[INFO] fetching crate kalk_cli 0.5.4...
[INFO] testing kalk_cli-0.5.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate kalk_cli 0.5.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate kalk_cli 0.5.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kalk_cli 0.5.4
[INFO] finished tweaking crates.io crate kalk_cli 0.5.4
[INFO] tweaked toml for crates.io crate kalk_cli 0.5.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate kalk_cli 0.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fbdf786cb06c96346e228be049e10c0682cfcef9c3420ee3eea8a76674902ad
[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" "3fbdf786cb06c96346e228be049e10c0682cfcef9c3420ee3eea8a76674902ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fbdf786cb06c96346e228be049e10c0682cfcef9c3420ee3eea8a76674902ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbdf786cb06c96346e228be049e10c0682cfcef9c3420ee3eea8a76674902ad", kill_on_drop: false }`
[INFO] [stdout] 3fbdf786cb06c96346e228be049e10c0682cfcef9c3420ee3eea8a76674902ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 605dab0df25981904a60d7cdbd60b8adf65e26d7ba7e190d546a2a0a1fa7fd94
[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" "605dab0df25981904a60d7cdbd60b8adf65e26d7ba7e190d546a2a0a1fa7fd94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.5
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling rug v1.12.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]    Compiling kalk_cli v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling seahorse v1.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]    Compiling rustyline v7.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "605dab0df25981904a60d7cdbd60b8adf65e26d7ba7e190d546a2a0a1fa7fd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605dab0df25981904a60d7cdbd60b8adf65e26d7ba7e190d546a2a0a1fa7fd94", kill_on_drop: false }`
[INFO] [stdout] 605dab0df25981904a60d7cdbd60b8adf65e26d7ba7e190d546a2a0a1fa7fd94