[INFO] cloning repository https://github.com/woodgear/judgement
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodgear/judgement" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fjudgement", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fjudgement'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a902cdaf458f2902793ff246b964c9bc390d4ddb
[INFO] testing woodgear/judgement against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fjudgement" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woodgear/judgement on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/woodgear/judgement
[INFO] finished tweaking git repo https://github.com/woodgear/judgement
[INFO] tweaked toml for git repo https://github.com/woodgear/judgement written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/woodgear/judgement already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf9aa9796912129ff0c6fb7d6990e318450d5c8852888cf549fed4097ef03c73
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf9aa9796912129ff0c6fb7d6990e318450d5c8852888cf549fed4097ef03c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf9aa9796912129ff0c6fb7d6990e318450d5c8852888cf549fed4097ef03c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9aa9796912129ff0c6fb7d6990e318450d5c8852888cf549fed4097ef03c73", kill_on_drop: false }`
[INFO] [stdout] bf9aa9796912129ff0c6fb7d6990e318450d5c8852888cf549fed4097ef03c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8c22f7839ae1a5739a1712716c884bc2486b4e1cfce55618b15bb79ac3cd235
[INFO] running `Command { std: "docker" "start" "-a" "e8c22f7839ae1a5739a1712716c884bc2486b4e1cfce55618b15bb79ac3cd235", kill_on_drop: false }`
[INFO] [stderr]    Compiling subprocess v0.1.12
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling derive-new v0.5.4
[INFO] [stderr]    Compiling judgement v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/judegment.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     examiner: Option<Box<Score>>,
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     examiner: Option<Box<Score>>,
[INFO] [stdout] 20 +     examiner: Option<Box<dyn Score>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/judegment.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     examinee: Option<Box<Examination>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     examinee: Option<Box<Examination>>,
[INFO] [stdout] 21 +     examinee: Option<Box<dyn Examination>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:217:16
[INFO] [stdout]     |
[INFO] [stdout] 217 |     examiner: Box<Score>,
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 -     examiner: Box<Score>,
[INFO] [stdout] 217 +     examiner: Box<dyn Score>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:218:16
[INFO] [stdout]     |
[INFO] [stdout] 218 |     examinee: Box<Examination>,
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 218 -     examinee: Box<Examination>,
[INFO] [stdout] 218 +     examinee: Box<dyn Examination>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:233:26
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn score(&self, e: &Box<Examination>) -> Result<(), String>;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 233 -     fn score(&self, e: &Box<Examination>) -> Result<(), String>;
[INFO] [stdout] 233 +     fn score(&self, e: &Box<dyn Examination>) -> Result<(), String>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:168:71
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn find_examiner(&self, path: &PathBuf, name: &String) -> Option<Box<Score>> {
[INFO] [stdout]     |                                                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 -     fn find_examiner(&self, path: &PathBuf, name: &String) -> Option<Box<Score>> {
[INFO] [stdout] 168 +     fn find_examiner(&self, path: &PathBuf, name: &String) -> Option<Box<dyn Score>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:192:71
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn find_examinee(&self, path: &PathBuf, name: &String) -> Option<Box<Examination>> {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 192 -     fn find_examinee(&self, path: &PathBuf, name: &String) -> Option<Box<Examination>> {
[INFO] [stdout] 192 +     fn find_examinee(&self, path: &PathBuf, name: &String) -> Option<Box<dyn Examination>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:267:26
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 267 -     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stdout] 267 +     fn score(&self, e: &Box<dyn Examination>) -> Result<(), String> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:278:26
[INFO] [stdout]     |
[INFO] [stdout] 278 |     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 278 -     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stdout] 278 +     fn score(&self, e: &Box<dyn Examination>) -> Result<(), String> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:178:30
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let mut examiners: Vec<Box<Score>> = paths
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 178 -         let mut examiners: Vec<Box<Score>> = paths
[INFO] [stdout] 178 +         let mut examiners: Vec<Box<dyn Score>> = paths
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:182:67
[INFO] [stdout]     |
[INFO] [stdout] 182 |                     Some(Some("oa")) => Some(Box::new(OAExaminer::new(p)) as Box<Score>),
[INFO] [stdout]     |                                                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 182 -                     Some(Some("oa")) => Some(Box::new(OAExaminer::new(p)) as Box<Score>),
[INFO] [stdout] 182 +                     Some(Some("oa")) => Some(Box::new(OAExaminer::new(p)) as Box<dyn Score>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:183:67
[INFO] [stdout]     |
[INFO] [stdout] 183 |                     Some(Some("qa")) => Some(Box::new(QAExaminer::new(p)) as Box<Score>),
[INFO] [stdout]     |                                                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 183 -                     Some(Some("qa")) => Some(Box::new(QAExaminer::new(p)) as Box<Score>),
[INFO] [stdout] 183 +                     Some(Some("qa")) => Some(Box::new(QAExaminer::new(p)) as Box<dyn Score>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:201:30
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let mut examinees: Vec<Box<Examination>> = paths
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 201 -         let mut examinees: Vec<Box<Examination>> = paths
[INFO] [stdout] 201 +         let mut examinees: Vec<Box<dyn Examination>> = paths
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:205:64
[INFO] [stdout]     |
[INFO] [stdout] 205 |                     Some("sh") => Some(Box::new(ShellExaminee::new(p)) as Box<Examination>),
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 205 -                     Some("sh") => Some(Box::new(ShellExaminee::new(p)) as Box<Examination>),
[INFO] [stdout] 205 +                     Some("sh") => Some(Box::new(ShellExaminee::new(p)) as Box<dyn Examination>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.44s
[INFO] running `Command { std: "docker" "inspect" "e8c22f7839ae1a5739a1712716c884bc2486b4e1cfce55618b15bb79ac3cd235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c22f7839ae1a5739a1712716c884bc2486b4e1cfce55618b15bb79ac3cd235", kill_on_drop: false }`
[INFO] [stdout] e8c22f7839ae1a5739a1712716c884bc2486b4e1cfce55618b15bb79ac3cd235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f0eaf02c7c700d27c3634d723ad07f05713559bb0271bf9f3ebf915625a6507
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f0eaf02c7c700d27c3634d723ad07f05713559bb0271bf9f3ebf915625a6507", kill_on_drop: false }`
[INFO] [stderr]    Compiling judgement v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/judegment.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     examiner: Option<Box<Score>>,
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     examiner: Option<Box<Score>>,
[INFO] [stdout] 20 +     examiner: Option<Box<dyn Score>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/judegment.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     examinee: Option<Box<Examination>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     examinee: Option<Box<Examination>>,
[INFO] [stdout] 21 +     examinee: Option<Box<dyn Examination>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:217:16
[INFO] [stdout]     |
[INFO] [stdout] 217 |     examiner: Box<Score>,
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 -     examiner: Box<Score>,
[INFO] [stdout] 217 +     examiner: Box<dyn Score>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:218:16
[INFO] [stdout]     |
[INFO] [stdout] 218 |     examinee: Box<Examination>,
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 218 -     examinee: Box<Examination>,
[INFO] [stdout] 218 +     examinee: Box<dyn Examination>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:233:26
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn score(&self, e: &Box<Examination>) -> Result<(), String>;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 233 -     fn score(&self, e: &Box<Examination>) -> Result<(), String>;
[INFO] [stdout] 233 +     fn score(&self, e: &Box<dyn Examination>) -> Result<(), String>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:168:71
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn find_examiner(&self, path: &PathBuf, name: &String) -> Option<Box<Score>> {
[INFO] [stdout]     |                                                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 -     fn find_examiner(&self, path: &PathBuf, name: &String) -> Option<Box<Score>> {
[INFO] [stdout] 168 +     fn find_examiner(&self, path: &PathBuf, name: &String) -> Option<Box<dyn Score>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:192:71
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn find_examinee(&self, path: &PathBuf, name: &String) -> Option<Box<Examination>> {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 192 -     fn find_examinee(&self, path: &PathBuf, name: &String) -> Option<Box<Examination>> {
[INFO] [stdout] 192 +     fn find_examinee(&self, path: &PathBuf, name: &String) -> Option<Box<dyn Examination>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:267:26
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 267 -     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stdout] 267 +     fn score(&self, e: &Box<dyn Examination>) -> Result<(), String> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:278:26
[INFO] [stdout]     |
[INFO] [stdout] 278 |     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 278 -     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stdout] 278 +     fn score(&self, e: &Box<dyn Examination>) -> Result<(), String> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:178:30
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let mut examiners: Vec<Box<Score>> = paths
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 178 -         let mut examiners: Vec<Box<Score>> = paths
[INFO] [stdout] 178 +         let mut examiners: Vec<Box<dyn Score>> = paths
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:182:67
[INFO] [stdout]     |
[INFO] [stdout] 182 |                     Some(Some("oa")) => Some(Box::new(OAExaminer::new(p)) as Box<Score>),
[INFO] [stdout]     |                                                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 182 -                     Some(Some("oa")) => Some(Box::new(OAExaminer::new(p)) as Box<Score>),
[INFO] [stdout] 182 +                     Some(Some("oa")) => Some(Box::new(OAExaminer::new(p)) as Box<dyn Score>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:183:67
[INFO] [stdout]     |
[INFO] [stdout] 183 |                     Some(Some("qa")) => Some(Box::new(QAExaminer::new(p)) as Box<Score>),
[INFO] [stdout]     |                                                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 183 -                     Some(Some("qa")) => Some(Box::new(QAExaminer::new(p)) as Box<Score>),
[INFO] [stdout] 183 +                     Some(Some("qa")) => Some(Box::new(QAExaminer::new(p)) as Box<dyn Score>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:201:30
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let mut examinees: Vec<Box<Examination>> = paths
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 201 -         let mut examinees: Vec<Box<Examination>> = paths
[INFO] [stdout] 201 +         let mut examinees: Vec<Box<dyn Examination>> = paths
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/judegment.rs:205:64
[INFO] [stdout]     |
[INFO] [stdout] 205 |                     Some("sh") => Some(Box::new(ShellExaminee::new(p)) as Box<Examination>),
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 205 -                     Some("sh") => Some(Box::new(ShellExaminee::new(p)) as Box<Examination>),
[INFO] [stdout] 205 +                     Some("sh") => Some(Box::new(ShellExaminee::new(p)) as Box<dyn Examination>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "5f0eaf02c7c700d27c3634d723ad07f05713559bb0271bf9f3ebf915625a6507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f0eaf02c7c700d27c3634d723ad07f05713559bb0271bf9f3ebf915625a6507", kill_on_drop: false }`
[INFO] [stdout] 5f0eaf02c7c700d27c3634d723ad07f05713559bb0271bf9f3ebf915625a6507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 73f54dd710d4dab7f1268116937df64f174a2e82db2ec33dcd4645d9077d25fc
[INFO] running `Command { std: "docker" "start" "-a" "73f54dd710d4dab7f1268116937df64f174a2e82db2ec33dcd4645d9077d25fc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> src/judegment.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |     examiner: Option<Box<Score>>,
[INFO] [stderr]    |                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 20 -     examiner: Option<Box<Score>>,
[INFO] [stderr] 20 +     examiner: Option<Box<dyn Score>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/judegment.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |     examinee: Option<Box<Examination>>,
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 -     examinee: Option<Box<Examination>>,
[INFO] [stderr] 21 +     examinee: Option<Box<dyn Examination>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:217:16
[INFO] [stderr]     |
[INFO] [stderr] 217 |     examiner: Box<Score>,
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 217 -     examiner: Box<Score>,
[INFO] [stderr] 217 +     examiner: Box<dyn Score>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:218:16
[INFO] [stderr]     |
[INFO] [stderr] 218 |     examinee: Box<Examination>,
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 218 -     examinee: Box<Examination>,
[INFO] [stderr] 218 +     examinee: Box<dyn Examination>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:233:26
[INFO] [stderr]     |
[INFO] [stderr] 233 |     fn score(&self, e: &Box<Examination>) -> Result<(), String>;
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 233 -     fn score(&self, e: &Box<Examination>) -> Result<(), String>;
[INFO] [stderr] 233 +     fn score(&self, e: &Box<dyn Examination>) -> Result<(), String>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:168:71
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn find_examiner(&self, path: &PathBuf, name: &String) -> Option<Box<Score>> {
[INFO] [stderr]     |                                                                          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 168 -     fn find_examiner(&self, path: &PathBuf, name: &String) -> Option<Box<Score>> {
[INFO] [stderr] 168 +     fn find_examiner(&self, path: &PathBuf, name: &String) -> Option<Box<dyn Score>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:192:71
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn find_examinee(&self, path: &PathBuf, name: &String) -> Option<Box<Examination>> {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 192 -     fn find_examinee(&self, path: &PathBuf, name: &String) -> Option<Box<Examination>> {
[INFO] [stderr] 192 +     fn find_examinee(&self, path: &PathBuf, name: &String) -> Option<Box<dyn Examination>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:267:26
[INFO] [stderr]     |
[INFO] [stderr] 267 |     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 267 -     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stderr] 267 +     fn score(&self, e: &Box<dyn Examination>) -> Result<(), String> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:278:26
[INFO] [stderr]     |
[INFO] [stderr] 278 |     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 278 -     fn score(&self, e: &Box<Examination>) -> Result<(), String> {
[INFO] [stderr] 278 +     fn score(&self, e: &Box<dyn Examination>) -> Result<(), String> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:178:30
[INFO] [stderr]     |
[INFO] [stderr] 178 |         let mut examiners: Vec<Box<Score>> = paths
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 178 -         let mut examiners: Vec<Box<Score>> = paths
[INFO] [stderr] 178 +         let mut examiners: Vec<Box<dyn Score>> = paths
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:182:67
[INFO] [stderr]     |
[INFO] [stderr] 182 |                     Some(Some("oa")) => Some(Box::new(OAExaminer::new(p)) as Box<Score>),
[INFO] [stderr]     |                                                                                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 182 -                     Some(Some("oa")) => Some(Box::new(OAExaminer::new(p)) as Box<Score>),
[INFO] [stderr] 182 +                     Some(Some("oa")) => Some(Box::new(OAExaminer::new(p)) as Box<dyn Score>),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:183:67
[INFO] [stderr]     |
[INFO] [stderr] 183 |                     Some(Some("qa")) => Some(Box::new(QAExaminer::new(p)) as Box<Score>),
[INFO] [stderr]     |                                                                                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 183 -                     Some(Some("qa")) => Some(Box::new(QAExaminer::new(p)) as Box<Score>),
[INFO] [stderr] 183 +                     Some(Some("qa")) => Some(Box::new(QAExaminer::new(p)) as Box<dyn Score>),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:201:30
[INFO] [stderr]     |
[INFO] [stderr] 201 |         let mut examinees: Vec<Box<Examination>> = paths
[INFO] [stderr]     |                                    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 201 -         let mut examinees: Vec<Box<Examination>> = paths
[INFO] [stderr] 201 +         let mut examinees: Vec<Box<dyn Examination>> = paths
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/judegment.rs:205:64
[INFO] [stderr]     |
[INFO] [stderr] 205 |                     Some("sh") => Some(Box::new(ShellExaminee::new(p)) as Box<Examination>),
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 205 -                     Some("sh") => Some(Box::new(ShellExaminee::new(p)) as Box<Examination>),
[INFO] [stderr] 205 +                     Some("sh") => Some(Box::new(ShellExaminee::new(p)) as Box<dyn Examination>),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `judgement` (bin "judgement" test) generated 14 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/judgement-cf82093c3d6cbfb0)
[INFO] [stdout] test judegment::tests::test_find_examiner ... ok
[INFO] [stdout] test judegment::tests::test_judgement ... ok
[INFO] [stdout] test judegment::tests::test_get_all_handle ... ok
[INFO] [stdout] test tests::test_find_answer_dir ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73f54dd710d4dab7f1268116937df64f174a2e82db2ec33dcd4645d9077d25fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f54dd710d4dab7f1268116937df64f174a2e82db2ec33dcd4645d9077d25fc", kill_on_drop: false }`
[INFO] [stdout] 73f54dd710d4dab7f1268116937df64f174a2e82db2ec33dcd4645d9077d25fc