[INFO] fetching crate stepper 0.5.0...
[INFO] checking stepper-0.5.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate stepper 0.5.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate stepper 0.5.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stepper 0.5.0
[INFO] finished tweaking crates.io crate stepper 0.5.0
[INFO] tweaked toml for crates.io crate stepper 0.5.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a54c85dd9f7500e749b9e1f1a10651804a94ae0e3675e0cd9ac757070ff3e95
[INFO] running `Command { std: "docker" "start" "-a" "6a54c85dd9f7500e749b9e1f1a10651804a94ae0e3675e0cd9ac757070ff3e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a54c85dd9f7500e749b9e1f1a10651804a94ae0e3675e0cd9ac757070ff3e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a54c85dd9f7500e749b9e1f1a10651804a94ae0e3675e0cd9ac757070ff3e95", kill_on_drop: false }`
[INFO] [stdout] 6a54c85dd9f7500e749b9e1f1a10651804a94ae0e3675e0cd9ac757070ff3e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6f2bf4c511a9887fb3b610d7221747d9d2f2e792a03b1466cf0a80913bb65f3
[INFO] running `Command { std: "docker" "start" "-a" "d6f2bf4c511a9887fb3b610d7221747d9d2f2e792a03b1466cf0a80913bb65f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling az v1.1.2
[INFO] [stderr]    Compiling fixed v1.10.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.10.1
[INFO] [stderr]     Checking fixed-sqrt v0.2.4
[INFO] [stderr]     Checking ramp-maker v0.2.0
[INFO] [stderr]     Checking stepper v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.41s
[INFO] running `Command { std: "docker" "inspect" "d6f2bf4c511a9887fb3b610d7221747d9d2f2e792a03b1466cf0a80913bb65f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f2bf4c511a9887fb3b610d7221747d9d2f2e792a03b1466cf0a80913bb65f3", kill_on_drop: false }`
[INFO] [stdout] d6f2bf4c511a9887fb3b610d7221747d9d2f2e792a03b1466cf0a80913bb65f3