[INFO] fetching crate payload 0.1.0-alpha.3...
[INFO] checking payload-0.1.0-alpha.3 against master#8c6ce6b91b172f77c795a74bfeaf74b865146b3f for pr-101345
[INFO] extracting crate payload 0.1.0-alpha.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate payload 0.1.0-alpha.3 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 payload 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate payload 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate payload 0.1.0-alpha.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate payload 0.1.0-alpha.3 already has a lockfile, it will not be regenerated
[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 target-lexicon-macros v0.1.0-alpha.1
[INFO] [stderr]   Downloaded color-eyre v0.6.1
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44455a38f1d169b31c1c7e96c595306d9ee7311d59029f13bd5ad03e1422b613
[INFO] running `Command { std: "docker" "start" "-a" "44455a38f1d169b31c1c7e96c595306d9ee7311d59029f13bd5ad03e1422b613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44455a38f1d169b31c1c7e96c595306d9ee7311d59029f13bd5ad03e1422b613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44455a38f1d169b31c1c7e96c595306d9ee7311d59029f13bd5ad03e1422b613", kill_on_drop: false }`
[INFO] [stdout] 44455a38f1d169b31c1c7e96c595306d9ee7311d59029f13bd5ad03e1422b613
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f3f015ed7ea0c9dc4561ebc6edc35974f3fbd8a5acf44008b6bfdeede231569
[INFO] running `Command { std: "docker" "start" "-a" "4f3f015ed7ea0c9dc4561ebc6edc35974f3fbd8a5acf44008b6bfdeede231569", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling semver v1.0.12
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking tracing-subscriber v0.3.14
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking color-eyre v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling target-lexicon-macros v0.1.0-alpha.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking payload v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> src/rustc/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Rustc {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 5 |     path: PathBuf,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> src/rustc/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Rustc {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 5 |     path: PathBuf,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.35s
[INFO] running `Command { std: "docker" "inspect" "4f3f015ed7ea0c9dc4561ebc6edc35974f3fbd8a5acf44008b6bfdeede231569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3f015ed7ea0c9dc4561ebc6edc35974f3fbd8a5acf44008b6bfdeede231569", kill_on_drop: false }`
[INFO] [stdout] 4f3f015ed7ea0c9dc4561ebc6edc35974f3fbd8a5acf44008b6bfdeede231569