[INFO] fetching crate canadensis_serial 0.2.1...
[INFO] checking canadensis_serial-0.2.1 against master#8c6ce6b91b172f77c795a74bfeaf74b865146b3f for pr-101345
[INFO] extracting crate canadensis_serial 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate canadensis_serial 0.2.1 on toolchain 8c6ce6b91b172f77c795a74bfeaf74b865146b3f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate canadensis_serial 0.2.1
[INFO] finished tweaking crates.io crate canadensis_serial 0.2.1
[INFO] tweaked toml for crates.io crate canadensis_serial 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.10.2
[INFO] [stderr]   Downloaded debug-helper v0.3.13
[INFO] [stderr]   Downloaded crc-any v2.4.3
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.1
[INFO] [stderr]   Downloaded zerocopy v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0f3cf66cc51289d214b30f9b23db3e6e5fb768d4b36f3e659494ca900f49677
[INFO] running `Command { std: "docker" "start" "-a" "a0f3cf66cc51289d214b30f9b23db3e6e5fb768d4b36f3e659494ca900f49677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0f3cf66cc51289d214b30f9b23db3e6e5fb768d4b36f3e659494ca900f49677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f3cf66cc51289d214b30f9b23db3e6e5fb768d4b36f3e659494ca900f49677", kill_on_drop: false }`
[INFO] [stdout] a0f3cf66cc51289d214b30f9b23db3e6e5fb768d4b36f3e659494ca900f49677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cf472f197823c08677602d2132fc4a79d6b98c1c872af388bbf2a5cbbddaec5
[INFO] running `Command { std: "docker" "start" "-a" "5cf472f197823c08677602d2132fc4a79d6b98c1c872af388bbf2a5cbbddaec5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking debug-helper v0.3.13
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking iana-time-zone v0.1.47
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking crc-any v2.4.3
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking fallible_collections v0.4.5
[INFO] [stderr]     Checking simplelog v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling hash32-derive v0.1.1
[INFO] [stderr]    Compiling zerocopy-derive v0.3.1
[INFO] [stderr]     Checking canadensis_core v0.2.2
[INFO] [stderr]     Checking zerocopy v0.6.1
[INFO] [stderr]     Checking canadensis_serial v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.43s
[INFO] running `Command { std: "docker" "inspect" "5cf472f197823c08677602d2132fc4a79d6b98c1c872af388bbf2a5cbbddaec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf472f197823c08677602d2132fc4a79d6b98c1c872af388bbf2a5cbbddaec5", kill_on_drop: false }`
[INFO] [stdout] 5cf472f197823c08677602d2132fc4a79d6b98c1c872af388bbf2a5cbbddaec5