[INFO] fetching crate kalker 2.2.2...
[INFO] checking kalker-2.2.2 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] extracting crate kalker 2.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate kalker 2.2.2
[INFO] finished tweaking crates.io crate kalker 2.2.2
[INFO] tweaked toml for crates.io crate kalker 2.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kalker 2.2.2 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kalker 2.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seahorse v1.1.2
[INFO] [stderr]   Downloaded kalk v3.2.2
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded rustyline v7.1.0
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded rug v1.27.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7fb6faf9b193094df81d590351e368a1f1c0948aad096d842ae0e16126c91baf
[INFO] running `Command { std: "docker" "start" "7fb6faf9b193094df81d590351e368a1f1c0948aad096d842ae0e16126c91baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7fb6faf9b193094df81d590351e368a1f1c0948aad096d842ae0e16126c91baf" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb6faf9b193094df81d590351e368a1f1c0948aad096d842ae0e16126c91baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7fb6faf9b193094df81d590351e368a1f1c0948aad096d842ae0e16126c91baf" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.5
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.27.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling kalker v2.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking seahorse v1.1.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking regex-automata v0.4.9
[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 v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]     Checking rustyline v7.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]     Checking kalk v3.2.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 16s
[INFO] running `Command { std: "docker" "inspect" "7fb6faf9b193094df81d590351e368a1f1c0948aad096d842ae0e16126c91baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb6faf9b193094df81d590351e368a1f1c0948aad096d842ae0e16126c91baf", kill_on_drop: false }`
[INFO] [stdout] 7fb6faf9b193094df81d590351e368a1f1c0948aad096d842ae0e16126c91baf