[INFO] fetching crate mwc_core 5.3.9...
[INFO] checking mwc_core-5.3.9 against try#21cad1f647cfd05a566220f933edd88a53e50bcf for pr-129249-1
[INFO] extracting crate mwc_core 5.3.9 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mwc_core 5.3.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mwc_core 5.3.9
[INFO] tweaked toml for crates.io crate mwc_core 5.3.9 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mwc_core 5.3.9 on toolchain 21cad1f647cfd05a566220f933edd88a53e50bcf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mwc_core 5.3.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 75b3d955e66fceaba6c68313c853dd092e42dc8cb111b1a0ab01b9d9c0a958e6
[INFO] running `Command { std: "docker" "start" "75b3d955e66fceaba6c68313c853dd092e42dc8cb111b1a0ab01b9d9c0a958e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "75b3d955e66fceaba6c68313c853dd092e42dc8cb111b1a0ab01b9d9c0a958e6" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b3d955e66fceaba6c68313c853dd092e42dc8cb111b1a0ab01b9d9c0a958e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "75b3d955e66fceaba6c68313c853dd092e42dc8cb111b1a0ab01b9d9c0a958e6" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
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[INFO] [stderr]     Checking mwc_core v5.3.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> src/pow/common.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Edge {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestElem` is never constructed
[INFO] [stdout]    --> tests/common.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | pub struct TestElem(pub [u32; 4]);
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> src/pow/common.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Edge {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.52s
[INFO] running `Command { std: "docker" "inspect" "75b3d955e66fceaba6c68313c853dd092e42dc8cb111b1a0ab01b9d9c0a958e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b3d955e66fceaba6c68313c853dd092e42dc8cb111b1a0ab01b9d9c0a958e6", kill_on_drop: false }`
[INFO] [stdout] 75b3d955e66fceaba6c68313c853dd092e42dc8cb111b1a0ab01b9d9c0a958e6
