[INFO] cloning repository https://github.com/nikhilm/threadtimes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikhilm/threadtimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilm%2Fthreadtimes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilm%2Fthreadtimes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 207511ff6d14b8d7a499d9089c320ef8b8a0f890 [INFO] checking nikhilm/threadtimes against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilm%2Fthreadtimes" "/workspace/builds/worker-49/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nikhilm/threadtimes on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nikhilm/threadtimes [INFO] finished tweaking git repo https://github.com/nikhilm/threadtimes [INFO] tweaked toml for git repo https://github.com/nikhilm/threadtimes written to /workspace/builds/worker-49/source/Cargo.toml [INFO] crate git repo https://github.com/nikhilm/threadtimes already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded term v0.5.1 [INFO] [stderr] Downloaded winapi-util v0.1.1 [INFO] [stderr] Downloaded simplelog v0.5.3 [INFO] [stderr] Downloaded pest_derive v1.0.8 [INFO] [stderr] Downloaded failure_derive v0.1.3 [INFO] [stderr] Downloaded pest v1.0.6 [INFO] [stderr] Downloaded criterion-plot v0.2.5 [INFO] [stderr] Downloaded criterion-stats v0.2.5 [INFO] [stderr] Downloaded cc v1.0.26 [INFO] [stderr] Downloaded rustc-demangle v0.1.11 [INFO] [stderr] Downloaded failure v0.1.3 [INFO] [stderr] Downloaded thread-scoped v1.0.2 [INFO] [stderr] Downloaded criterion v0.2.5 [INFO] [stderr] Downloaded rand v0.4.3 [INFO] [stderr] Downloaded serde v1.0.82 [INFO] [stderr] Downloaded backtrace-sys v0.1.26 [INFO] [stderr] Downloaded redox_syscall v0.1.44 [INFO] [stderr] Downloaded time v0.1.41 [INFO] [stderr] Downloaded itertools-num v0.1.3 [INFO] [stderr] Downloaded syn v0.15.23 [INFO] [stderr] Downloaded handlebars v0.32.4 [INFO] [stderr] Downloaded serde_derive v1.0.82 [INFO] [stderr] Downloaded csv v1.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9df24b535bf7e26c37cc185fbd506129e3ddd69c62509c6c4257fd0eb6e46084 [INFO] running `Command { std: "docker" "start" "-a" "9df24b535bf7e26c37cc185fbd506129e3ddd69c62509c6c4257fd0eb6e46084", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9df24b535bf7e26c37cc185fbd506129e3ddd69c62509c6c4257fd0eb6e46084", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9df24b535bf7e26c37cc185fbd506129e3ddd69c62509c6c4257fd0eb6e46084", kill_on_drop: false }` [INFO] [stdout] 9df24b535bf7e26c37cc185fbd506129e3ddd69c62509c6c4257fd0eb6e46084 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb10ecc697779b1b049657c0bfdc63d20aa555554f22aeba40499a3a8c4b8352 [INFO] running `Command { std: "docker" "start" "-a" "fb10ecc697779b1b049657c0bfdc63d20aa555554f22aeba40499a3a8c4b8352", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling cc v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.11 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking memchr v2.1.2 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling backtrace-sys v0.1.26 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Checking criterion-stats v0.2.5 [INFO] [stderr] Checking criterion-plot v0.2.5 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking csv v1.0.3 [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stderr] Compiling pest_derive v1.0.8 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking handlebars v0.32.4 [INFO] [stderr] Checking criterion v0.2.5 [INFO] [stderr] Checking threadtimes v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/lib_linux.rs (2 fixes) [INFO] [stdout] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(uniform_paths)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib_linux.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | file.read_to_string(&mut contents); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed src/lib_linux.rs (2 fixes) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating benches/benchmark.rs from 2018 edition to 2021 [INFO] [stdout] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(uniform_paths)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib_linux.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | file.read_to_string(&mut contents); [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/lib_linux.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | writeln!(devnull, "{}", (1..100000).sum::()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib_linux.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | writeln!(devnull, "{}", (1..100000).sum::()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed benches/benchmark.rs (2 fixes) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> benches/benchmark.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | writeln!(devnull, "{}", (1..100000).sum::()); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.83s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking threadtimes v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(uniform_paths)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(uniform_paths)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib_linux.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | file.read_to_string(&mut contents); [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/lib_linux.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | file.read_to_string(&mut contents); [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/lib_linux.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | writeln!(devnull, "{}", (1..100000).sum::()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib_linux.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | writeln!(devnull, "{}", (1..100000).sum::()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> benches/benchmark.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | writeln!(devnull, "{}", (1..100000).sum::()); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.39s [INFO] running `Command { std: "docker" "inspect" "fb10ecc697779b1b049657c0bfdc63d20aa555554f22aeba40499a3a8c4b8352", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb10ecc697779b1b049657c0bfdc63d20aa555554f22aeba40499a3a8c4b8352", kill_on_drop: false }` [INFO] [stdout] fb10ecc697779b1b049657c0bfdc63d20aa555554f22aeba40499a3a8c4b8352