[INFO] fetching crate flandres 0.1.0...
[INFO] checking flandres-0.1.0 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate flandres 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate flandres 0.1.0 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flandres 0.1.0
[INFO] finished tweaking crates.io crate flandres 0.1.0
[INFO] tweaked toml for crates.io crate flandres 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate flandres 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef71f9a070f80839b2278d6cdef64f0ff17fcbd6e4aa8f70634066d628b6f682
[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" "ef71f9a070f80839b2278d6cdef64f0ff17fcbd6e4aa8f70634066d628b6f682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef71f9a070f80839b2278d6cdef64f0ff17fcbd6e4aa8f70634066d628b6f682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef71f9a070f80839b2278d6cdef64f0ff17fcbd6e4aa8f70634066d628b6f682", kill_on_drop: false }`
[INFO] [stdout] ef71f9a070f80839b2278d6cdef64f0ff17fcbd6e4aa8f70634066d628b6f682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] c72ed10d0e45ac63eb1b2fca2bbaf2fc984101a1fd601797c56e6041f1cf418c
[INFO] running `Command { std: "docker" "start" "-a" "c72ed10d0e45ac63eb1b2fca2bbaf2fc984101a1fd601797c56e6041f1cf418c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling fltk-sys v0.9.2
[INFO] [stderr]    Compiling fltk-derive v0.9.2
[INFO] [stderr]     Checking fltk v0.9.2
[INFO] [stderr]     Checking flandres v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "c72ed10d0e45ac63eb1b2fca2bbaf2fc984101a1fd601797c56e6041f1cf418c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72ed10d0e45ac63eb1b2fca2bbaf2fc984101a1fd601797c56e6041f1cf418c", kill_on_drop: false }`
[INFO] [stdout] c72ed10d0e45ac63eb1b2fca2bbaf2fc984101a1fd601797c56e6041f1cf418c