[INFO] cloning repository https://github.com/iliana/mutual-gf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iliana/mutual-gf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filiana%2Fmutual-gf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filiana%2Fmutual-gf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8e6866ecb0aadd4d50fe651e62c731763988816
[INFO] checking iliana/mutual-gf against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filiana%2Fmutual-gf" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iliana/mutual-gf on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iliana/mutual-gf
[INFO] finished tweaking git repo https://github.com/iliana/mutual-gf
[INFO] tweaked toml for git repo https://github.com/iliana/mutual-gf written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/iliana/mutual-gf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded js-sys v0.3.38
[INFO] [stderr]   Downloaded web-sys v0.3.38
[INFO] [stderr]   Downloaded ring v0.16.13
[INFO] [stderr]   Downloaded esbat v0.1.0
[INFO] [stderr]   Downloaded minreq v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] 4ce74dc5d5413108b4e8e5a02b57364661ed29f79ae02aa3fc5665da00a788b3
[INFO] running `Command { std: "docker" "start" "-a" "4ce74dc5d5413108b4e8e5a02b57364661ed29f79ae02aa3fc5665da00a788b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ce74dc5d5413108b4e8e5a02b57364661ed29f79ae02aa3fc5665da00a788b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce74dc5d5413108b4e8e5a02b57364661ed29f79ae02aa3fc5665da00a788b3", kill_on_drop: false }`
[INFO] [stdout] 4ce74dc5d5413108b4e8e5a02b57364661ed29f79ae02aa3fc5665da00a788b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5783b7b81a4da3b1011f90bf71616d73a4b07399d6c6ec6b165e1ea01f2095b2
[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" "5783b7b81a4da3b1011f90bf71616d73a4b07399d6c6ec6b165e1ea01f2095b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]     Checking esbat v0.1.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking minreq v2.1.1
[INFO] [stderr]     Checking mutual-gf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "5783b7b81a4da3b1011f90bf71616d73a4b07399d6c6ec6b165e1ea01f2095b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5783b7b81a4da3b1011f90bf71616d73a4b07399d6c6ec6b165e1ea01f2095b2", kill_on_drop: false }`
[INFO] [stdout] 5783b7b81a4da3b1011f90bf71616d73a4b07399d6c6ec6b165e1ea01f2095b2