[INFO] fetching crate cpclib-disc 0.4.3-alpha...
[INFO] checking cpclib-disc-0.4.3-alpha against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate cpclib-disc 0.4.3-alpha into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cpclib-disc 0.4.3-alpha on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpclib-disc 0.4.3-alpha
[INFO] finished tweaking crates.io crate cpclib-disc 0.4.3-alpha
[INFO] tweaked toml for crates.io crate cpclib-disc 0.4.3-alpha written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cpclib-disc 0.4.3-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a5797e91d1a21c530d72ac040540e0b5eb53bce948f37c17f9db1315d4fe86c
[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" "1a5797e91d1a21c530d72ac040540e0b5eb53bce948f37c17f9db1315d4fe86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5797e91d1a21c530d72ac040540e0b5eb53bce948f37c17f9db1315d4fe86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5797e91d1a21c530d72ac040540e0b5eb53bce948f37c17f9db1315d4fe86c", kill_on_drop: false }`
[INFO] [stdout] 1a5797e91d1a21c530d72ac040540e0b5eb53bce948f37c17f9db1315d4fe86c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6287ec56d2e5fab500c893a99cf3567ab71ed5680402bfce6f41fbb2ec6a14f4
[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" "6287ec56d2e5fab500c893a99cf3567ab71ed5680402bfce6f41fbb2ec6a14f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling paste v1.0.2
[INFO] [stderr]     Checking custom_error v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking libc v0.2.79
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling delegate v0.4.3
[INFO] [stderr]    Compiling remain v0.2.2
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling built v0.4.3
[INFO] [stderr]    Compiling cpclib-sna v0.4.3-alpha
[INFO] [stderr]    Compiling cpclib-tokens v0.4.3-alpha
[INFO] [stderr]    Compiling cpclib-disc v0.4.3-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "6287ec56d2e5fab500c893a99cf3567ab71ed5680402bfce6f41fbb2ec6a14f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6287ec56d2e5fab500c893a99cf3567ab71ed5680402bfce6f41fbb2ec6a14f4", kill_on_drop: false }`
[INFO] [stdout] 6287ec56d2e5fab500c893a99cf3567ab71ed5680402bfce6f41fbb2ec6a14f4