[INFO] cloning repository https://github.com/avl/buf_read_write [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avl/buf_read_write" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Fbuf_read_write", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Fbuf_read_write'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 90315ce5d32d59b9303c7ffc9e9de0fa2063f62c [INFO] checking avl/buf_read_write against try#79452e8441468c5568c20bfca2aa1fe75b645b2d for pr-152210 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Fbuf_read_write" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/avl/buf_read_write [INFO] finished tweaking git repo https://github.com/avl/buf_read_write [INFO] tweaked toml for git repo https://github.com/avl/buf_read_write written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/avl/buf_read_write on toolchain 79452e8441468c5568c20bfca2aa1fe75b645b2d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/avl/buf_read_write 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" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mutants v0.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee804049f9ec3101ec4687c864b2b029f56f6a96fe97e33c7c89631e331c733e [INFO] running `Command { std: "docker" "start" "-a" "ee804049f9ec3101ec4687c864b2b029f56f6a96fe97e33c7c89631e331c733e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee804049f9ec3101ec4687c864b2b029f56f6a96fe97e33c7c89631e331c733e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee804049f9ec3101ec4687c864b2b029f56f6a96fe97e33c7c89631e331c733e", kill_on_drop: false }` [INFO] [stdout] ee804049f9ec3101ec4687c864b2b029f56f6a96fe97e33c7c89631e331c733e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6317b89e97eb4dfa06e1645e020a3b8981e4d6a6c6500f32367a37b7c666c70d [INFO] running `Command { std: "docker" "start" "-a" "6317b89e97eb4dfa06e1645e020a3b8981e4d6a6c6500f32367a37b7c666c70d", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.216 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking clap_builder v4.5.23 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Compiling mutants v0.0.3 [INFO] [stderr] Checking buf_read_write v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking clap v4.5.23 [INFO] [stderr] Compiling serde_derive v1.0.216 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking serde_json v1.0.133 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] error[E0599]: no method named `write` found for enum `Result` in the current scope [INFO] [stdout] --> benches/bufstream_benchmark.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | bufstream.write(&[i]).unwrap(); [INFO] [stdout] | ^^^^^ method not found in `Result>>, std::io::Error>` [INFO] [stdout] | [INFO] [stdout] note: the method `write` exists on the type `BufStream>>` [INFO] [stdout] --> /rustc/79452e8441468c5568c20bfca2aa1fe75b645b2d/library/std/src/io/mod.rs:1764:4 [INFO] [stdout] help: consider using `Result::expect` to unwrap the `BufStream>>` value, panicking if the value is a `Result::Err` [INFO] [stdout] | [INFO] [stdout] 10 | bufstream.expect("REASON").write(&[i]).unwrap(); [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> benches/bufstream_benchmark.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 5 | fn many_small_writes_bufstream() -> BufStream>> { [INFO] [stdout] | -------------------------- expected `BufStream>>` because of return type [INFO] [stdout] ... [INFO] [stdout] 12 | bufstream [INFO] [stdout] | ^^^^^^^^^ expected `BufStream>>`, found `Result>>, ...>` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `BufStream<_>` [INFO] [stdout] found enum `Result, std::io::Error>` [INFO] [stdout] help: consider using `Result::expect` to unwrap the `Result>>, std::io::Error>` value, panicking if the value is a `Result::Err` [INFO] [stdout] | [INFO] [stdout] 12 | bufstream.expect("REASON") [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read` found for enum `Result` in the current scope [INFO] [stdout] --> benches/bufstream_benchmark.rs:30:19 [INFO] [stdout] | [INFO] [stdout] 30 | bufstream.read(&mut [0, 1, 2, 3]).unwrap(); [INFO] [stdout] | ^^^^ method not found in `Result>>, std::io::Error>` [INFO] [stdout] | [INFO] [stdout] note: the method `read` exists on the type `BufStream>>` [INFO] [stdout] --> /rustc/79452e8441468c5568c20bfca2aa1fe75b645b2d/library/std/src/io/mod.rs:813:4 [INFO] [stdout] help: consider using `Result::expect` to unwrap the `BufStream>>` value, panicking if the value is a `Result::Err` [INFO] [stdout] | [INFO] [stdout] 30 | bufstream.expect("REASON").read(&mut [0, 1, 2, 3]).unwrap(); [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> benches/bufstream_benchmark.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 25 | fn many_small_reads_bufstream() -> BufStream>> { [INFO] [stdout] | -------------------------- expected `BufStream>>` because of return type [INFO] [stdout] ... [INFO] [stdout] 32 | bufstream [INFO] [stdout] | ^^^^^^^^^ expected `BufStream>>`, found `Result>>, ...>` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `BufStream<_>` [INFO] [stdout] found enum `Result, std::io::Error>` [INFO] [stdout] help: consider using `Result::expect` to unwrap the `Result>>, std::io::Error>` value, panicking if the value is a `Result::Err` [INFO] [stdout] | [INFO] [stdout] 32 | bufstream.expect("REASON") [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `buf_read_write` (bench "bufstream_benchmark") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "6317b89e97eb4dfa06e1645e020a3b8981e4d6a6c6500f32367a37b7c666c70d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6317b89e97eb4dfa06e1645e020a3b8981e4d6a6c6500f32367a37b7c666c70d", kill_on_drop: false }` [INFO] [stdout] 6317b89e97eb4dfa06e1645e020a3b8981e4d6a6c6500f32367a37b7c666c70d