[INFO] fetching crate twiggy-traits 0.8.0... [INFO] testing twiggy-traits-0.8.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate twiggy-traits 0.8.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate twiggy-traits 0.8.0 [INFO] finished tweaking crates.io crate twiggy-traits 0.8.0 [INFO] tweaked toml for crates.io crate twiggy-traits 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate twiggy-traits 0.8.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate twiggy-traits 0.8.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded frozen v1.0.0 [INFO] [stderr] Downloaded twiggy-ir v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d99cba7336aa1d510abdcb986e0102dbfff6c2ddbbbad8203967cd5796fcce5 [INFO] running `Command { std: "docker" "start" "-a" "3d99cba7336aa1d510abdcb986e0102dbfff6c2ddbbbad8203967cd5796fcce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d99cba7336aa1d510abdcb986e0102dbfff6c2ddbbbad8203967cd5796fcce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d99cba7336aa1d510abdcb986e0102dbfff6c2ddbbbad8203967cd5796fcce5", kill_on_drop: false }` [INFO] [stdout] 3d99cba7336aa1d510abdcb986e0102dbfff6c2ddbbbad8203967cd5796fcce5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca53feb851dabcc257bd4589a12c84a5e3aef8530c1d8ec0687c3eebfd949b38 [INFO] running `Command { std: "docker" "start" "-a" "ca53feb851dabcc257bd4589a12c84a5e3aef8530c1d8ec0687c3eebfd949b38", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling cpp_demangle v0.3.5 [INFO] [stderr] Compiling thiserror v1.0.40 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Compiling anyhow v1.0.70 [INFO] [stderr] Compiling fixedbitset v0.4.1 [INFO] [stderr] Compiling frozen v1.0.0 [INFO] [stderr] Compiling itoa v1.0.5 [INFO] [stderr] Compiling ryu v1.0.10 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling wasmparser v0.80.2 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling petgraph v0.6.2 [INFO] [stderr] Compiling csv v1.2.2 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Compiling thiserror-impl v1.0.40 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling twiggy-ir v0.8.0 [INFO] [stderr] Compiling twiggy-traits v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `items` [INFO] [stdout] --> traits.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | items: &ir::Items, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> traits.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | destination: &mut dyn io::Write, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.40s [INFO] running `Command { std: "docker" "inspect" "ca53feb851dabcc257bd4589a12c84a5e3aef8530c1d8ec0687c3eebfd949b38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca53feb851dabcc257bd4589a12c84a5e3aef8530c1d8ec0687c3eebfd949b38", kill_on_drop: false }` [INFO] [stdout] ca53feb851dabcc257bd4589a12c84a5e3aef8530c1d8ec0687c3eebfd949b38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da5db58060429bcdf8d4ac40cc1095833916050b45e784f9a0ebd38ea70f48f9 [INFO] running `Command { std: "docker" "start" "-a" "da5db58060429bcdf8d4ac40cc1095833916050b45e784f9a0ebd38ea70f48f9", kill_on_drop: false }` [INFO] [stderr] Compiling twiggy-traits v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `items` [INFO] [stdout] --> traits.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | items: &ir::Items, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> traits.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | destination: &mut dyn io::Write, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `items` [INFO] [stdout] --> traits.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | items: &ir::Items, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> traits.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | destination: &mut dyn io::Write, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "da5db58060429bcdf8d4ac40cc1095833916050b45e784f9a0ebd38ea70f48f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da5db58060429bcdf8d4ac40cc1095833916050b45e784f9a0ebd38ea70f48f9", kill_on_drop: false }` [INFO] [stdout] da5db58060429bcdf8d4ac40cc1095833916050b45e784f9a0ebd38ea70f48f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 58c2c6ba5340d4237f34e578526a7de65d6484e08f59fb92dc4c421c39d292b4 [INFO] running `Command { std: "docker" "start" "-a" "58c2c6ba5340d4237f34e578526a7de65d6484e08f59fb92dc4c421c39d292b4", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `items` [INFO] [stderr] --> traits.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | items: &ir::Items, [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `destination` [INFO] [stderr] --> traits.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | destination: &mut dyn io::Write, [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [INFO] [stderr] [INFO] [stderr] warning: `twiggy-traits` (lib) generated 2 warnings [INFO] [stderr] warning: `twiggy-traits` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests traits.rs (/opt/rustwide/target/debug/deps/twiggy_traits-db9e632f2889d55f) [INFO] [stdout] [INFO] [stderr] Doc-tests twiggy_traits [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] [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" "58c2c6ba5340d4237f34e578526a7de65d6484e08f59fb92dc4c421c39d292b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58c2c6ba5340d4237f34e578526a7de65d6484e08f59fb92dc4c421c39d292b4", kill_on_drop: false }` [INFO] [stdout] 58c2c6ba5340d4237f34e578526a7de65d6484e08f59fb92dc4c421c39d292b4