[INFO] fetching crate iofs 0.0.8... [INFO] checking iofs-0.0.8 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249 [INFO] extracting crate iofs 0.0.8 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate iofs 0.0.8 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate iofs 0.0.8 [INFO] finished tweaking crates.io crate iofs 0.0.8 [INFO] tweaked toml for crates.io crate iofs 0.0.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate iofs 0.0.8 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee91562d2df021291db2602cd11b6d9d8fb754b282537540006601ef450e9574 [INFO] running `Command { std: "docker" "start" "-a" "ee91562d2df021291db2602cd11b6d9d8fb754b282537540006601ef450e9574", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee91562d2df021291db2602cd11b6d9d8fb754b282537540006601ef450e9574", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee91562d2df021291db2602cd11b6d9d8fb754b282537540006601ef450e9574", kill_on_drop: false }` [INFO] [stdout] ee91562d2df021291db2602cd11b6d9d8fb754b282537540006601ef450e9574 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebb21ea71e15c0eccdcdb25879795cc37922f4d4953b2c0db53ec387494fbaf3 [INFO] running `Command { std: "docker" "start" "-a" "ebb21ea71e15c0eccdcdb25879795cc37922f4d4953b2c0db53ec387494fbaf3", kill_on_drop: false }` [INFO] [stderr] Checking iofs v0.0.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `and`, `with`, and `append` are never used [INFO] [stdout] --> src/fs/other.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait And { [INFO] [stdout] | --- methods in this trait [INFO] [stdout] 5 | type Output; [INFO] [stdout] 6 | fn and(self, other: T) -> Self::Output; [INFO] [stdout] | ^^^ [INFO] [stdout] 7 | fn with(&self, other: T) -> Self::Output; [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | fn append(self, other: Vec) -> Self::Output; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `trim_zero` is never used [INFO] [stdout] --> src/io/number.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub trait Trim { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 42 | fn trim_zero(&mut self); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `io::convert::ConvertError` to `io::convert::ConvertError` [INFO] [stdout] --> src/fs/file.rs:657:22 [INFO] [stdout] | [INFO] [stdout] 657 | _ => Err(self.error(false).into()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iofs` (lib) due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: methods `and`, `with`, and `append` are never used [INFO] [stdout] --> src/fs/other.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait And { [INFO] [stdout] | --- methods in this trait [INFO] [stdout] 5 | type Output; [INFO] [stdout] 6 | fn and(self, other: T) -> Self::Output; [INFO] [stdout] | ^^^ [INFO] [stdout] 7 | fn with(&self, other: T) -> Self::Output; [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | fn append(self, other: Vec) -> Self::Output; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `trim_zero` is never used [INFO] [stdout] --> src/io/number.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub trait Trim { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 42 | fn trim_zero(&mut self); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `io::convert::ConvertError` to `io::convert::ConvertError` [INFO] [stdout] --> src/fs/file.rs:657:22 [INFO] [stdout] | [INFO] [stdout] 657 | _ => Err(self.error(false).into()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iofs` (lib test) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ebb21ea71e15c0eccdcdb25879795cc37922f4d4953b2c0db53ec387494fbaf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebb21ea71e15c0eccdcdb25879795cc37922f4d4953b2c0db53ec387494fbaf3", kill_on_drop: false }` [INFO] [stdout] ebb21ea71e15c0eccdcdb25879795cc37922f4d4953b2c0db53ec387494fbaf3