[INFO] fetching crate scf-core 1.2.1...
[INFO] checking scf-core-1.2.1 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate scf-core 1.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate scf-core 1.2.1 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db4928008acfcd99bbeac43ff6ea74e0f8728b6838e5ada7c695adc1f8703130
[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" "db4928008acfcd99bbeac43ff6ea74e0f8728b6838e5ada7c695adc1f8703130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db4928008acfcd99bbeac43ff6ea74e0f8728b6838e5ada7c695adc1f8703130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4928008acfcd99bbeac43ff6ea74e0f8728b6838e5ada7c695adc1f8703130", kill_on_drop: false }`
[INFO] [stdout] db4928008acfcd99bbeac43ff6ea74e0f8728b6838e5ada7c695adc1f8703130
[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=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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d3c048e8f0e3630f132b74b084e121139a8809028dcd0d7f7b2d88366358938
[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" "9d3c048e8f0e3630f132b74b084e121139a8809028dcd0d7f7b2d88366358938", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking lang_extension v1.0.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_yaml v0.8.17
[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 28.14s
[INFO] running `Command { std: "docker" "inspect" "9d3c048e8f0e3630f132b74b084e121139a8809028dcd0d7f7b2d88366358938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d3c048e8f0e3630f132b74b084e121139a8809028dcd0d7f7b2d88366358938", kill_on_drop: false }`
[INFO] [stdout] 9d3c048e8f0e3630f132b74b084e121139a8809028dcd0d7f7b2d88366358938