[INFO] fetching crate diff-rs 0.2.3... [INFO] testing diff-rs-0.2.3 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate diff-rs 0.2.3 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate diff-rs 0.2.3 [INFO] finished tweaking crates.io crate diff-rs 0.2.3 [INFO] tweaked toml for crates.io crate diff-rs 0.2.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate diff-rs 0.2.3 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages to latest compatible versions [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.46) [INFO] [stderr] Adding diffs v0.2.1 (available: v0.5.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6c49e3fa8b9935f567d622abadb24dabb338e063a2b97ec1839135cfc2a97df [INFO] running `Command { std: "docker" "start" "-a" "b6c49e3fa8b9935f567d622abadb24dabb338e063a2b97ec1839135cfc2a97df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6c49e3fa8b9935f567d622abadb24dabb338e063a2b97ec1839135cfc2a97df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6c49e3fa8b9935f567d622abadb24dabb338e063a2b97ec1839135cfc2a97df", kill_on_drop: false }` [INFO] [stdout] b6c49e3fa8b9935f567d622abadb24dabb338e063a2b97ec1839135cfc2a97df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c003debcfe43db6b658eb9e9d2ecd06d8882645c76ae578e23fb0ea88b8c5a0b [INFO] running `Command { std: "docker" "start" "-a" "c003debcfe43db6b658eb9e9d2ecd06d8882645c76ae578e23fb0ea88b8c5a0b", kill_on_drop: false }` [INFO] [stderr] Compiling diffs v0.2.1 [INFO] [stderr] Compiling diff-rs v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | Reading(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 27 - Reading(io::Error), [INFO] [stdout] 27 + Reading(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 28 | ContextRadius(num::ParseIntError), [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 28 - ContextRadius(num::ParseIntError), [INFO] [stdout] 28 + ContextRadius(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | Filesystem(io::Error), [INFO] [stdout] | ---------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 29 - Filesystem(io::Error), [INFO] [stdout] 29 + Filesystem(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:30:10 [INFO] [stdout] | [INFO] [stdout] 30 | Diff(io::Error), [INFO] [stdout] | ---- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 30 - Diff(io::Error), [INFO] [stdout] 30 + Diff(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `Command { std: "docker" "inspect" "c003debcfe43db6b658eb9e9d2ecd06d8882645c76ae578e23fb0ea88b8c5a0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c003debcfe43db6b658eb9e9d2ecd06d8882645c76ae578e23fb0ea88b8c5a0b", kill_on_drop: false }` [INFO] [stdout] c003debcfe43db6b658eb9e9d2ecd06d8882645c76ae578e23fb0ea88b8c5a0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a10dc0a348f775a887c6abadd9aea633b69d2197ab1ad06fa2e7632ff4ffb487 [INFO] running `Command { std: "docker" "start" "-a" "a10dc0a348f775a887c6abadd9aea633b69d2197ab1ad06fa2e7632ff4ffb487", kill_on_drop: false }` [INFO] [stderr] Compiling diff-rs v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | Reading(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 27 - Reading(io::Error), [INFO] [stdout] 27 + Reading(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 28 | ContextRadius(num::ParseIntError), [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 28 - ContextRadius(num::ParseIntError), [INFO] [stdout] 28 + ContextRadius(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | Filesystem(io::Error), [INFO] [stdout] | ---------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 29 - Filesystem(io::Error), [INFO] [stdout] 29 + Filesystem(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:30:10 [INFO] [stdout] | [INFO] [stdout] 30 | Diff(io::Error), [INFO] [stdout] | ---- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 30 - Diff(io::Error), [INFO] [stdout] 30 + Diff(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "a10dc0a348f775a887c6abadd9aea633b69d2197ab1ad06fa2e7632ff4ffb487", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a10dc0a348f775a887c6abadd9aea633b69d2197ab1ad06fa2e7632ff4ffb487", kill_on_drop: false }` [INFO] [stdout] a10dc0a348f775a887c6abadd9aea633b69d2197ab1ad06fa2e7632ff4ffb487 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bd8735a03b39e13140f84cf25403ef779dabb9a602d71ff781dceb26e2a69d67 [INFO] running `Command { std: "docker" "start" "-a" "bd8735a03b39e13140f84cf25403ef779dabb9a602d71ff781dceb26e2a69d67", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | Reading(io::Error), [INFO] [stderr] | ------- ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 27 - Reading(io::Error), [INFO] [stderr] 27 + Reading(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:28:19 [INFO] [stderr] | [INFO] [stderr] 28 | ContextRadius(num::ParseIntError), [INFO] [stderr] | ------------- ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 28 - ContextRadius(num::ParseIntError), [INFO] [stderr] 28 + ContextRadius(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:29:16 [INFO] [stderr] | [INFO] [stderr] 29 | Filesystem(io::Error), [INFO] [stderr] | ---------- ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 29 - Filesystem(io::Error), [INFO] [stderr] 29 + Filesystem(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:30:10 [INFO] [stderr] | [INFO] [stderr] 30 | Diff(io::Error), [INFO] [stderr] | ---- ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 30 - Diff(io::Error), [INFO] [stderr] 30 + Diff(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `diff-rs` (bin "diff-rs" test) generated 4 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/diff_rs-95d02cc2ddc3b298) [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 unittests src/main.rs (/opt/rustwide/target/debug/deps/diff_rs-351d4872de868cb1) [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] Doc-tests diff_rs [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] running `Command { std: "docker" "inspect" "bd8735a03b39e13140f84cf25403ef779dabb9a602d71ff781dceb26e2a69d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd8735a03b39e13140f84cf25403ef779dabb9a602d71ff781dceb26e2a69d67", kill_on_drop: false }` [INFO] [stdout] bd8735a03b39e13140f84cf25403ef779dabb9a602d71ff781dceb26e2a69d67