[INFO] cloning repository https://github.com/knapply/pygrex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knapply/pygrex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknapply%2Fpygrex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknapply%2Fpygrex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a59a03805a26d53ce98088c5edb6533b24512bf7
[INFO] checking knapply/pygrex against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknapply%2Fpygrex" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knapply/pygrex on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/knapply/pygrex
[INFO] finished tweaking git repo https://github.com/knapply/pygrex
[INFO] tweaked toml for git repo https://github.com/knapply/pygrex written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/knapply/pygrex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-ucd-category v0.9.0
[INFO] [stderr]   Downloaded serde_json v1.0.52
[INFO] [stderr]   Downloaded indoc v0.3.5
[INFO] [stderr]   Downloaded indoc-impl v0.3.5
[INFO] [stderr]   Downloaded paste-impl v0.1.11
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.9.2
[INFO] [stderr]   Downloaded paste v0.1.11
[INFO] [stderr]   Downloaded grex v1.1.0
[INFO] [stderr]   Downloaded pyo3 v0.9.2
[INFO] [stderr]   Downloaded pyo3cls v0.9.2
[INFO] [stderr]   Downloaded unindent v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 249cd0b49b664af9ea274d6ed7c8bf681eb9d7ae148f5b6b0620e80b0a083681
[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" "249cd0b49b664af9ea274d6ed7c8bf681eb9d7ae148f5b6b0620e80b0a083681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "249cd0b49b664af9ea274d6ed7c8bf681eb9d7ae148f5b6b0620e80b0a083681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249cd0b49b664af9ea274d6ed7c8bf681eb9d7ae148f5b6b0620e80b0a083681", kill_on_drop: false }`
[INFO] [stdout] 249cd0b49b664af9ea274d6ed7c8bf681eb9d7ae148f5b6b0620e80b0a083681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e10d3bdbb5669a6c7fb053a0585b705f674febb7390417e259850127387c9c9
[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" "5e10d3bdbb5669a6c7fb053a0585b705f674febb7390417e259850127387c9c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking ndarray v0.13.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pyo3-derive-backend v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling ctor v0.1.14
[INFO] [stderr]    Compiling paste-impl v0.1.11
[INFO] [stderr]    Compiling inventory-impl v0.1.6
[INFO] [stderr]    Compiling indoc-impl v0.3.5
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling pyo3cls v0.9.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking paste v0.1.11
[INFO] [stderr]     Checking indoc v0.3.5
[INFO] [stderr]     Checking inventory v0.1.6
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking grex v1.1.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling pyo3 v0.9.2
[INFO] [stderr]     Checking pygrex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.67s
[INFO] running `Command { std: "docker" "inspect" "5e10d3bdbb5669a6c7fb053a0585b705f674febb7390417e259850127387c9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e10d3bdbb5669a6c7fb053a0585b705f674febb7390417e259850127387c9c9", kill_on_drop: false }`
[INFO] [stdout] 5e10d3bdbb5669a6c7fb053a0585b705f674febb7390417e259850127387c9c9