[INFO] fetching crate xcompress 0.11.6...
[INFO] testing xcompress-0.11.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xcompress 0.11.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xcompress 0.11.6 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 xcompress 0.11.6
[INFO] finished tweaking crates.io crate xcompress 0.11.6
[INFO] tweaked toml for crates.io crate xcompress 0.11.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate xcompress 0.11.6 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 execute-command-tokens v0.1.4
[INFO] [stderr]   Downloaded byte-unit v4.0.11
[INFO] [stderr]   Downloaded educe v0.4.15
[INFO] [stderr]   Downloaded concat-with v0.2.6
[INFO] [stderr]   Downloaded execute-command-macro-impl v0.1.6
[INFO] [stderr]   Downloaded execute-command-macro v0.1.6
[INFO] [stderr]   Downloaded execute v0.2.9
[INFO] [stderr]   Downloaded scanner-rust v2.0.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b8ee05740e1f540d3f7badfc2cc360e166a2205f43d17e76cd0f469888cc4dd4
[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" "b8ee05740e1f540d3f7badfc2cc360e166a2205f43d17e76cd0f469888cc4dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8ee05740e1f540d3f7badfc2cc360e166a2205f43d17e76cd0f469888cc4dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ee05740e1f540d3f7badfc2cc360e166a2205f43d17e76cd0f469888cc4dd4", kill_on_drop: false }`
[INFO] [stdout] b8ee05740e1f540d3f7badfc2cc360e166a2205f43d17e76cd0f469888cc4dd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9f3da8e8f7e8a69f0a376a7837fdb488e705cb89dc7ed87b093e7d8bbfadf112
[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" "9f3da8e8f7e8a69f0a376a7837fdb488e705cb89dc7ed87b093e7d8bbfadf112", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling execute-command-tokens v0.1.4
[INFO] [stderr]    Compiling utf8-width v0.1.5
[INFO] [stderr]    Compiling concat-with v0.2.6
[INFO] [stderr]    Compiling path-dedot v3.0.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling byte-unit v4.0.11
[INFO] [stderr]    Compiling path-absolutize v3.0.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling enum-ordinalize v3.1.10
[INFO] [stderr]    Compiling execute-command-macro-impl v0.1.6
[INFO] [stderr]    Compiling execute-command-macro v0.1.6
[INFO] [stderr]    Compiling execute v0.2.9
[INFO] [stderr]    Compiling educe v0.4.15
[INFO] [stderr]    Compiling scanner-rust v2.0.15
[INFO] [stderr]    Compiling xcompress v0.11.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.06s
[INFO] running `Command { std: "docker" "inspect" "9f3da8e8f7e8a69f0a376a7837fdb488e705cb89dc7ed87b093e7d8bbfadf112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3da8e8f7e8a69f0a376a7837fdb488e705cb89dc7ed87b093e7d8bbfadf112", kill_on_drop: false }`
[INFO] [stdout] 9f3da8e8f7e8a69f0a376a7837fdb488e705cb89dc7ed87b093e7d8bbfadf112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f9ccf6c662fab398877ddc5314987b231b5690d9dd7e1ae9d82d9e8ed048ad5c
[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" "f9ccf6c662fab398877ddc5314987b231b5690d9dd7e1ae9d82d9e8ed048ad5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling xcompress v0.11.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "f9ccf6c662fab398877ddc5314987b231b5690d9dd7e1ae9d82d9e8ed048ad5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ccf6c662fab398877ddc5314987b231b5690d9dd7e1ae9d82d9e8ed048ad5c", kill_on_drop: false }`
[INFO] [stdout] f9ccf6c662fab398877ddc5314987b231b5690d9dd7e1ae9d82d9e8ed048ad5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 248cad651d918d204b3100981b9f376d470b5b2adfbcaf5c16bb662710c33d60
[INFO] running `Command { std: "docker" "start" "-a" "248cad651d918d204b3100981b9f376d470b5b2adfbcaf5c16bb662710c33d60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xcompress-dc38c3351550b1dd)
[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/xcompress-2d103cf8692080e1)
[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 xcompress
[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" "248cad651d918d204b3100981b9f376d470b5b2adfbcaf5c16bb662710c33d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248cad651d918d204b3100981b9f376d470b5b2adfbcaf5c16bb662710c33d60", kill_on_drop: false }`
[INFO] [stdout] 248cad651d918d204b3100981b9f376d470b5b2adfbcaf5c16bb662710c33d60