[INFO] fetching crate mkdosfs 0.2.5... [INFO] testing mkdosfs-0.2.5 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate mkdosfs 0.2.5 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate mkdosfs 0.2.5 [INFO] finished tweaking crates.io crate mkdosfs 0.2.5 [INFO] tweaked toml for crates.io crate mkdosfs 0.2.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mkdosfs 0.2.5 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mkdosfs 0.2.5 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-attributes v0.1.22 [INFO] [stderr] Downloaded tracing-core v0.1.29 [INFO] [stderr] Downloaded thread_local v1.1.4 [INFO] [stderr] Downloaded thiserror-impl v1.0.32 [INFO] [stderr] Downloaded num_threads v0.1.6 [INFO] [stderr] Downloaded time-macros v0.2.4 [INFO] [stderr] Downloaded thiserror v1.0.32 [INFO] [stderr] Downloaded proc-macro2 v1.0.43 [INFO] [stderr] Downloaded bytes v1.2.1 [INFO] [stderr] Downloaded tracing v0.1.36 [INFO] [stderr] Downloaded time v0.3.13 [INFO] [stderr] Downloaded unicode-ident v1.0.3 [INFO] [stderr] Downloaded smallvec v1.9.0 [INFO] [stderr] Downloaded once_cell v1.13.0 [INFO] [stderr] Downloaded quote v1.0.21 [INFO] [stderr] Downloaded syn v1.0.99 [INFO] [stderr] Downloaded tracing-subscriber v0.3.15 [INFO] [stderr] Downloaded regex v1.6.0 [INFO] [stderr] Downloaded regex-syntax v0.6.27 [INFO] [stderr] Downloaded libc v0.2.129 [INFO] [stderr] Downloaded encoding_rs v0.8.31 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4bba0e351505b77b94449ca724ab94acfc4a7b4c6661137565ba4944ec399b6c [INFO] running `Command { std: "docker" "start" "-a" "4bba0e351505b77b94449ca724ab94acfc4a7b4c6661137565ba4944ec399b6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bba0e351505b77b94449ca724ab94acfc4a7b4c6661137565ba4944ec399b6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bba0e351505b77b94449ca724ab94acfc4a7b4c6661137565ba4944ec399b6c", kill_on_drop: false }` [INFO] [stdout] 4bba0e351505b77b94449ca724ab94acfc4a7b4c6661137565ba4944ec399b6c [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88fda0bf21170a7c94b7b712e17167b66d9036d07467ddba25493c27e1718e02 [INFO] running `Command { std: "docker" "start" "-a" "88fda0bf21170a7c94b7b712e17167b66d9036d07467ddba25493c27e1718e02", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling once_cell v1.13.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling tracing-core v0.1.29 [INFO] [stderr] Compiling libc v0.2.129 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling smallvec v1.9.0 [INFO] [stderr] Compiling num_threads v0.1.6 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Compiling tracing-log v0.1.3 [INFO] [stderr] Compiling bytes v1.2.1 [INFO] [stderr] Compiling time v0.3.13 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Compiling matchers v0.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.22 [INFO] [stderr] Compiling thiserror-impl v1.0.32 [INFO] [stderr] Compiling thiserror v1.0.32 [INFO] [stderr] Compiling tracing v0.1.36 [INFO] [stderr] Compiling tracing-subscriber v0.3.15 [INFO] [stderr] Compiling mkdosfs v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:616:13 [INFO] [stdout] | [INFO] [stdout] 616 | for mut ent in self.entries.iter_mut() { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.59s [INFO] running `Command { std: "docker" "inspect" "88fda0bf21170a7c94b7b712e17167b66d9036d07467ddba25493c27e1718e02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88fda0bf21170a7c94b7b712e17167b66d9036d07467ddba25493c27e1718e02", kill_on_drop: false }` [INFO] [stdout] 88fda0bf21170a7c94b7b712e17167b66d9036d07467ddba25493c27e1718e02 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60eda16b309fad6d425f83007c9c3e17f2804a125f372e2a9644151a75db315f [INFO] running `Command { std: "docker" "start" "-a" "60eda16b309fad6d425f83007c9c3e17f2804a125f372e2a9644151a75db315f", kill_on_drop: false }` [INFO] [stderr] Compiling mkdosfs v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:616:13 [INFO] [stdout] | [INFO] [stdout] 616 | for mut ent in self.entries.iter_mut() { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:616:13 [INFO] [stdout] | [INFO] [stdout] 616 | for mut ent in self.entries.iter_mut() { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "60eda16b309fad6d425f83007c9c3e17f2804a125f372e2a9644151a75db315f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60eda16b309fad6d425f83007c9c3e17f2804a125f372e2a9644151a75db315f", kill_on_drop: false }` [INFO] [stdout] 60eda16b309fad6d425f83007c9c3e17f2804a125f372e2a9644151a75db315f [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9dff297506e776f1a1fbddd1ce1ca7d2e7a84f4755791fe09232fd262529f16e [INFO] running `Command { std: "docker" "start" "-a" "9dff297506e776f1a1fbddd1ce1ca7d2e7a84f4755791fe09232fd262529f16e", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:616:13 [INFO] [stderr] | [INFO] [stderr] 616 | for mut ent in self.entries.iter_mut() { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `mkdosfs` (lib) generated 1 warning (run `cargo fix --lib -p mkdosfs` to apply 1 suggestion) [INFO] [stderr] warning: `mkdosfs` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mkdosfs-a5943cbb759a4418) [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/mkdosfs-91dcaf12683d2c5e) [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" "9dff297506e776f1a1fbddd1ce1ca7d2e7a84f4755791fe09232fd262529f16e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dff297506e776f1a1fbddd1ce1ca7d2e7a84f4755791fe09232fd262529f16e", kill_on_drop: false }` [INFO] [stdout] 9dff297506e776f1a1fbddd1ce1ca7d2e7a84f4755791fe09232fd262529f16e