[INFO] fetching crate tob 0.2.12...
[INFO] testing tob-0.2.12 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tob 0.2.12 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tob 0.2.12 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 tob 0.2.12
[INFO] finished tweaking crates.io crate tob 0.2.12
[INFO] tweaked toml for crates.io crate tob 0.2.12 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9945b83dec98f3b7a1f35d07d22341a55a331422b4289cb46cad965cc700188
[INFO] running `Command { std: "docker" "start" "-a" "a9945b83dec98f3b7a1f35d07d22341a55a331422b4289cb46cad965cc700188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9945b83dec98f3b7a1f35d07d22341a55a331422b4289cb46cad965cc700188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9945b83dec98f3b7a1f35d07d22341a55a331422b4289cb46cad965cc700188", kill_on_drop: false }`
[INFO] [stdout] a9945b83dec98f3b7a1f35d07d22341a55a331422b4289cb46cad965cc700188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cefde7d5a7d0cc4cfdecd299ed17c5df3ea5e6b42b4aa8f9f93445d46ac75527
[INFO] running `Command { std: "docker" "start" "-a" "cefde7d5a7d0cc4cfdecd299ed17c5df3ea5e6b42b4aa8f9f93445d46ac75527", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling infer v0.2.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.77
[INFO] [stderr]    Compiling isahc v0.9.14
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.77
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling async-dup v1.2.2
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling flume v0.9.2
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling sluice v0.5.5
[INFO] [stderr]    Compiling byte-pool v0.2.3
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling serde_qs v0.8.4
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.77
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.77
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.77
[INFO] [stderr]    Compiling js-sys v0.3.54
[INFO] [stderr]    Compiling async-native-tls v0.3.3
[INFO] [stderr]    Compiling web-sys v0.3.54
[INFO] [stderr]    Compiling async-h1 v2.3.2
[INFO] [stderr]    Compiling http-client v4.0.0
[INFO] [stderr]    Compiling http-client v6.5.1
[INFO] [stderr]    Compiling surf v2.3.1
[INFO] [stderr]    Compiling rpc-json-client v0.1.1
[INFO] [stderr]    Compiling tob v0.2.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.88s
[INFO] running `Command { std: "docker" "inspect" "cefde7d5a7d0cc4cfdecd299ed17c5df3ea5e6b42b4aa8f9f93445d46ac75527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefde7d5a7d0cc4cfdecd299ed17c5df3ea5e6b42b4aa8f9f93445d46ac75527", kill_on_drop: false }`
[INFO] [stdout] cefde7d5a7d0cc4cfdecd299ed17c5df3ea5e6b42b4aa8f9f93445d46ac75527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a63eecb4833b10df606f4ab3ba2e35efacbce04afb319b9eb3010fb2da7179b0
[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" "a63eecb4833b10df606f4ab3ba2e35efacbce04afb319b9eb3010fb2da7179b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tob v0.2.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "a63eecb4833b10df606f4ab3ba2e35efacbce04afb319b9eb3010fb2da7179b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63eecb4833b10df606f4ab3ba2e35efacbce04afb319b9eb3010fb2da7179b0", kill_on_drop: false }`
[INFO] [stdout] a63eecb4833b10df606f4ab3ba2e35efacbce04afb319b9eb3010fb2da7179b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1eb1a8cfef65ec020987e3eeac67f8f262265e180dc17ed44517777dc87b1a2f
[INFO] running `Command { std: "docker" "start" "-a" "1eb1a8cfef65ec020987e3eeac67f8f262265e180dc17ed44517777dc87b1a2f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tob-3ba104848c8a0e4e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tob
[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" "1eb1a8cfef65ec020987e3eeac67f8f262265e180dc17ed44517777dc87b1a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb1a8cfef65ec020987e3eeac67f8f262265e180dc17ed44517777dc87b1a2f", kill_on_drop: false }`
[INFO] [stdout] 1eb1a8cfef65ec020987e3eeac67f8f262265e180dc17ed44517777dc87b1a2f