[INFO] cloning repository https://github.com/WaDelma/specs_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WaDelma/specs_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWaDelma%2Fspecs_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWaDelma%2Fspecs_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39bdb2e36aa4e4142ed75d0722b9c5ca762b9399
[INFO] checking WaDelma/specs_example against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWaDelma%2Fspecs_example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WaDelma/specs_example on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WaDelma/specs_example
[INFO] finished tweaking git repo https://github.com/WaDelma/specs_example
[INFO] tweaked toml for git repo https://github.com/WaDelma/specs_example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/WaDelma/specs_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71584157f38756302f1f40c6c64cf79721db0ac415726c63ab6977bd65987388
[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" "71584157f38756302f1f40c6c64cf79721db0ac415726c63ab6977bd65987388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71584157f38756302f1f40c6c64cf79721db0ac415726c63ab6977bd65987388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71584157f38756302f1f40c6c64cf79721db0ac415726c63ab6977bd65987388", kill_on_drop: false }`
[INFO] [stdout] 71584157f38756302f1f40c6c64cf79721db0ac415726c63ab6977bd65987388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 412c1ce88bfa92b88e7410e825245e496f87c709bf83ea7f3821f956baf465e6
[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" "412c1ce88bfa92b88e7410e825245e496f87c709bf83ea7f3821f956baf465e6", kill_on_drop: false }`
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking atom v0.3.4
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling shred-derive v0.3.0
[INFO] [stderr]    Compiling specs-derive v0.1.0
[INFO] [stderr]     Checking hibitset v0.3.2
[INFO] [stderr]     Checking shred v0.5.2
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking specs v0.10.0
[INFO] [stderr]     Checking specs_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.95s
[INFO] running `Command { std: "docker" "inspect" "412c1ce88bfa92b88e7410e825245e496f87c709bf83ea7f3821f956baf465e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412c1ce88bfa92b88e7410e825245e496f87c709bf83ea7f3821f956baf465e6", kill_on_drop: false }`
[INFO] [stdout] 412c1ce88bfa92b88e7410e825245e496f87c709bf83ea7f3821f956baf465e6