[INFO] fetching crate flail 0.3.0... [INFO] checking flail-0.3.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate flail 0.3.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate flail 0.3.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate flail 0.3.0 [INFO] finished tweaking crates.io crate flail 0.3.0 [INFO] tweaked toml for crates.io crate flail 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 145 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding bindgen v0.65.1 (latest: v0.70.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding derive-getters v0.2.1 (latest: v0.5.0) [INFO] [stderr] Adding env_logger v0.7.1 (latest: v0.11.5) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding memoffset v0.7.1 (latest: v0.9.1) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding nix v0.26.4 (latest: v0.29.0) [INFO] [stderr] Adding peeking_take_while v0.1.2 (latest: v1.0.0) [INFO] [stderr] Adding pretty_env_logger v0.4.0 (latest: v0.5.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rustc-hash v1.1.0 (latest: v2.0.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding which v4.4.2 (latest: v6.0.3) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.58.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [INFO] [stderr] Adding yansi v0.5.1 (latest: v1.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ctor v0.2.8 [INFO] [stderr] Downloaded debug-ignore v1.0.5 [INFO] [stderr] Downloaded getset v0.1.2 [INFO] [stderr] Downloaded floppy-disk v0.2.6 [INFO] [stderr] Downloaded derive-getters v0.2.1 [INFO] [stderr] Downloaded rsfs-tokio v0.5.0 [INFO] [stderr] Downloaded bindgen v0.65.1 [INFO] [stderr] Downloaded libe2fs-sys v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c743c8e4b678b6188b29d2fcc3f95d88074dc5a9c385c17755a7135558866473 [INFO] running `Command { std: "docker" "start" "-a" "c743c8e4b678b6188b29d2fcc3f95d88074dc5a9c385c17755a7135558866473", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c743c8e4b678b6188b29d2fcc3f95d88074dc5a9c385c17755a7135558866473", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c743c8e4b678b6188b29d2fcc3f95d88074dc5a9c385c17755a7135558866473", kill_on_drop: false }` [INFO] [stdout] c743c8e4b678b6188b29d2fcc3f95d88074dc5a9c385c17755a7135558866473 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e438a2fa534c2ee0ff5e61431acbe2197bd4189de17894ccd0185feb6de676a [INFO] running `Command { std: "docker" "start" "-a" "1e438a2fa534c2ee0ff5e61431acbe2197bd4189de17894ccd0185feb6de676a", kill_on_drop: false }` [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling libloading v0.8.5 [INFO] [stderr] Compiling bindgen v0.65.1 [INFO] [stderr] Compiling home v0.5.9 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling prettyplease v0.2.22 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling async-trait v0.1.81 [INFO] [stderr] Compiling eyre v0.6.12 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking uuid v1.10.0 [INFO] [stderr] Compiling ctor v0.2.8 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking bytemuck v1.17.1 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking debug-ignore v1.0.5 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling derive-getters v0.2.1 [INFO] [stderr] Compiling getset v0.1.2 [INFO] [stderr] Checking tokio-stream v0.1.15 [INFO] [stderr] Compiling regex v1.10.6 [INFO] [stderr] Checking rsfs-tokio v0.5.0 [INFO] [stderr] Checking floppy-disk v0.2.6 [INFO] [stderr] Compiling libe2fs-sys v0.3.0 [INFO] [stderr] Checking flail v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ext/facade.rs:772:13 [INFO] [stdout] | [INFO] [stdout] 772 | let mut this = self.get_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ext/facade.rs:772:13 [INFO] [stdout] | [INFO] [stdout] 772 | let mut this = self.get_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/ext/mod.rs:29:65 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct ExtFilesystem(Arc>, PathBuf); [INFO] [stdout] | ------------- field in this struct ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `ExtFilesystem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/ext/mod.rs:29:65 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct ExtFilesystem(Arc>, PathBuf); [INFO] [stdout] | ------------- field in this struct ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `ExtFilesystem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/ext/mod.rs:1421:35 [INFO] [stdout] | [INFO] [stdout] 1421 | pub struct TempImage(PathBuf, TempDir); [INFO] [stdout] | --------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.47s [INFO] running `Command { std: "docker" "inspect" "1e438a2fa534c2ee0ff5e61431acbe2197bd4189de17894ccd0185feb6de676a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e438a2fa534c2ee0ff5e61431acbe2197bd4189de17894ccd0185feb6de676a", kill_on_drop: false }` [INFO] [stdout] 1e438a2fa534c2ee0ff5e61431acbe2197bd4189de17894ccd0185feb6de676a