[INFO] fetching crate chord 0.8.1... [INFO] testing chord-0.8.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate chord 0.8.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate chord 0.8.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-6/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc28235cc4a51f337ba51dd6ffc649c1c295b15e090035649e680e1a0f621230 [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" "fc28235cc4a51f337ba51dd6ffc649c1c295b15e090035649e680e1a0f621230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc28235cc4a51f337ba51dd6ffc649c1c295b15e090035649e680e1a0f621230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc28235cc4a51f337ba51dd6ffc649c1c295b15e090035649e680e1a0f621230", kill_on_drop: false }` [INFO] [stdout] fc28235cc4a51f337ba51dd6ffc649c1c295b15e090035649e680e1a0f621230 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] fb4e6f60d581b9ec2c0093d9da0471a021212a7f4f49b56b66f49dbae954a4cd [INFO] running `Command { std: "docker" "start" "-a" "fb4e6f60d581b9ec2c0093d9da0471a021212a7f4f49b56b66f49dbae954a4cd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling chunked_transfer v1.2.0 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling ring v0.16.15 [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 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 25.86s [INFO] running `Command { std: "docker" "inspect" "fb4e6f60d581b9ec2c0093d9da0471a021212a7f4f49b56b66f49dbae954a4cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb4e6f60d581b9ec2c0093d9da0471a021212a7f4f49b56b66f49dbae954a4cd", kill_on_drop: false }` [INFO] [stdout] fb4e6f60d581b9ec2c0093d9da0471a021212a7f4f49b56b66f49dbae954a4cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] 4be6be374131c845a5ba7927e84fb79c28ace81ba8e97641c523a27156f9c268 [INFO] running `Command { std: "docker" "start" "-a" "4be6be374131c845a5ba7927e84fb79c28ace81ba8e97641c523a27156f9c268", 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 0.85s [INFO] running `Command { std: "docker" "inspect" "4be6be374131c845a5ba7927e84fb79c28ace81ba8e97641c523a27156f9c268", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4be6be374131c845a5ba7927e84fb79c28ace81ba8e97641c523a27156f9c268", kill_on_drop: false }` [INFO] [stdout] 4be6be374131c845a5ba7927e84fb79c28ace81ba8e97641c523a27156f9c268 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fae7664c676092e29e3436405b623830d32ec19be95ace55b6ea29c8c0ef4484 [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" "fae7664c676092e29e3436405b623830d32ec19be95ace55b6ea29c8c0ef4484", 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: `chord` (bin "chord" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/chord-852a4b9d211d3050) [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-03e0082db1a588a9) [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" "fae7664c676092e29e3436405b623830d32ec19be95ace55b6ea29c8c0ef4484", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fae7664c676092e29e3436405b623830d32ec19be95ace55b6ea29c8c0ef4484", kill_on_drop: false }` [INFO] [stdout] fae7664c676092e29e3436405b623830d32ec19be95ace55b6ea29c8c0ef4484