[INFO] cloning repository https://github.com/mettke/rust_read_write_core_rfc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mettke/rust_read_write_core_rfc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmettke%2Frust_read_write_core_rfc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmettke%2Frust_read_write_core_rfc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8599ed3d8812608e6b0314017c77c3b8c997bf38 [INFO] checking mettke/rust_read_write_core_rfc against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmettke%2Frust_read_write_core_rfc" "/workspace/builds/worker-61/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mettke/rust_read_write_core_rfc on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mettke/rust_read_write_core_rfc [INFO] finished tweaking git repo https://github.com/mettke/rust_read_write_core_rfc [INFO] tweaked toml for git repo https://github.com/mettke/rust_read_write_core_rfc written to /workspace/builds/worker-61/source/Cargo.toml [INFO] crate git repo https://github.com/mettke/rust_read_write_core_rfc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8336fc03c04cfdaf67f9eb96bcd86effd1a151a1b6c86ef64f6bf32b4d7191f3 [INFO] running `Command { std: "docker" "start" "-a" "8336fc03c04cfdaf67f9eb96bcd86effd1a151a1b6c86ef64f6bf32b4d7191f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8336fc03c04cfdaf67f9eb96bcd86effd1a151a1b6c86ef64f6bf32b4d7191f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8336fc03c04cfdaf67f9eb96bcd86effd1a151a1b6c86ef64f6bf32b4d7191f3", kill_on_drop: false }` [INFO] [stdout] 8336fc03c04cfdaf67f9eb96bcd86effd1a151a1b6c86ef64f6bf32b4d7191f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c06f22322f7b353d33b3a9186ccff790c393a98bb45edbe39ffb01d41d76bc7e [INFO] running `Command { std: "docker" "start" "-a" "c06f22322f7b353d33b3a9186ccff790c393a98bb45edbe39ffb01d41d76bc7e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rw-poc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/std.rs:150:33 [INFO] [stdout] | [INFO] [stdout] 150 | bufs = IoSlice::advance(bufs, 0); [INFO] [stdout] | ^^^^ expected struct `IoSlice`, found slice [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut IoSlice<'_>` [INFO] [stdout] found mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/std.rs:150:16 [INFO] [stdout] | [INFO] [stdout] 150 | bufs = IoSlice::advance(bufs, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ expected mutable reference, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/std.rs:156:38 [INFO] [stdout] | [INFO] [stdout] 156 | IoSlice::advance(bufs, n.get()); [INFO] [stdout] | ^^^^ expected struct `IoSlice`, found slice [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut IoSlice<'_>` [INFO] [stdout] found mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/std.rs:160:38 [INFO] [stdout] | [INFO] [stdout] 160 | IoSlice::advance(bufs, n.get()); [INFO] [stdout] | ^^^^ expected struct `IoSlice`, found slice [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut IoSlice<'_>` [INFO] [stdout] found mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/write.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 36 | bufs = IoSlice::advance(bufs, 0); [INFO] [stdout] | ^^^^ expected struct `IoSlice`, found slice [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut IoSlice<'_>` [INFO] [stdout] found mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/std.rs:150:33 [INFO] [stdout] | [INFO] [stdout] 150 | bufs = IoSlice::advance(bufs, 0); [INFO] [stdout] | ^^^^ expected struct `IoSlice`, found slice [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut IoSlice<'_>` [INFO] [stdout] found mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/std.rs:150:16 [INFO] [stdout] | [INFO] [stdout] 150 | bufs = IoSlice::advance(bufs, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ expected mutable reference, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/write.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | bufs = IoSlice::advance(bufs, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ expected mutable reference, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/write.rs:45:50 [INFO] [stdout] | [INFO] [stdout] 45 | Ok(n) => bufs = IoSlice::advance(bufs, n), [INFO] [stdout] | ^^^^ expected struct `IoSlice`, found slice [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut IoSlice<'_>` [INFO] [stdout] found mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/std.rs:156:38 [INFO] [stdout] | [INFO] [stdout] 156 | IoSlice::advance(bufs, n.get()); [INFO] [stdout] | ^^^^ expected struct `IoSlice`, found slice [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut IoSlice<'_>` [INFO] [stdout] found mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rw-poc` due to 9 previous errors [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/write.rs:45:33 [INFO] [stdout] | [INFO] [stdout] 45 | Ok(n) => bufs = IoSlice::advance(bufs, n), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ expected mutable reference, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/std.rs:160:38 [INFO] [stdout] | [INFO] [stdout] 160 | IoSlice::advance(bufs, n.get()); [INFO] [stdout] | ^^^^ expected struct `IoSlice`, found slice [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut IoSlice<'_>` [INFO] [stdout] found mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/write.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 36 | bufs = IoSlice::advance(bufs, 0); [INFO] [stdout] | ^^^^ expected struct `IoSlice`, found slice [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut IoSlice<'_>` [INFO] [stdout] found mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/write.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | bufs = IoSlice::advance(bufs, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ expected mutable reference, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/write.rs:45:50 [INFO] [stdout] | [INFO] [stdout] 45 | Ok(n) => bufs = IoSlice::advance(bufs, n), [INFO] [stdout] | ^^^^ expected struct `IoSlice`, found slice [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut IoSlice<'_>` [INFO] [stdout] found mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/write.rs:45:33 [INFO] [stdout] | [INFO] [stdout] 45 | Ok(n) => bufs = IoSlice::advance(bufs, n), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ expected mutable reference, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut [IoSlice<'_>]` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c06f22322f7b353d33b3a9186ccff790c393a98bb45edbe39ffb01d41d76bc7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c06f22322f7b353d33b3a9186ccff790c393a98bb45edbe39ffb01d41d76bc7e", kill_on_drop: false }` [INFO] [stdout] c06f22322f7b353d33b3a9186ccff790c393a98bb45edbe39ffb01d41d76bc7e