[INFO] fetching crate heckcheck 2.0.1... [INFO] testing heckcheck-2.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate heckcheck 2.0.1 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate heckcheck 2.0.1 [INFO] finished tweaking crates.io crate heckcheck 2.0.1 [INFO] tweaked toml for crates.io crate heckcheck 2.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate heckcheck 2.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.13.1 (available: v0.22.1) [INFO] [stderr] Adding rand v0.8.5 (available: v0.10.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7514fb4f9fd058e6b080826d0378b57403fb4a61239e91bc2a7cd32890d19c73 [INFO] running `Command { std: "docker" "start" "-a" "7514fb4f9fd058e6b080826d0378b57403fb4a61239e91bc2a7cd32890d19c73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7514fb4f9fd058e6b080826d0378b57403fb4a61239e91bc2a7cd32890d19c73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7514fb4f9fd058e6b080826d0378b57403fb4a61239e91bc2a7cd32890d19c73", kill_on_drop: false }` [INFO] [stdout] 7514fb4f9fd058e6b080826d0378b57403fb4a61239e91bc2a7cd32890d19c73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6365cdd5045d8001d262521c9ded2c883c710a992eea81333886d790920791e4 [INFO] running `Command { std: "docker" "start" "-a" "6365cdd5045d8001d262521c9ded2c883c710a992eea81333886d790920791e4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.184 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Compiling zerocopy v0.8.48 [INFO] [stderr] Compiling base64 v0.13.1 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling getrandom v0.2.17 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling derive_arbitrary v1.4.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling arbitrary v1.4.2 [INFO] [stderr] Compiling heckcheck v2.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `ZeroShrinker` is never constructed [INFO] [stdout] --> src/shrinker.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | struct ZeroShrinker { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `find_next_index_to_zeroify` is never used [INFO] [stdout] --> src/shrinker.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 44 | impl ZeroShrinker { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 45 | /// Find the next index to alter, skipping indices that already contain zeroes. [INFO] [stdout] 46 | fn find_next_index_to_zeroify(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.27s [INFO] running `Command { std: "docker" "inspect" "6365cdd5045d8001d262521c9ded2c883c710a992eea81333886d790920791e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6365cdd5045d8001d262521c9ded2c883c710a992eea81333886d790920791e4", kill_on_drop: false }` [INFO] [stdout] 6365cdd5045d8001d262521c9ded2c883c710a992eea81333886d790920791e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b5ae300918de01957c1a50549428a24789026f0db64bcd7ae11293367953883 [INFO] running `Command { std: "docker" "start" "-a" "6b5ae300918de01957c1a50549428a24789026f0db64bcd7ae11293367953883", kill_on_drop: false }` [INFO] [stdout] warning: struct `ZeroShrinker` is never constructed [INFO] [stdout] --> src/shrinker.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | struct ZeroShrinker { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `find_next_index_to_zeroify` is never used [INFO] [stdout] --> src/shrinker.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 44 | impl ZeroShrinker { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 45 | /// Find the next index to alter, skipping indices that already contain zeroes. [INFO] [stdout] 46 | fn find_next_index_to_zeroify(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling heckcheck v2.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `ZeroShrinker` is never constructed [INFO] [stdout] --> src/shrinker.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | struct ZeroShrinker { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `find_next_index_to_zeroify` is never used [INFO] [stdout] --> src/shrinker.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 44 | impl ZeroShrinker { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 45 | /// Find the next index to alter, skipping indices that already contain zeroes. [INFO] [stdout] 46 | fn find_next_index_to_zeroify(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "6b5ae300918de01957c1a50549428a24789026f0db64bcd7ae11293367953883", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b5ae300918de01957c1a50549428a24789026f0db64bcd7ae11293367953883", kill_on_drop: false }` [INFO] [stdout] 6b5ae300918de01957c1a50549428a24789026f0db64bcd7ae11293367953883 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8afd236c650c4df478a21dab88325f394ba974c4ab500b9c14a47fce9196c9a0 [INFO] running `Command { std: "docker" "start" "-a" "8afd236c650c4df478a21dab88325f394ba974c4ab500b9c14a47fce9196c9a0", kill_on_drop: false }` [INFO] [stderr] warning: struct `ZeroShrinker` is never constructed [INFO] [stderr] --> src/shrinker.rs:38:8 [INFO] [stderr] | [INFO] [stderr] 38 | struct ZeroShrinker { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `find_next_index_to_zeroify` is never used [INFO] [stderr] --> src/shrinker.rs:46:8 [INFO] [stderr] | [INFO] [stderr] 44 | impl ZeroShrinker { [INFO] [stderr] | ----------------- method in this implementation [INFO] [stderr] 45 | /// Find the next index to alter, skipping indices that already contain zeroes. [INFO] [stderr] 46 | fn find_next_index_to_zeroify(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `heckcheck` (lib) generated 2 warnings [INFO] [stderr] warning: `heckcheck` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/heckcheck-d3a2a1c25994fbe8) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/test.rs (/opt/rustwide/target/debug/deps/test-16e4cbfdb3e05d5a) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test panics_on_bug - should panic ... ok [INFO] [stdout] test smoke ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests heckcheck [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 82) ... ok [INFO] [stdout] test src/lib.rs - (line 17) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8afd236c650c4df478a21dab88325f394ba974c4ab500b9c14a47fce9196c9a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8afd236c650c4df478a21dab88325f394ba974c4ab500b9c14a47fce9196c9a0", kill_on_drop: false }` [INFO] [stdout] 8afd236c650c4df478a21dab88325f394ba974c4ab500b9c14a47fce9196c9a0