[INFO] fetching crate kalc-lib 1.5.1...
[INFO] checking kalc-lib-1.5.1 against master#518b428304e0008859cb1fd81d1ac20efb2a064a for pr-138961-2
[INFO] extracting crate kalc-lib 1.5.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate kalc-lib 1.5.1
[INFO] finished tweaking crates.io crate kalc-lib 1.5.1
[INFO] tweaked toml for crates.io crate kalc-lib 1.5.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kalc-lib 1.5.1 on toolchain 518b428304e0008859cb1fd81d1ac20efb2a064a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kalc-lib 1.5.1 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" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-big-array v0.5.1
[INFO] [stderr]   Downloaded redox_users v0.5.0
[INFO] [stderr]   Downloaded redox_syscall v0.5.12
[INFO] [stderr]   Downloaded smallvec v1.15.0
[INFO] [stderr]   Downloaded litrs v0.4.1
[INFO] [stderr]   Downloaded bnum v0.12.1
[INFO] [stderr]   Downloaded fastnum v0.2.9
[INFO] [stderr]   Downloaded syn v2.0.101
[INFO] [stderr]   Downloaded rug v1.27.0
[INFO] [stderr]   Downloaded libc v0.2.172
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.4
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 814922ac9ba0e261c4727514ec318917d817c46c77a094cf892fada2577959a2
[INFO] running `Command { std: "docker" "start" "-a" "814922ac9ba0e261c4727514ec318917d817c46c77a094cf892fada2577959a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "814922ac9ba0e261c4727514ec318917d817c46c77a094cf892fada2577959a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814922ac9ba0e261c4727514ec318917d817c46c77a094cf892fada2577959a2", kill_on_drop: false }`
[INFO] [stdout] 814922ac9ba0e261c4727514ec318917d817c46c77a094cf892fada2577959a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e47b7bae08d0e49906060ac67461cf5de5a6d41526a32fec4c26c7575659c64
[INFO] running `Command { std: "docker" "start" "-a" "6e47b7bae08d0e49906060ac67461cf5de5a6d41526a32fec4c26c7575659c64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.5
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.27.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling fastnum v0.2.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde-big-array v0.5.1
[INFO] [stderr]     Checking bnum v0.12.1
[INFO] [stderr]     Checking kalc-lib v1.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 3m 33s
[INFO] running `Command { std: "docker" "inspect" "6e47b7bae08d0e49906060ac67461cf5de5a6d41526a32fec4c26c7575659c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e47b7bae08d0e49906060ac67461cf5de5a6d41526a32fec4c26c7575659c64", kill_on_drop: false }`
[INFO] [stdout] 6e47b7bae08d0e49906060ac67461cf5de5a6d41526a32fec4c26c7575659c64