[INFO] fetching crate heapless 0.7.16...
[INFO] checking heapless-0.7.16 against master#7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e for pr-102091
[INFO] extracting crate heapless 0.7.16 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate heapless 0.7.16 on toolchain 7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heapless 0.7.16
[INFO] finished tweaking crates.io crate heapless 0.7.16
[INFO] tweaked toml for crates.io crate heapless 0.7.16 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt v0.1.2
[INFO] [stderr]   Downloaded defmt-parser v0.3.1
[INFO] [stderr]   Downloaded ufmt-macros v0.2.0
[INFO] [stderr]   Downloaded defmt-macros v0.3.2
[INFO] [stderr]   Downloaded defmt v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c53f83539154940722030dd64245eddae89c82d52e671bc479719f8f54be7ca8
[INFO] running `Command { std: "docker" "start" "-a" "c53f83539154940722030dd64245eddae89c82d52e671bc479719f8f54be7ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c53f83539154940722030dd64245eddae89c82d52e671bc479719f8f54be7ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53f83539154940722030dd64245eddae89c82d52e671bc479719f8f54be7ca8", kill_on_drop: false }`
[INFO] [stdout] c53f83539154940722030dd64245eddae89c82d52e671bc479719f8f54be7ca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5d4a2e9c96ab540342e7e0de5d91e9095b6508ec41cb1b6bf6afe52cbc45f38
[INFO] running `Command { std: "docker" "start" "-a" "c5d4a2e9c96ab540342e7e0de5d91e9095b6508ec41cb1b6bf6afe52cbc45f38", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling heapless v0.7.16 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ufmt-macros v0.2.0
[INFO] [stderr]     Checking ufmt v0.1.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.80s
[INFO] running `Command { std: "docker" "inspect" "c5d4a2e9c96ab540342e7e0de5d91e9095b6508ec41cb1b6bf6afe52cbc45f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d4a2e9c96ab540342e7e0de5d91e9095b6508ec41cb1b6bf6afe52cbc45f38", kill_on_drop: false }`
[INFO] [stdout] c5d4a2e9c96ab540342e7e0de5d91e9095b6508ec41cb1b6bf6afe52cbc45f38