[INFO] cloning repository https://github.com/raftario/Meca
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raftario/Meca" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraftario%2FMeca", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraftario%2FMeca'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49b541bd7f2799448474f881160b7b416a6803c6
[INFO] checking raftario/Meca against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraftario%2FMeca" "/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/raftario/Meca on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raftario/Meca
[INFO] finished tweaking git repo https://github.com/raftario/Meca
[INFO] tweaked toml for git repo https://github.com/raftario/Meca written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/raftario/Meca already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]   Downloaded console v0.10.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.16
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.59
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.11
[INFO] [stderr]   Downloaded proc-macro-error v0.4.11
[INFO] [stderr]   Downloaded once_cell v1.3.1
[INFO] [stderr]   Downloaded qstring v0.7.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.4
[INFO] [stderr]   Downloaded structopt v0.3.11
[INFO] [stderr]   Downloaded js-sys v0.3.36
[INFO] [stderr]   Downloaded zip v0.5.5
[INFO] [stderr]   Downloaded chunked_transfer v1.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.59
[INFO] [stderr]   Downloaded ureq v0.11.4
[INFO] [stderr]   Downloaded indicatif v0.14.0
[INFO] [stderr]   Downloaded bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]   Downloaded web-sys v0.3.36
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a0558c349fc8fac286d30a326a8eb889cdd827054da470097887657741a5ed7
[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" "1a0558c349fc8fac286d30a326a8eb889cdd827054da470097887657741a5ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a0558c349fc8fac286d30a326a8eb889cdd827054da470097887657741a5ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0558c349fc8fac286d30a326a8eb889cdd827054da470097887657741a5ed7", kill_on_drop: false }`
[INFO] [stdout] 1a0558c349fc8fac286d30a326a8eb889cdd827054da470097887657741a5ed7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 4a7a07bcf8e5b4198c855e9e84205c4a2afe5d49235af0a085f1aada1ba71d0a
[INFO] running `Command { std: "docker" "start" "-a" "4a7a07bcf8e5b4198c855e9e84205c4a2afe5d49235af0a085f1aada1ba71d0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking ring v0.16.11
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking dialoguer v0.5.0
[INFO] [stderr]     Checking ureq v0.11.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking meca v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.95s
[INFO] running `Command { std: "docker" "inspect" "4a7a07bcf8e5b4198c855e9e84205c4a2afe5d49235af0a085f1aada1ba71d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7a07bcf8e5b4198c855e9e84205c4a2afe5d49235af0a085f1aada1ba71d0a", kill_on_drop: false }`
[INFO] [stdout] 4a7a07bcf8e5b4198c855e9e84205c4a2afe5d49235af0a085f1aada1ba71d0a