[INFO] fetching crate value-bag 1.0.0-alpha.6...
[INFO] checking value-bag-1.0.0-alpha.6 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate value-bag 1.0.0-alpha.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate value-bag 1.0.0-alpha.6 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate value-bag 1.0.0-alpha.6
[INFO] finished tweaking crates.io crate value-bag 1.0.0-alpha.6
[INFO] tweaked toml for crates.io crate value-bag 1.0.0-alpha.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.20
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.20
[INFO] [stderr]   Downloaded serde_fmt v1.0.1
[INFO] [stderr]   Downloaded sval_json v1.0.0-alpha.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e851d1d684a32034d5b0cecf8ffa1eb08aa992e485c5d724651b86eb07736ec
[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" "2e851d1d684a32034d5b0cecf8ffa1eb08aa992e485c5d724651b86eb07736ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e851d1d684a32034d5b0cecf8ffa1eb08aa992e485c5d724651b86eb07736ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e851d1d684a32034d5b0cecf8ffa1eb08aa992e485c5d724651b86eb07736ec", kill_on_drop: false }`
[INFO] [stdout] 2e851d1d684a32034d5b0cecf8ffa1eb08aa992e485c5d724651b86eb07736ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d65e6dad03c7b28fd9bda37448364cc33168af4f0d12ba2f97ca54fa475b7d84
[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" "d65e6dad03c7b28fd9bda37448364cc33168af4f0d12ba2f97ca54fa475b7d84", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.70
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.6.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.70
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking sval v1.0.0-alpha.5
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking sval_json v1.0.0-alpha.5
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.20
[INFO] [stderr]     Checking serde_test v1.0.123
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.70
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.70
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.70
[INFO] [stderr]     Checking js-sys v0.3.47
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.20
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.20
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.07s
[INFO] running `Command { std: "docker" "inspect" "d65e6dad03c7b28fd9bda37448364cc33168af4f0d12ba2f97ca54fa475b7d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65e6dad03c7b28fd9bda37448364cc33168af4f0d12ba2f97ca54fa475b7d84", kill_on_drop: false }`
[INFO] [stdout] d65e6dad03c7b28fd9bda37448364cc33168af4f0d12ba2f97ca54fa475b7d84