[INFO] fetching crate kalker 1.0.1...
[INFO] checking kalker-1.0.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate kalker 1.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate kalker 1.0.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kalker 1.0.1
[INFO] finished tweaking crates.io crate kalker 1.0.1
[INFO] tweaked toml for crates.io crate kalker 1.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate kalker 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded rustyline v7.1.0
[INFO] [stderr]   Downloaded kalk v2.1.2
[INFO] [stderr]   Downloaded winres v0.1.12
[INFO] [stderr]   Downloaded az v1.1.2
[INFO] [stderr]   Downloaded rug v1.13.0
[INFO] [stderr]   Downloaded seahorse v1.1.2
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.7
[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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 899dce42579134cd044067e79d5c1f844ce9776f489afc7e1b005a7a951710a1
[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" "899dce42579134cd044067e79d5c1f844ce9776f489afc7e1b005a7a951710a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "899dce42579134cd044067e79d5c1f844ce9776f489afc7e1b005a7a951710a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "899dce42579134cd044067e79d5c1f844ce9776f489afc7e1b005a7a951710a1", kill_on_drop: false }`
[INFO] [stdout] 899dce42579134cd044067e79d5c1f844ce9776f489afc7e1b005a7a951710a1
[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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] c072f9a2a03f0672b47db79407539eda21ce1ba213a2d82c0a32c0b492f9afd0
[INFO] running `Command { std: "docker" "start" "-a" "c072f9a2a03f0672b47db79407539eda21ce1ba213a2d82c0a32c0b492f9afd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bumpalo v3.7.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling az v1.1.2
[INFO] [stderr]    Compiling rug v1.13.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling kalker v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking seahorse v1.1.2
[INFO] [stderr]     Checking memchr v2.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]     Checking rustyline v7.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]     Checking wasm-bindgen v0.2.78
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "c072f9a2a03f0672b47db79407539eda21ce1ba213a2d82c0a32c0b492f9afd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c072f9a2a03f0672b47db79407539eda21ce1ba213a2d82c0a32c0b492f9afd0", kill_on_drop: false }`
[INFO] [stdout] c072f9a2a03f0672b47db79407539eda21ce1ba213a2d82c0a32c0b492f9afd0