[INFO] fetching crate yj 1.1.33...
[INFO] testing yj-1.1.33 against 1.55.0 for beta-1.56-1
[INFO] extracting crate yj 1.1.33 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate yj 1.1.33 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 yj 1.1.33
[INFO] finished tweaking crates.io crate yj 1.1.33
[INFO] tweaked toml for crates.io crate yj 1.1.33 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate yj 1.1.33 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 38cf0fdf56fecd296892ec8ff98653aca766681f3a6329c775d421c5a9662957
[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" "38cf0fdf56fecd296892ec8ff98653aca766681f3a6329c775d421c5a9662957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38cf0fdf56fecd296892ec8ff98653aca766681f3a6329c775d421c5a9662957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38cf0fdf56fecd296892ec8ff98653aca766681f3a6329c775d421c5a9662957", kill_on_drop: false }`
[INFO] [stdout] 38cf0fdf56fecd296892ec8ff98653aca766681f3a6329c775d421c5a9662957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f841b157b6d5182244d65510dade90049b291f5f3333a9df9443074ea8fe9d19
[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" "f841b157b6d5182244d65510dade90049b291f5f3333a9df9443074ea8fe9d19", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling yj v1.1.33 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.48s
[INFO] running `Command { std: "docker" "inspect" "f841b157b6d5182244d65510dade90049b291f5f3333a9df9443074ea8fe9d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f841b157b6d5182244d65510dade90049b291f5f3333a9df9443074ea8fe9d19", kill_on_drop: false }`
[INFO] [stdout] f841b157b6d5182244d65510dade90049b291f5f3333a9df9443074ea8fe9d19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b8c02293b00aeb8254366aa5cacc2e56c67c07a4b35fd02f61831bcd531ca502
[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" "b8c02293b00aeb8254366aa5cacc2e56c67c07a4b35fd02f61831bcd531ca502", kill_on_drop: false }`
[INFO] [stderr]    Compiling yj v1.1.33 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "b8c02293b00aeb8254366aa5cacc2e56c67c07a4b35fd02f61831bcd531ca502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c02293b00aeb8254366aa5cacc2e56c67c07a4b35fd02f61831bcd531ca502", kill_on_drop: false }`
[INFO] [stdout] b8c02293b00aeb8254366aa5cacc2e56c67c07a4b35fd02f61831bcd531ca502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9b4f973d236f3c90d799343b5fbdd6d7046a8afa8ed28dba3485467fd305f26e
[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" "9b4f973d236f3c90d799343b5fbdd6d7046a8afa8ed28dba3485467fd305f26e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yj-ff987f6f0b6b4752)
[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" "9b4f973d236f3c90d799343b5fbdd6d7046a8afa8ed28dba3485467fd305f26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4f973d236f3c90d799343b5fbdd6d7046a8afa8ed28dba3485467fd305f26e", kill_on_drop: false }`
[INFO] [stdout] 9b4f973d236f3c90d799343b5fbdd6d7046a8afa8ed28dba3485467fd305f26e