[INFO] fetching crate scf-core 1.2.1...
[INFO] checking scf-core-1.2.1 against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] extracting crate scf-core 1.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate scf-core 1.2.1 on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scf-core 1.2.1
[INFO] finished tweaking crates.io crate scf-core 1.2.1
[INFO] tweaked toml for crates.io crate scf-core 1.2.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lang_extension v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "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] 6c250364102e5e5d8fcb47d7c22fe7e2d20ae7dcf5808182857713c042197379
[INFO] running `Command { std: "docker" "start" "-a" "6c250364102e5e5d8fcb47d7c22fe7e2d20ae7dcf5808182857713c042197379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c250364102e5e5d8fcb47d7c22fe7e2d20ae7dcf5808182857713c042197379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c250364102e5e5d8fcb47d7c22fe7e2d20ae7dcf5808182857713c042197379", kill_on_drop: false }`
[INFO] [stdout] 6c250364102e5e5d8fcb47d7c22fe7e2d20ae7dcf5808182857713c042197379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c05fd71a5e5b376a100dcb49e4046b2415ec8e3c81b023ca5aad6a294dae3d1
[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" "0c05fd71a5e5b376a100dcb49e4046b2415ec8e3c81b023ca5aad6a294dae3d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lang_extension v1.0.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking scf-core v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.30s
[INFO] running `Command { std: "docker" "inspect" "0c05fd71a5e5b376a100dcb49e4046b2415ec8e3c81b023ca5aad6a294dae3d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c05fd71a5e5b376a100dcb49e4046b2415ec8e3c81b023ca5aad6a294dae3d1", kill_on_drop: false }`
[INFO] [stdout] 0c05fd71a5e5b376a100dcb49e4046b2415ec8e3c81b023ca5aad6a294dae3d1