[INFO] fetching crate canadensis_serial 0.2.0...
[INFO] checking canadensis_serial-0.2.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate canadensis_serial 0.2.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate canadensis_serial 0.2.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate canadensis_serial 0.2.0
[INFO] finished tweaking crates.io crate canadensis_serial 0.2.0
[INFO] tweaked toml for crates.io crate canadensis_serial 0.2.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded critical-section v0.2.5
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.5
[INFO] [stderr]   Downloaded zerocopy v0.6.1
[INFO] [stderr]   Downloaded heapless v0.7.8
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.1
[INFO] [stderr]   Downloaded canadensis_core v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4908ad5a702cdd53b4a9c9e3f5aa73acac616ed56103b03ffc168d5f10ff01a1
[INFO] running `Command { std: "docker" "start" "-a" "4908ad5a702cdd53b4a9c9e3f5aa73acac616ed56103b03ffc168d5f10ff01a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4908ad5a702cdd53b4a9c9e3f5aa73acac616ed56103b03ffc168d5f10ff01a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4908ad5a702cdd53b4a9c9e3f5aa73acac616ed56103b03ffc168d5f10ff01a1", kill_on_drop: false }`
[INFO] [stdout] 4908ad5a702cdd53b4a9c9e3f5aa73acac616ed56103b03ffc168d5f10ff01a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b809f9fde82e4e95a9a387e5e68802dbd58e51fc68ebe97fa3aaadf017105c51
[INFO] running `Command { std: "docker" "start" "-a" "b809f9fde82e4e95a9a387e5e68802dbd58e51fc68ebe97fa3aaadf017105c51", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling heapless v0.7.8
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking debug-helper v0.3.12
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking crc-any v2.4.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fallible_collections v0.4.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simplelog v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zerocopy-derive v0.3.1
[INFO] [stderr]    Compiling hash32-derive v0.1.1
[INFO] [stderr]     Checking canadensis_core v0.2.1
[INFO] [stderr]     Checking zerocopy v0.6.1
[INFO] [stderr]     Checking canadensis_serial v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.94s
[INFO] running `Command { std: "docker" "inspect" "b809f9fde82e4e95a9a387e5e68802dbd58e51fc68ebe97fa3aaadf017105c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b809f9fde82e4e95a9a387e5e68802dbd58e51fc68ebe97fa3aaadf017105c51", kill_on_drop: false }`
[INFO] [stdout] b809f9fde82e4e95a9a387e5e68802dbd58e51fc68ebe97fa3aaadf017105c51