[INFO] fetching crate cepler 0.6.4...
[INFO] testing cepler-0.6.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cepler 0.6.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cepler 0.6.4 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 cepler 0.6.4
[INFO] finished tweaking crates.io crate cepler 0.6.4
[INFO] tweaked toml for crates.io crate cepler 0.6.4 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate cepler 0.6.4 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]  Downloading crates ...
[INFO] [stderr]   Downloaded stringreader v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ec0cf55de59a62f0db8c090b05f00285ea7fe3c387eb7eb5295de870331a1be5
[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" "ec0cf55de59a62f0db8c090b05f00285ea7fe3c387eb7eb5295de870331a1be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec0cf55de59a62f0db8c090b05f00285ea7fe3c387eb7eb5295de870331a1be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0cf55de59a62f0db8c090b05f00285ea7fe3c387eb7eb5295de870331a1be5", kill_on_drop: false }`
[INFO] [stdout] ec0cf55de59a62f0db8c090b05f00285ea7fe3c387eb7eb5295de870331a1be5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b67cd454b266bad3159470ca7b9458d6d62b43b0193f36a3d16bcf94ad3a502e
[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" "b67cd454b266bad3159470ca7b9458d6d62b43b0193f36a3d16bcf94ad3a502e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling openssl-src v111.13.0+1.1.1i
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling libgit2-sys v0.12.17+1.1.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_yaml v0.8.15
[INFO] [stderr]    Compiling git2 v0.13.15
[INFO] [stderr]    Compiling cepler v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 41s
[INFO] running `Command { std: "docker" "inspect" "b67cd454b266bad3159470ca7b9458d6d62b43b0193f36a3d16bcf94ad3a502e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67cd454b266bad3159470ca7b9458d6d62b43b0193f36a3d16bcf94ad3a502e", kill_on_drop: false }`
[INFO] [stdout] b67cd454b266bad3159470ca7b9458d6d62b43b0193f36a3d16bcf94ad3a502e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 84d3d5d1dc2a8830d14512c0859b95b7603943892466210ac200f7eccc1a2d60
[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" "84d3d5d1dc2a8830d14512c0859b95b7603943892466210ac200f7eccc1a2d60", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringreader v0.1.1
[INFO] [stderr]    Compiling cepler v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "84d3d5d1dc2a8830d14512c0859b95b7603943892466210ac200f7eccc1a2d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d3d5d1dc2a8830d14512c0859b95b7603943892466210ac200f7eccc1a2d60", kill_on_drop: false }`
[INFO] [stdout] 84d3d5d1dc2a8830d14512c0859b95b7603943892466210ac200f7eccc1a2d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 017837ae06edb4e97ae7955a3eec056ab4bf09d884702b50068c955db4024231
[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" "017837ae06edb4e97ae7955a3eec056ab4bf09d884702b50068c955db4024231", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cepler-0d1b2c74eadbdc99)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cepler-6e58adbce766b6fa)
[INFO] [stdout] running 1 test
[INFO] [stdout] test config::test::deserialize_config ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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] [stderr]    Doc-tests cepler
[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" "017837ae06edb4e97ae7955a3eec056ab4bf09d884702b50068c955db4024231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017837ae06edb4e97ae7955a3eec056ab4bf09d884702b50068c955db4024231", kill_on_drop: false }`
[INFO] [stdout] 017837ae06edb4e97ae7955a3eec056ab4bf09d884702b50068c955db4024231