[INFO] fetching crate fjord 0.4.12...
[INFO] checking fjord-0.4.12 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate fjord 0.4.12 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fjord 0.4.12 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fjord 0.4.12
[INFO] finished tweaking crates.io crate fjord 0.4.12
[INFO] tweaked toml for crates.io crate fjord 0.4.12 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a4cd72f784d148e360b1cae72ea077332a91a9bc8e75d944954559efd25513b
[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" "7a4cd72f784d148e360b1cae72ea077332a91a9bc8e75d944954559efd25513b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a4cd72f784d148e360b1cae72ea077332a91a9bc8e75d944954559efd25513b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4cd72f784d148e360b1cae72ea077332a91a9bc8e75d944954559efd25513b", kill_on_drop: false }`
[INFO] [stdout] 7a4cd72f784d148e360b1cae72ea077332a91a9bc8e75d944954559efd25513b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7ba54cfa00ca39cc9a378225fdc8ef024120ac6272325dea09e6a4a3145562d
[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" "c7ba54cfa00ca39cc9a378225fdc8ef024120ac6272325dea09e6a4a3145562d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking text-size v1.0.0
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking thin-dst v1.1.0
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking expect-test v1.0.1
[INFO] [stderr]     Checking rowan v0.10.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking fjord v0.4.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.83s
[INFO] running `Command { std: "docker" "inspect" "c7ba54cfa00ca39cc9a378225fdc8ef024120ac6272325dea09e6a4a3145562d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ba54cfa00ca39cc9a378225fdc8ef024120ac6272325dea09e6a4a3145562d", kill_on_drop: false }`
[INFO] [stdout] c7ba54cfa00ca39cc9a378225fdc8ef024120ac6272325dea09e6a4a3145562d