[INFO] fetching crate fjord 0.4.12...
[INFO] checking fjord-0.4.12 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate fjord 0.4.12 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fjord 0.4.12 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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 rowan v0.10.6
[INFO] [stderr]   Downloaded expect-test v1.1.0
[INFO] [stderr]   Downloaded triomphe v0.1.2
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86d836586bd2309e017e9de15732e0327751c282fec802d831dc70ef30401dd9
[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" "86d836586bd2309e017e9de15732e0327751c282fec802d831dc70ef30401dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86d836586bd2309e017e9de15732e0327751c282fec802d831dc70ef30401dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d836586bd2309e017e9de15732e0327751c282fec802d831dc70ef30401dd9", kill_on_drop: false }`
[INFO] [stdout] 86d836586bd2309e017e9de15732e0327751c282fec802d831dc70ef30401dd9
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af1db1dc12b18d2ea3a97e6816a85738e665ab4e75580f8dd914ba763cb39a23
[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" "af1db1dc12b18d2ea3a97e6816a85738e665ab4e75580f8dd914ba763cb39a23", 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 serde v1.0.123
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking expect-test v1.1.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking triomphe v0.1.2
[INFO] [stderr]     Checking rowan v0.10.6
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling logos-derive v0.11.5
[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 51.92s
[INFO] running `Command { std: "docker" "inspect" "af1db1dc12b18d2ea3a97e6816a85738e665ab4e75580f8dd914ba763cb39a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af1db1dc12b18d2ea3a97e6816a85738e665ab4e75580f8dd914ba763cb39a23", kill_on_drop: false }`
[INFO] [stdout] af1db1dc12b18d2ea3a97e6816a85738e665ab4e75580f8dd914ba763cb39a23