[INFO] fetching crate clevel 0.1.7...
[INFO] testing clevel-0.1.7 against 1.47.0 for beta-1.48-1
[INFO] extracting crate clevel 0.1.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate clevel 0.1.7 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clevel 0.1.7
[INFO] finished tweaking crates.io crate clevel 0.1.7
[INFO] tweaked toml for crates.io crate clevel 0.1.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate clevel 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] 0d2a7fa88b00c1b7487f7c78ff468c6413692d73ed0ca620fc04ccf495ed651b
[INFO] running `Command { std: "docker" "start" "-a" "0d2a7fa88b00c1b7487f7c78ff468c6413692d73ed0ca620fc04ccf495ed651b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d2a7fa88b00c1b7487f7c78ff468c6413692d73ed0ca620fc04ccf495ed651b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2a7fa88b00c1b7487f7c78ff468c6413692d73ed0ca620fc04ccf495ed651b", kill_on_drop: false }`
[INFO] [stdout] 0d2a7fa88b00c1b7487f7c78ff468c6413692d73ed0ca620fc04ccf495ed651b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] f6f090333bf21d1a05d4688e413ecb8355d2a418cff144b1e5a4221543db4c73
[INFO] running `Command { std: "docker" "start" "-a" "f6f090333bf21d1a05d4688e413ecb8355d2a418cff144b1e5a4221543db4c73", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.59
[INFO] [stderr]    Compiling bumpalo v3.2.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling wasm-bindgen v0.2.59
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling simple-matrix v0.1.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.59
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.59
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling ron v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling clevel v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.28s
[INFO] running `Command { std: "docker" "inspect" "f6f090333bf21d1a05d4688e413ecb8355d2a418cff144b1e5a4221543db4c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f090333bf21d1a05d4688e413ecb8355d2a418cff144b1e5a4221543db4c73", kill_on_drop: false }`
[INFO] [stdout] f6f090333bf21d1a05d4688e413ecb8355d2a418cff144b1e5a4221543db4c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8b03db355f5dc344767c4c72718ca73f1fa7335ca62341a03532100654fc2e6
[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" "d8b03db355f5dc344767c4c72718ca73f1fa7335ca62341a03532100654fc2e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.8
[INFO] [stderr]    Compiling js-sys v0.3.36
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.8
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.8
[INFO] [stderr]    Compiling clevel v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `Command { std: "docker" "inspect" "d8b03db355f5dc344767c4c72718ca73f1fa7335ca62341a03532100654fc2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b03db355f5dc344767c4c72718ca73f1fa7335ca62341a03532100654fc2e6", kill_on_drop: false }`
[INFO] [stdout] d8b03db355f5dc344767c4c72718ca73f1fa7335ca62341a03532100654fc2e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] eced80b5b434c2fe31d34d3ad5632cb4cc139e36447a7f27c36f5461fb699524
[INFO] running `Command { std: "docker" "start" "-a" "eced80b5b434c2fe31d34d3ad5632cb4cc139e36447a7f27c36f5461fb699524", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/clevel-4bc3fce33255610c
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/clevel-5c20148cab343da2
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests clevel
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eced80b5b434c2fe31d34d3ad5632cb4cc139e36447a7f27c36f5461fb699524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eced80b5b434c2fe31d34d3ad5632cb4cc139e36447a7f27c36f5461fb699524", kill_on_drop: false }`
[INFO] [stdout] eced80b5b434c2fe31d34d3ad5632cb4cc139e36447a7f27c36f5461fb699524
