[INFO] fetching crate stepper 0.6.0...
[INFO] checking stepper-0.6.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate stepper 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate stepper 0.6.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stepper 0.6.0
[INFO] finished tweaking crates.io crate stepper 0.6.0
[INFO] tweaked toml for crates.io crate stepper 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--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]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding embedded-hal v1.0.0-alpha.8 (latest: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcd v2.3.0
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded ramp-maker v0.2.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.8
[INFO] [stderr]   Downloaded fugit v0.3.7
[INFO] [stderr]   Downloaded fixed-sqrt v0.2.5
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 922eeca9c041548a882b499711a39522e7bc68c07d595c482bdb7d65cc4e6c55
[INFO] running `Command { std: "docker" "start" "-a" "922eeca9c041548a882b499711a39522e7bc68c07d595c482bdb7d65cc4e6c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "922eeca9c041548a882b499711a39522e7bc68c07d595c482bdb7d65cc4e6c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "922eeca9c041548a882b499711a39522e7bc68c07d595c482bdb7d65cc4e6c55", kill_on_drop: false }`
[INFO] [stdout] 922eeca9c041548a882b499711a39522e7bc68c07d595c482bdb7d65cc4e6c55
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5d0b560b26b3094c608e6f43aab9d1358c9072d185d151d4319ec5ac1c60e21
[INFO] running `Command { std: "docker" "start" "-a" "d5d0b560b26b3094c608e6f43aab9d1358c9072d185d151d4319ec5ac1c60e21", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling fixed v1.28.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking bytemuck v1.17.1
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.8
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking fixed-sqrt v0.2.5
[INFO] [stderr]     Checking ramp-maker v0.2.0
[INFO] [stderr]     Checking stepper v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.13s
[INFO] running `Command { std: "docker" "inspect" "d5d0b560b26b3094c608e6f43aab9d1358c9072d185d151d4319ec5ac1c60e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d0b560b26b3094c608e6f43aab9d1358c9072d185d151d4319ec5ac1c60e21", kill_on_drop: false }`
[INFO] [stdout] d5d0b560b26b3094c608e6f43aab9d1358c9072d185d151d4319ec5ac1c60e21