[INFO] cloning repository https://github.com/DanWatkins/dbfc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanWatkins/dbfc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanWatkins%2Fdbfc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanWatkins%2Fdbfc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] efa8b0ea6dc19d0251c05642e03989a6995a495a [INFO] checking DanWatkins/dbfc against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanWatkins%2Fdbfc" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DanWatkins/dbfc on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DanWatkins/dbfc [INFO] finished tweaking git repo https://github.com/DanWatkins/dbfc [INFO] tweaked toml for git repo https://github.com/DanWatkins/dbfc written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/DanWatkins/dbfc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded typenum v1.9.0 [INFO] [stderr] Downloaded serde_derive_internals v0.16.0 [INFO] [stderr] Downloaded serde_json v1.0.3 [INFO] [stderr] Downloaded textwrap v0.8.0 [INFO] [stderr] Downloaded clap v2.26.2 [INFO] [stderr] Downloaded serde v1.0.15 [INFO] [stderr] Downloaded odds v0.2.25 [INFO] [stderr] Downloaded nodrop v0.1.9 [INFO] [stderr] Downloaded serde_derive v1.0.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", 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] b20732ce0f15e72716ca03f19e243cbf1f99ea1146b149230425d24f6704f819 [INFO] running `Command { std: "docker" "start" "-a" "b20732ce0f15e72716ca03f19e243cbf1f99ea1146b149230425d24f6704f819", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b20732ce0f15e72716ca03f19e243cbf1f99ea1146b149230425d24f6704f819", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b20732ce0f15e72716ca03f19e243cbf1f99ea1146b149230425d24f6704f819", kill_on_drop: false }` [INFO] [stdout] b20732ce0f15e72716ca03f19e243cbf1f99ea1146b149230425d24f6704f819 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3731b4a11ba56006640d40badff30549257dabc28ee1adc366dcd17617e26b63 [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" "3731b4a11ba56006640d40badff30549257dabc28ee1adc366dcd17617e26b63", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.9.0 [INFO] [stderr] Checking odds v0.2.25 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking libc v0.2.31 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking serde v1.0.15 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking nodrop v0.1.9 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking textwrap v0.8.0 [INFO] [stderr] Checking clap v2.26.2 [INFO] [stderr] Compiling serde_derive_internals v0.16.0 [INFO] [stderr] Checking generic-array v0.8.3 [INFO] [stderr] Checking digest v0.6.2 [INFO] [stderr] Checking block-buffer v0.2.0 [INFO] [stderr] Checking serde_json v1.0.3 [INFO] [stderr] Checking sha2 v0.6.0 [INFO] [stderr] Compiling serde_derive v1.0.15 [INFO] [stderr] Checking dbfc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:95:46 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn init(&mut self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:140:50 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn save_to_file(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:150:74 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn load_from_file(dir: &str, name: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:286:47 [INFO] [stdout] | [INFO] [stdout] 286 | fn visit_dirs(&self, dir: &Path, cb: &mut FnMut(&DirEntry)) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&DirEntry)` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:286:83 [INFO] [stdout] | [INFO] [stdout] 286 | fn visit_dirs(&self, dir: &Path, cb: &mut FnMut(&DirEntry)) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:302:60 [INFO] [stdout] | [INFO] [stdout] 302 | fn write_log_text(&self, text: &str) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:107:58 [INFO] [stdout] | [INFO] [stdout] 107 | fn run(arg_matches: &clap::ArgMatches) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:95:46 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn init(&mut self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:140:50 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn save_to_file(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:150:74 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn load_from_file(dir: &str, name: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:286:47 [INFO] [stdout] | [INFO] [stdout] 286 | fn visit_dirs(&self, dir: &Path, cb: &mut FnMut(&DirEntry)) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&DirEntry)` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:286:83 [INFO] [stdout] | [INFO] [stdout] 286 | fn visit_dirs(&self, dir: &Path, cb: &mut FnMut(&DirEntry)) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/batch_job.rs:302:60 [INFO] [stdout] | [INFO] [stdout] 302 | fn write_log_text(&self, text: &str) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:107:58 [INFO] [stdout] | [INFO] [stdout] 107 | fn run(arg_matches: &clap::ArgMatches) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/batch_job.rs:190:21 [INFO] [stdout] | [INFO] [stdout] 190 | self.write_log_text(&why); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/batch_job.rs:190:21 [INFO] [stdout] | [INFO] [stdout] 190 | self.write_log_text(&why); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.44s [INFO] running `Command { std: "docker" "inspect" "3731b4a11ba56006640d40badff30549257dabc28ee1adc366dcd17617e26b63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3731b4a11ba56006640d40badff30549257dabc28ee1adc366dcd17617e26b63", kill_on_drop: false }` [INFO] [stdout] 3731b4a11ba56006640d40badff30549257dabc28ee1adc366dcd17617e26b63