[INFO] fetching crate yalich 0.1.4...
[INFO] testing yalich-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate yalich 0.1.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate yalich 0.1.4 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 yalich 0.1.4
[INFO] finished tweaking crates.io crate yalich 0.1.4
[INFO] tweaked toml for crates.io crate yalich 0.1.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate yalich 0.1.4 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 03ea065605ee8f994b69a48e0d5cec087bd92f9f10a0bb7c553fc1e9c93502f6
[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" "03ea065605ee8f994b69a48e0d5cec087bd92f9f10a0bb7c553fc1e9c93502f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03ea065605ee8f994b69a48e0d5cec087bd92f9f10a0bb7c553fc1e9c93502f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ea065605ee8f994b69a48e0d5cec087bd92f9f10a0bb7c553fc1e9c93502f6", kill_on_drop: false }`
[INFO] [stdout] 03ea065605ee8f994b69a48e0d5cec087bd92f9f10a0bb7c553fc1e9c93502f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 5898b1a79f7caeca419fbc6c06acecdfc14fc6bf21c7e8608bf1fa3adb1419a0
[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" "5898b1a79f7caeca419fbc6c06acecdfc14fc6bf21c7e8608bf1fa3adb1419a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling pin-project v0.4.19
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.6
[INFO] [stderr]    Compiling yalich v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "5898b1a79f7caeca419fbc6c06acecdfc14fc6bf21c7e8608bf1fa3adb1419a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5898b1a79f7caeca419fbc6c06acecdfc14fc6bf21c7e8608bf1fa3adb1419a0", kill_on_drop: false }`
[INFO] [stdout] 5898b1a79f7caeca419fbc6c06acecdfc14fc6bf21c7e8608bf1fa3adb1419a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 627f9f43e22b4407d9c35d1ad40f5a7b5bcf6918397b9d33c33f666e26f0317c
[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" "627f9f43e22b4407d9c35d1ad40f5a7b5bcf6918397b9d33c33f666e26f0317c", kill_on_drop: false }`
[INFO] [stderr]    Compiling yalich v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "627f9f43e22b4407d9c35d1ad40f5a7b5bcf6918397b9d33c33f666e26f0317c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627f9f43e22b4407d9c35d1ad40f5a7b5bcf6918397b9d33c33f666e26f0317c", kill_on_drop: false }`
[INFO] [stdout] 627f9f43e22b4407d9c35d1ad40f5a7b5bcf6918397b9d33c33f666e26f0317c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 790f288e26cb9dd9e328b62b3ec5e3eb46c18509850921b3d2fce79862b455e2
[INFO] running `Command { std: "docker" "start" "-a" "790f288e26cb9dd9e328b62b3ec5e3eb46c18509850921b3d2fce79862b455e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yalich-e2eb5206b93b40b1)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yalich-1b6b9883217fb7d1)
[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 yalich
[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] [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" "790f288e26cb9dd9e328b62b3ec5e3eb46c18509850921b3d2fce79862b455e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790f288e26cb9dd9e328b62b3ec5e3eb46c18509850921b3d2fce79862b455e2", kill_on_drop: false }`
[INFO] [stdout] 790f288e26cb9dd9e328b62b3ec5e3eb46c18509850921b3d2fce79862b455e2