[INFO] cloning repository https://github.com/dhiltonp/atomic-append-limits [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhiltonp/atomic-append-limits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhiltonp%2Fatomic-append-limits", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhiltonp%2Fatomic-append-limits'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2db92b816ffd1b5795806aca7aec744183080d1a [INFO] testing dhiltonp/atomic-append-limits 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%2Fdhiltonp%2Fatomic-append-limits" "/workspace/builds/worker-37/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dhiltonp/atomic-append-limits 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/dhiltonp/atomic-append-limits [INFO] finished tweaking git repo https://github.com/dhiltonp/atomic-append-limits [INFO] tweaked toml for git repo https://github.com/dhiltonp/atomic-append-limits written to /workspace/builds/worker-37/source/Cargo.toml [INFO] crate git repo https://github.com/dhiltonp/atomic-append-limits 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] a4058cdd783b85bf4d020c22a3e360c7fa7764ae0f8d89a9e3720fcbf1087861 [INFO] running `Command { std: "docker" "start" "-a" "a4058cdd783b85bf4d020c22a3e360c7fa7764ae0f8d89a9e3720fcbf1087861", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4058cdd783b85bf4d020c22a3e360c7fa7764ae0f8d89a9e3720fcbf1087861", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4058cdd783b85bf4d020c22a3e360c7fa7764ae0f8d89a9e3720fcbf1087861", kill_on_drop: false }` [INFO] [stdout] a4058cdd783b85bf4d020c22a3e360c7fa7764ae0f8d89a9e3720fcbf1087861 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 9941636b9129233fee9529d9a717afc8f4248aecf2f6bef50621171af9554f7c [INFO] running `Command { std: "docker" "start" "-a" "9941636b9129233fee9529d9a717afc8f4248aecf2f6bef50621171af9554f7c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling structopt v0.3.25 [INFO] [stderr] Compiling atomic_append_limits v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Path` [INFO] [stdout] --> src/main.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | for i in 0..args.times { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | / fs::OpenOptions::new() [INFO] [stdout] 66 | | .truncate(true) [INFO] [stdout] 67 | | .write(true) [INFO] [stdout] 68 | | .open(&args.file); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | child.wait(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 106 | stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.87s [INFO] running `Command { std: "docker" "inspect" "9941636b9129233fee9529d9a717afc8f4248aecf2f6bef50621171af9554f7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9941636b9129233fee9529d9a717afc8f4248aecf2f6bef50621171af9554f7c", kill_on_drop: false }` [INFO] [stdout] 9941636b9129233fee9529d9a717afc8f4248aecf2f6bef50621171af9554f7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] eb9fe67c030794636922f8ee04a6c6e3aaa4f4eacf1d73ef954bd04b7c3abc0c [INFO] running `Command { std: "docker" "start" "-a" "eb9fe67c030794636922f8ee04a6c6e3aaa4f4eacf1d73ef954bd04b7c3abc0c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling atomic_append_limits v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Path` [INFO] [stdout] --> src/main.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | for i in 0..args.times { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | / fs::OpenOptions::new() [INFO] [stdout] 66 | | .truncate(true) [INFO] [stdout] 67 | | .write(true) [INFO] [stdout] 68 | | .open(&args.file); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | child.wait(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 106 | stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 9.34s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/atomic_append_limits-0a10b99bfae235b7) [INFO] running `Command { std: "docker" "inspect" "eb9fe67c030794636922f8ee04a6c6e3aaa4f4eacf1d73ef954bd04b7c3abc0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb9fe67c030794636922f8ee04a6c6e3aaa4f4eacf1d73ef954bd04b7c3abc0c", kill_on_drop: false }` [INFO] [stdout] eb9fe67c030794636922f8ee04a6c6e3aaa4f4eacf1d73ef954bd04b7c3abc0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 0430d739f53d791eb3f77e45471caf834c021ece16f6d640d9a132235c148e91 [INFO] running `Command { std: "docker" "start" "-a" "0430d739f53d791eb3f77e45471caf834c021ece16f6d640d9a132235c148e91", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Path` [INFO] [stderr] --> src/main.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:98:13 [INFO] [stderr] | [INFO] [stderr] 98 | for i in 0..args.times { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | / fs::OpenOptions::new() [INFO] [stderr] 66 | | .truncate(true) [INFO] [stderr] 67 | | .write(true) [INFO] [stderr] 68 | | .open(&args.file); [INFO] [stderr] | |__________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 83 | child.wait(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:106:5 [INFO] [stderr] | [INFO] [stderr] 106 | stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `atomic_append_limits` (bin "atomic_append_limits" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/atomic_append_limits-0a10b99bfae235b7) [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" "0430d739f53d791eb3f77e45471caf834c021ece16f6d640d9a132235c148e91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0430d739f53d791eb3f77e45471caf834c021ece16f6d640d9a132235c148e91", kill_on_drop: false }` [INFO] [stdout] 0430d739f53d791eb3f77e45471caf834c021ece16f6d640d9a132235c148e91