[INFO] fetching crate diffs 0.5.1...
[INFO] testing diffs-0.5.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate diffs 0.5.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate diffs 0.5.1
[INFO] finished tweaking crates.io crate diffs 0.5.1
[INFO] tweaked toml for crates.io crate diffs 0.5.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate diffs 0.5.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71ca6cf328d156c77ee4dcf25182a41affd851751010c5765149b0859a9cc141
[INFO] running `Command { std: "docker" "start" "-a" "71ca6cf328d156c77ee4dcf25182a41affd851751010c5765149b0859a9cc141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71ca6cf328d156c77ee4dcf25182a41affd851751010c5765149b0859a9cc141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ca6cf328d156c77ee4dcf25182a41affd851751010c5765149b0859a9cc141", kill_on_drop: false }`
[INFO] [stdout] 71ca6cf328d156c77ee4dcf25182a41affd851751010c5765149b0859a9cc141
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e682e990900faf0f7e22435095d7ab1b90606204ef6df37a765d58b5c7a6889
[INFO] running `Command { std: "docker" "start" "-a" "6e682e990900faf0f7e22435095d7ab1b90606204ef6df37a765d58b5c7a6889", kill_on_drop: false }`
[INFO] [stderr]    Compiling diffs v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "6e682e990900faf0f7e22435095d7ab1b90606204ef6df37a765d58b5c7a6889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e682e990900faf0f7e22435095d7ab1b90606204ef6df37a765d58b5c7a6889", kill_on_drop: false }`
[INFO] [stdout] 6e682e990900faf0f7e22435095d7ab1b90606204ef6df37a765d58b5c7a6889
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93dd662cdb5cb3a1459d73947685c9e51c522e62a9500c9773e1006b4a70ae9c
[INFO] running `Command { std: "docker" "start" "-a" "93dd662cdb5cb3a1459d73947685c9e51c522e62a9500c9773e1006b4a70ae9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling diffs v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `myers`, `Diff`, `Replace`
[INFO] [stdout]  --> src/test.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {myers, Diff, Replace};
[INFO] [stdout]   |      ^^^^^  ^^^^  ^^^^^^^ no external crate `Replace`
[INFO] [stdout]   |      |      |
[INFO] [stdout]   |      |      no external crate `Diff`
[INFO] [stdout]   |      no external crate `myers`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this module instead:
[INFO] [stdout]           crate::myers
[INFO] [stdout]   = help: consider importing this trait instead:
[INFO] [stdout]           crate::Diff
[INFO] [stdout]   = help: consider importing this struct through its public re-export instead:
[INFO] [stdout]           crate::Replace
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: function `myers` is not a crate or module
[INFO] [stdout]    --> src/replace.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 161 |     myers::diff(&mut d, a, 0, a.len(), b, 0, b.len()).unwrap();
[INFO] [stdout]     |     ^^^^^ function `myers` is not a crate or module
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::myers;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `myers`
[INFO] [stdout]    --> src/replace.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     use myers;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diffs` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "93dd662cdb5cb3a1459d73947685c9e51c522e62a9500c9773e1006b4a70ae9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93dd662cdb5cb3a1459d73947685c9e51c522e62a9500c9773e1006b4a70ae9c", kill_on_drop: false }`
[INFO] [stdout] 93dd662cdb5cb3a1459d73947685c9e51c522e62a9500c9773e1006b4a70ae9c