[INFO] fetching crate kalk_cli 0.3.12...
[INFO] checking kalk_cli-0.3.12 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate kalk_cli 0.3.12 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kalk_cli 0.3.12 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kalk_cli 0.3.12
[INFO] finished tweaking crates.io crate kalk_cli 0.3.12
[INFO] tweaked toml for crates.io crate kalk_cli 0.3.12 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate kalk_cli 0.3.12 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 utf8parse v0.2.0
[INFO] [stderr]   Downloaded syn v1.0.57
[INFO] [stderr]   Downloaded rustyline v7.1.0
[INFO] [stderr]   Downloaded rug v1.11.0
[INFO] [stderr]   Downloaded seahorse v1.1.1
[INFO] [stderr]   Downloaded az v1.0.0
[INFO] [stderr]   Downloaded kalk v1.4.2
[INFO] [stderr]   Downloaded winres v0.1.11
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.2
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/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] 53829d2f039cff178f5892903d254fb3af69cfee9ba08a1cf8566b769c2d26f3
[INFO] running `Command { std: "docker" "start" "-a" "53829d2f039cff178f5892903d254fb3af69cfee9ba08a1cf8566b769c2d26f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53829d2f039cff178f5892903d254fb3af69cfee9ba08a1cf8566b769c2d26f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53829d2f039cff178f5892903d254fb3af69cfee9ba08a1cf8566b769c2d26f3", kill_on_drop: false }`
[INFO] [stdout] 53829d2f039cff178f5892903d254fb3af69cfee9ba08a1cf8566b769c2d26f3
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] e366e6d6621e68b8e9bf01b69bf4ff39d8f88b5011037991349fafa9ccc8466c
[INFO] running `Command { std: "docker" "start" "-a" "e366e6d6621e68b8e9bf01b69bf4ff39d8f88b5011037991349fafa9ccc8466c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]     Checking az v1.0.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling kalk_cli v0.3.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking seahorse v1.1.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]     Checking rustyline v7.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e366e6d6621e68b8e9bf01b69bf4ff39d8f88b5011037991349fafa9ccc8466c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e366e6d6621e68b8e9bf01b69bf4ff39d8f88b5011037991349fafa9ccc8466c", kill_on_drop: false }`
[INFO] [stdout] e366e6d6621e68b8e9bf01b69bf4ff39d8f88b5011037991349fafa9ccc8466c