[INFO] cloning repository https://github.com/fvhockney/assimilate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fvhockney/assimilate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffvhockney%2Fassimilate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffvhockney%2Fassimilate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d705f914ce89668a57ba733a3b40dd41f8b7aa3b
[INFO] checking fvhockney/assimilate against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffvhockney%2Fassimilate" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fvhockney/assimilate on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fvhockney/assimilate
[INFO] finished tweaking git repo https://github.com/fvhockney/assimilate
[INFO] tweaked toml for git repo https://github.com/fvhockney/assimilate written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/fvhockney/assimilate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", 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] a10e8b3ed764aa3ef660b9e05305e780a70e3e875b09d83b3fce5d59dcc622d6
[INFO] running `Command { std: "docker" "start" "-a" "a10e8b3ed764aa3ef660b9e05305e780a70e3e875b09d83b3fce5d59dcc622d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a10e8b3ed764aa3ef660b9e05305e780a70e3e875b09d83b3fce5d59dcc622d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10e8b3ed764aa3ef660b9e05305e780a70e3e875b09d83b3fce5d59dcc622d6", kill_on_drop: false }`
[INFO] [stdout] a10e8b3ed764aa3ef660b9e05305e780a70e3e875b09d83b3fce5d59dcc622d6
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] f9c5850e60db8d8addb3caf5dcbe1037d9e13aeb04a53e46bc271139cb1dfcc5
[INFO] running `Command { std: "docker" "start" "-a" "f9c5850e60db8d8addb3caf5dcbe1037d9e13aeb04a53e46bc271139cb1dfcc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking assimilate_bin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.36s
[INFO] running `Command { std: "docker" "inspect" "f9c5850e60db8d8addb3caf5dcbe1037d9e13aeb04a53e46bc271139cb1dfcc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c5850e60db8d8addb3caf5dcbe1037d9e13aeb04a53e46bc271139cb1dfcc5", kill_on_drop: false }`
[INFO] [stdout] f9c5850e60db8d8addb3caf5dcbe1037d9e13aeb04a53e46bc271139cb1dfcc5