[INFO] cloning repository https://github.com/aergonaut/gear
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aergonaut/gear" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faergonaut%2Fgear", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faergonaut%2Fgear'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e898297ad146211f509fdd793120025d09bb157
[INFO] checking aergonaut/gear against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faergonaut%2Fgear" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aergonaut/gear 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/aergonaut/gear
[INFO] finished tweaking git repo https://github.com/aergonaut/gear
[INFO] tweaked toml for git repo https://github.com/aergonaut/gear written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/aergonaut/gear 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] [stderr]     Blocking waiting for file lock on package cache
[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" "+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] 0e5971499e1285d3664d97d5cc41e040b15549b7dfd87cd99eeddb9586d10dd1
[INFO] running `Command { std: "docker" "start" "-a" "0e5971499e1285d3664d97d5cc41e040b15549b7dfd87cd99eeddb9586d10dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e5971499e1285d3664d97d5cc41e040b15549b7dfd87cd99eeddb9586d10dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5971499e1285d3664d97d5cc41e040b15549b7dfd87cd99eeddb9586d10dd1", kill_on_drop: false }`
[INFO] [stdout] 0e5971499e1285d3664d97d5cc41e040b15549b7dfd87cd99eeddb9586d10dd1
[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" "+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] d2019d824a800fc0638c43a4da301fcf852e983daf4a001f6b5b07ebd19bbf81
[INFO] running `Command { std: "docker" "start" "-a" "d2019d824a800fc0638c43a4da301fcf852e983daf4a001f6b5b07ebd19bbf81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking open v1.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking shared_child v0.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking os_pipe v0.8.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking duct v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]     Checking clap-log-flag v0.2.1
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking git2 v0.10.0
[INFO] [stderr]     Checking gear v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 19s
[INFO] running `Command { std: "docker" "inspect" "d2019d824a800fc0638c43a4da301fcf852e983daf4a001f6b5b07ebd19bbf81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2019d824a800fc0638c43a4da301fcf852e983daf4a001f6b5b07ebd19bbf81", kill_on_drop: false }`
[INFO] [stdout] d2019d824a800fc0638c43a4da301fcf852e983daf4a001f6b5b07ebd19bbf81