[INFO] fetching crate twiggy-traits 0.7.0... [INFO] testing twiggy-traits-0.7.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate twiggy-traits 0.7.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate twiggy-traits 0.7.0 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate twiggy-traits 0.7.0 [INFO] finished tweaking crates.io crate twiggy-traits 0.7.0 [INFO] tweaked toml for crates.io crate twiggy-traits 0.7.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded frozen v1.0.0 [INFO] [stderr] Downloaded twiggy-ir v0.7.0 [INFO] [stderr] Downloaded wasmparser v0.35.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 611b94a2a0a681a17b121be8931ac8c47918c1b59d4483e0369377782add65aa [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "611b94a2a0a681a17b121be8931ac8c47918c1b59d4483e0369377782add65aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "611b94a2a0a681a17b121be8931ac8c47918c1b59d4483e0369377782add65aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "611b94a2a0a681a17b121be8931ac8c47918c1b59d4483e0369377782add65aa", kill_on_drop: false }` [INFO] [stdout] 611b94a2a0a681a17b121be8931ac8c47918c1b59d4483e0369377782add65aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d2b0a257b25da038e7d93b4bf18ca67e8085b7e0c4185cc23ab12d0e7f1f8f1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8d2b0a257b25da038e7d93b4bf18ca67e8085b7e0c4185cc23ab12d0e7f1f8f1", kill_on_drop: false }` [INFO] [stderr] Compiling cpp_demangle v0.3.5 [INFO] [stderr] Compiling fixedbitset v0.4.1 [INFO] [stderr] Compiling frozen v1.0.0 [INFO] [stderr] Compiling wasmparser v0.35.3 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling petgraph v0.6.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling twiggy-ir v0.7.0 [INFO] [stderr] Compiling twiggy-traits v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `items` [INFO] [stdout] --> traits.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | items: &ir::Items, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> traits.rs:225:9 [INFO] [stdout] | [INFO] [stdout] 225 | 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.09s [INFO] running `Command { std: "docker" "inspect" "8d2b0a257b25da038e7d93b4bf18ca67e8085b7e0c4185cc23ab12d0e7f1f8f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d2b0a257b25da038e7d93b4bf18ca67e8085b7e0c4185cc23ab12d0e7f1f8f1", kill_on_drop: false }` [INFO] [stdout] 8d2b0a257b25da038e7d93b4bf18ca67e8085b7e0c4185cc23ab12d0e7f1f8f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea5708e3dd7644723458d8e01c9f78b268ea796f7f1fa75f50234cbad363cca2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ea5708e3dd7644723458d8e01c9f78b268ea796f7f1fa75f50234cbad363cca2", kill_on_drop: false }` [INFO] [stderr] Compiling twiggy-traits v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `items` [INFO] [stdout] --> traits.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | items: &ir::Items, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> traits.rs:225:9 [INFO] [stdout] | [INFO] [stdout] 225 | 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `items` [INFO] [stdout] --> traits.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | items: &ir::Items, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> traits.rs:225:9 [INFO] [stdout] | [INFO] [stdout] 225 | 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.56s [INFO] running `Command { std: "docker" "inspect" "ea5708e3dd7644723458d8e01c9f78b268ea796f7f1fa75f50234cbad363cca2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea5708e3dd7644723458d8e01c9f78b268ea796f7f1fa75f50234cbad363cca2", kill_on_drop: false }` [INFO] [stdout] ea5708e3dd7644723458d8e01c9f78b268ea796f7f1fa75f50234cbad363cca2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3af38b490ef829b688cab3d818a15083ad05e76e700765b5c335049379721529 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3af38b490ef829b688cab3d818a15083ad05e76e700765b5c335049379721529", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `items` [INFO] [stderr] --> traits.rs:224:9 [INFO] [stderr] | [INFO] [stderr] 224 | items: &ir::Items, [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `destination` [INFO] [stderr] --> traits.rs:225:9 [INFO] [stderr] | [INFO] [stderr] 225 | 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 [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/twiggy_traits-73bce54b8a6c5da3) [INFO] [stdout] running 1 test [INFO] [stdout] test size_of_error_is_one_word ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests twiggy-traits [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" "3af38b490ef829b688cab3d818a15083ad05e76e700765b5c335049379721529", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3af38b490ef829b688cab3d818a15083ad05e76e700765b5c335049379721529", kill_on_drop: false }` [INFO] [stdout] 3af38b490ef829b688cab3d818a15083ad05e76e700765b5c335049379721529