[INFO] fetching crate parsed 0.3.0...
[INFO] building parsed-0.3.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate parsed 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate parsed 0.3.0
[INFO] finished tweaking crates.io crate parsed 0.3.0
[INFO] tweaked toml for crates.io crate parsed 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate parsed 0.3.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding quickcheck v0.9.2 (available: v1.0.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd6f50fcf77bc60587292959bbc63a035d3abc4a5832a8661b4a2378dd0a2c3c
[INFO] running `Command { std: "docker" "start" "-a" "fd6f50fcf77bc60587292959bbc63a035d3abc4a5832a8661b4a2378dd0a2c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd6f50fcf77bc60587292959bbc63a035d3abc4a5832a8661b4a2378dd0a2c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6f50fcf77bc60587292959bbc63a035d3abc4a5832a8661b4a2378dd0a2c3c", kill_on_drop: false }`
[INFO] [stdout] fd6f50fcf77bc60587292959bbc63a035d3abc4a5832a8661b4a2378dd0a2c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18963862a4833a183f1b59558dc140cff124d35714e584fd039ebb1a54d21e38
[INFO] running `Command { std: "docker" "start" "-a" "18963862a4833a183f1b59558dc140cff124d35714e584fd039ebb1a54d21e38", kill_on_drop: false }`
[INFO] [stderr]    Compiling parsed v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `offset` is never read
[INFO] [stdout]    --> src/matcher.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct MatchError {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 128 |     offset: usize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MatchError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 0.38s
[INFO] running `Command { std: "docker" "inspect" "18963862a4833a183f1b59558dc140cff124d35714e584fd039ebb1a54d21e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18963862a4833a183f1b59558dc140cff124d35714e584fd039ebb1a54d21e38", kill_on_drop: false }`
[INFO] [stdout] 18963862a4833a183f1b59558dc140cff124d35714e584fd039ebb1a54d21e38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f54b16c36612b8b37145c410280ba3d97197545b071b50c8ee4bb2524468af02
[INFO] running `Command { std: "docker" "start" "-a" "f54b16c36612b8b37145c410280ba3d97197545b071b50c8ee4bb2524468af02", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stdout] warning: field `offset` is never read
[INFO] [stdout]    --> src/matcher.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct MatchError {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 128 |     offset: usize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MatchError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling parsed v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `offset` is never read
[INFO] [stdout]    --> src/matcher.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct MatchError {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 128 |     offset: usize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MatchError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "f54b16c36612b8b37145c410280ba3d97197545b071b50c8ee4bb2524468af02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54b16c36612b8b37145c410280ba3d97197545b071b50c8ee4bb2524468af02", kill_on_drop: false }`
[INFO] [stdout] f54b16c36612b8b37145c410280ba3d97197545b071b50c8ee4bb2524468af02
