[INFO] cloning repository https://github.com/hyone/rust-wc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hyone/rust-wc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyone%2Frust-wc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyone%2Frust-wc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 93502b4b37386a1b8c1770bb90ab98a60d641b48 [INFO] testing hyone/rust-wc against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyone%2Frust-wc" "/workspace/builds/worker-77/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hyone/rust-wc on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hyone/rust-wc [INFO] finished tweaking git repo https://github.com/hyone/rust-wc [INFO] tweaked toml for git repo https://github.com/hyone/rust-wc written to /workspace/builds/worker-77/source/Cargo.toml [INFO] crate git repo https://github.com/hyone/rust-wc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 652aa0d4074cec0c80b395e9f81c65617ad97ca1c2cda39cd85a2bc25c35bc2b [INFO] running `Command { std: "docker" "start" "-a" "652aa0d4074cec0c80b395e9f81c65617ad97ca1c2cda39cd85a2bc25c35bc2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "652aa0d4074cec0c80b395e9f81c65617ad97ca1c2cda39cd85a2bc25c35bc2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "652aa0d4074cec0c80b395e9f81c65617ad97ca1c2cda39cd85a2bc25c35bc2b", kill_on_drop: false }` [INFO] [stdout] 652aa0d4074cec0c80b395e9f81c65617ad97ca1c2cda39cd85a2bc25c35bc2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13af5319bea98e86a4290dbdf49fee9dd6550a10b999db1e79c084bcd36cdde3 [INFO] running `Command { std: "docker" "start" "-a" "13af5319bea98e86a4290dbdf49fee9dd6550a10b999db1e79c084bcd36cdde3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling libc v0.2.26 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling lazy_static v0.2.1 [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling serde v1.0.10 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling bytecount v0.1.7 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Compiling serde_derive v1.0.10 [INFO] [stderr] Compiling docopt v0.8.1 [INFO] [stderr] Compiling wc v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:4:44 [INFO] [stdout] | [INFO] [stdout] 4 | pub type Result = result::Result>; [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 - pub type Result = result::Result>; [INFO] [stdout] 4 + pub type Result = result::Result>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:43:44 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn results_ok<'a>(&'a self) -> Box + 'a> { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 - pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] 43 + pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:47:38 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter<'a>(&'a self) -> Box> + 'a> { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 47 - pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stdout] 47 + pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:4:44 [INFO] [stdout] | [INFO] [stdout] 4 | pub type Result = result::Result>; [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 - pub type Result = result::Result>; [INFO] [stdout] 4 + pub type Result = result::Result>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:43:44 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn results_ok<'a>(&'a self) -> Box + 'a> { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 - pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] 43 + pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:47:38 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter<'a>(&'a self) -> Box> + 'a> { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 47 - pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stdout] 47 + pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.71s [INFO] running `Command { std: "docker" "inspect" "13af5319bea98e86a4290dbdf49fee9dd6550a10b999db1e79c084bcd36cdde3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13af5319bea98e86a4290dbdf49fee9dd6550a10b999db1e79c084bcd36cdde3", kill_on_drop: false }` [INFO] [stdout] 13af5319bea98e86a4290dbdf49fee9dd6550a10b999db1e79c084bcd36cdde3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b9a52d06c17a6e522442c2b5ceb5c0bf7188e06d247931f78d3ce0c2eebd9c7 [INFO] running `Command { std: "docker" "start" "-a" "3b9a52d06c17a6e522442c2b5ceb5c0bf7188e06d247931f78d3ce0c2eebd9c7", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:4:44 [INFO] [stdout] | [INFO] [stdout] 4 | pub type Result = result::Result>; [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 - pub type Result = result::Result>; [INFO] [stdout] 4 + pub type Result = result::Result>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:43:44 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn results_ok<'a>(&'a self) -> Box + 'a> { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 - pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] 43 + pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:47:38 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter<'a>(&'a self) -> Box> + 'a> { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 47 - pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stdout] 47 + pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling wc v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:4:44 [INFO] [stdout] | [INFO] [stdout] 4 | pub type Result = result::Result>; [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 - pub type Result = result::Result>; [INFO] [stdout] 4 + pub type Result = result::Result>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:43:44 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn results_ok<'a>(&'a self) -> Box + 'a> { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 - pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] 43 + pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:47:38 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter<'a>(&'a self) -> Box> + 'a> { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 47 - pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stdout] 47 + pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:73:36 [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&StdError> { None } [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 73 - fn cause(&self) -> Option<&StdError> { None } [INFO] [stdout] 73 + fn cause(&self) -> Option<&dyn StdError> { None } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:4:44 [INFO] [stdout] | [INFO] [stdout] 4 | pub type Result = result::Result>; [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 - pub type Result = result::Result>; [INFO] [stdout] 4 + pub type Result = result::Result>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:43:44 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn results_ok<'a>(&'a self) -> Box + 'a> { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 - pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] 43 + pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:47:38 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter<'a>(&'a self) -> Box> + 'a> { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 47 - pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stdout] 47 + pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/report.rs:73:36 [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&StdError> { None } [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 73 - fn cause(&self) -> Option<&StdError> { None } [INFO] [stdout] 73 + fn cause(&self) -> Option<&dyn StdError> { None } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.11s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/wc-25965f94e02d1e70) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_wc-61e53899f0a2eadb) [INFO] running `Command { std: "docker" "inspect" "3b9a52d06c17a6e522442c2b5ceb5c0bf7188e06d247931f78d3ce0c2eebd9c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b9a52d06c17a6e522442c2b5ceb5c0bf7188e06d247931f78d3ce0c2eebd9c7", kill_on_drop: false }` [INFO] [stdout] 3b9a52d06c17a6e522442c2b5ceb5c0bf7188e06d247931f78d3ce0c2eebd9c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f808bc50579bd42a7554c880510d6b12b1c228935668978df424579b4cc99689 [INFO] running `Command { std: "docker" "start" "-a" "f808bc50579bd42a7554c880510d6b12b1c228935668978df424579b4cc99689", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/result.rs:4:44 [INFO] [stderr] | [INFO] [stderr] 4 | pub type Result = result::Result>; [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 4 - pub type Result = result::Result>; [INFO] [stderr] 4 + pub type Result = result::Result>; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/report.rs:43:44 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn results_ok<'a>(&'a self) -> Box + 'a> { [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 43 - pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stderr] 43 + pub fn results_ok<'a>(&'a self) -> Box + 'a> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/report.rs:47:38 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn iter<'a>(&'a self) -> Box> + 'a> { [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 47 - pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stderr] 47 + pub fn iter<'a>(&'a self) -> Box> + 'a> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/report.rs:73:36 [INFO] [stderr] | [INFO] [stderr] 73 | fn cause(&self) -> Option<&StdError> { None } [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 73 - fn cause(&self) -> Option<&StdError> { None } [INFO] [stderr] 73 + fn cause(&self) -> Option<&dyn StdError> { None } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `wc` (lib) generated 3 warnings [INFO] [stderr] warning: `wc` (lib test) generated 4 warnings (3 duplicates) [INFO] [stderr] warning: `wc` (bin "rust-wc" test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.69s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wc-25965f94e02d1e70) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test count::tests::test_count_bytes ... ok [INFO] [stdout] test count::tests::test_max_field_width ... ok [INFO] [stdout] test count::tests::test_count_chars ... ok [INFO] [stdout] test report::tests::test_reports_has_error ... ok [INFO] [stdout] test report::tests::test_field_width ... ok [INFO] [stdout] test count::tests::test_count_lines ... ok [INFO] [stdout] test count::tests::test_count_words ... ok [INFO] [stdout] test report::tests::test_results_ok ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_wc-61e53899f0a2eadb) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test count::tests::test_count_lines ... ok [INFO] [stdout] test count::tests::test_max_field_width ... ok [INFO] [stdout] test count::tests::test_count_words ... ok [INFO] [stdout] test count::tests::test_count_chars ... ok [INFO] [stdout] test report::tests::test_field_width ... ok [INFO] [stdout] test report::tests::test_reports_has_error ... ok [INFO] [stdout] test report::tests::test_results_ok ... ok [INFO] [stdout] test count::tests::test_count_bytes ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests wc [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f808bc50579bd42a7554c880510d6b12b1c228935668978df424579b4cc99689", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f808bc50579bd42a7554c880510d6b12b1c228935668978df424579b4cc99689", kill_on_drop: false }` [INFO] [stdout] f808bc50579bd42a7554c880510d6b12b1c228935668978df424579b4cc99689