[INFO] fetching crate chord 0.8.1... [INFO] testing chord-0.8.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate chord 0.8.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate chord 0.8.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate chord 0.8.1 [INFO] finished tweaking crates.io crate chord 0.8.1 [INFO] tweaked toml for crates.io crate chord 0.8.1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate chord 0.8.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d59e4e66a8931896ecceacc53d1154df97f7172751e085b035e53c684dd30999 [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" "d59e4e66a8931896ecceacc53d1154df97f7172751e085b035e53c684dd30999", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d59e4e66a8931896ecceacc53d1154df97f7172751e085b035e53c684dd30999", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d59e4e66a8931896ecceacc53d1154df97f7172751e085b035e53c684dd30999", kill_on_drop: false }` [INFO] [stdout] d59e4e66a8931896ecceacc53d1154df97f7172751e085b035e53c684dd30999 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 07e3cc51631737c14a09f10c292e004b9f1e9cfd47e864ebcbbbe84987c351fc [INFO] running `Command { std: "docker" "start" "-a" "07e3cc51631737c14a09f10c292e004b9f1e9cfd47e864ebcbbbe84987c351fc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling chunked_transfer v1.2.0 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling qstring v0.7.2 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling webpki v0.21.3 [INFO] [stderr] Compiling sct v0.6.0 [INFO] [stderr] Compiling webpki-roots v0.18.0 [INFO] [stderr] Compiling rustls v0.16.0 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling ureq v0.11.4 [INFO] [stderr] Compiling chord v0.8.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Chord` [INFO] [stdout] --> src/main.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use lib::{Chord, Plot}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::prelude::*; [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 22.86s [INFO] running `Command { std: "docker" "inspect" "07e3cc51631737c14a09f10c292e004b9f1e9cfd47e864ebcbbbe84987c351fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07e3cc51631737c14a09f10c292e004b9f1e9cfd47e864ebcbbbe84987c351fc", kill_on_drop: false }` [INFO] [stdout] 07e3cc51631737c14a09f10c292e004b9f1e9cfd47e864ebcbbbe84987c351fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7e10dd252687ac84ba4521dde37412abe378e8539f3afb0b05b7779fc1513ae [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" "a7e10dd252687ac84ba4521dde37412abe378e8539f3afb0b05b7779fc1513ae", kill_on_drop: false }` [INFO] [stderr] Compiling chord v0.8.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Chord` [INFO] [stdout] --> src/main.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use lib::{Chord, Plot}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "a7e10dd252687ac84ba4521dde37412abe378e8539f3afb0b05b7779fc1513ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7e10dd252687ac84ba4521dde37412abe378e8539f3afb0b05b7779fc1513ae", kill_on_drop: false }` [INFO] [stdout] a7e10dd252687ac84ba4521dde37412abe378e8539f3afb0b05b7779fc1513ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0e724636f381e667c9b980e00e0bd030a4477a6d1e9fb40d8901c8a93eae5ff7 [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" "0e724636f381e667c9b980e00e0bd030a4477a6d1e9fb40d8901c8a93eae5ff7", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Chord` [INFO] [stderr] --> src/main.rs:2:11 [INFO] [stderr] | [INFO] [stderr] 2 | use lib::{Chord, Plot}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/chord-10b75530bc6d95f3) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/chord-e00d9a9adc3cfb69) [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] [stderr] Doc-tests chord [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" "0e724636f381e667c9b980e00e0bd030a4477a6d1e9fb40d8901c8a93eae5ff7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e724636f381e667c9b980e00e0bd030a4477a6d1e9fb40d8901c8a93eae5ff7", kill_on_drop: false }` [INFO] [stdout] 0e724636f381e667c9b980e00e0bd030a4477a6d1e9fb40d8901c8a93eae5ff7