[INFO] cloning repository https://github.com/Joald/coelho
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Joald/coelho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoald%2Fcoelho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoald%2Fcoelho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34b4ec67c58f396cadceb42f4c3ceb87eb83f9c0
[INFO] testing Joald/coelho against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoald%2Fcoelho" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Joald/coelho 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 git repo https://github.com/Joald/coelho
[INFO] finished tweaking git repo https://github.com/Joald/coelho
[INFO] tweaked toml for git repo https://github.com/Joald/coelho written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Joald/coelho 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]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.12
[INFO] [stderr]   Downloaded futures-task v0.3.12
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded futures-channel v0.3.12
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded futures-util v0.3.12
[INFO] [stderr]   Downloaded thiserror-impl v1.0.23
[INFO] [stderr]   Downloaded thiserror v1.0.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3bb7e31e218dce500b287a9f7876951c8994bf66426a7918f607468aee185fc2
[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" "3bb7e31e218dce500b287a9f7876951c8994bf66426a7918f607468aee185fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bb7e31e218dce500b287a9f7876951c8994bf66426a7918f607468aee185fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb7e31e218dce500b287a9f7876951c8994bf66426a7918f607468aee185fc2", kill_on_drop: false }`
[INFO] [stdout] 3bb7e31e218dce500b287a9f7876951c8994bf66426a7918f607468aee185fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6fbc82b3ce7adba6f91b3a69a323862cba987fa5fb5af61f27aa3be1e9a916df
[INFO] running `Command { std: "docker" "start" "-a" "6fbc82b3ce7adba6f91b3a69a323862cba987fa5fb5af61f27aa3be1e9a916df", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling glib v0.10.3
[INFO] [stderr]    Compiling coelho v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `CairoError`
[INFO] [stdout]  --> src/image.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   CairoError(cairo::Error),
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.04s
[INFO] running `Command { std: "docker" "inspect" "6fbc82b3ce7adba6f91b3a69a323862cba987fa5fb5af61f27aa3be1e9a916df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbc82b3ce7adba6f91b3a69a323862cba987fa5fb5af61f27aa3be1e9a916df", kill_on_drop: false }`
[INFO] [stdout] 6fbc82b3ce7adba6f91b3a69a323862cba987fa5fb5af61f27aa3be1e9a916df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e2aa42b0ced324135a7ef01e25cac65cedee047aeb4ed57757d8e0995e4681f8
[INFO] running `Command { std: "docker" "start" "-a" "e2aa42b0ced324135a7ef01e25cac65cedee047aeb4ed57757d8e0995e4681f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling coelho v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `CairoError`
[INFO] [stdout]  --> src/image.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   CairoError(cairo::Error),
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "e2aa42b0ced324135a7ef01e25cac65cedee047aeb4ed57757d8e0995e4681f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2aa42b0ced324135a7ef01e25cac65cedee047aeb4ed57757d8e0995e4681f8", kill_on_drop: false }`
[INFO] [stdout] e2aa42b0ced324135a7ef01e25cac65cedee047aeb4ed57757d8e0995e4681f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b3caf25a79d6ab64a451126cc42b6de225794cfe91fa7aaaf85c9edf0359317f
[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" "b3caf25a79d6ab64a451126cc42b6de225794cfe91fa7aaaf85c9edf0359317f", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `CairoError`
[INFO] [stderr]  --> src/image.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   CairoError(cairo::Error),
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `coelho` (bin "coelho" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coelho-cc5e26a587eea6e5)
[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" "b3caf25a79d6ab64a451126cc42b6de225794cfe91fa7aaaf85c9edf0359317f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3caf25a79d6ab64a451126cc42b6de225794cfe91fa7aaaf85c9edf0359317f", kill_on_drop: false }`
[INFO] [stdout] b3caf25a79d6ab64a451126cc42b6de225794cfe91fa7aaaf85c9edf0359317f