[INFO] fetching crate iofs 0.0.8...
[INFO] checking iofs-0.0.8 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate iofs 0.0.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate iofs 0.0.8 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "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-2-tc1/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" "+38352b01ae4af9300be03b805d6db68c45e51068" "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 headers-core v0.2.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.18.0
[INFO] [stderr]   Downloaded mime_guess v2.0.4
[INFO] [stderr]   Downloaded pin-project-internal v1.1.2
[INFO] [stderr]   Downloaded headers v0.3.8
[INFO] [stderr]   Downloaded pin-project v1.1.2
[INFO] [stderr]   Downloaded serde v1.0.174
[INFO] [stderr]   Downloaded tungstenite v0.18.0
[INFO] [stderr]   Downloaded serde_json v1.0.103
[INFO] [stderr]   Downloaded warp v0.3.5
[INFO] [stderr]   Downloaded h2 v0.3.20
[INFO] [stderr]   Downloaded proc-macro2 v1.0.66
[INFO] [stderr]   Downloaded unicode-ident v1.0.11
[INFO] [stderr]   Downloaded tokio-stream v0.1.14
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] [stderr]   Downloaded object v0.31.1
[INFO] [stderr]   Downloaded gimli v0.27.3
[INFO] [stderr]   Downloaded quote v1.0.31
[INFO] [stderr]   Downloaded thiserror-impl v1.0.44
[INFO] [stderr]   Downloaded addr2line v0.20.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.10
[INFO] [stderr]   Downloaded scoped-tls v1.0.1
[INFO] [stderr]   Downloaded cpufeatures v0.2.9
[INFO] [stderr]   Downloaded sha1 v0.10.5
[INFO] [stderr]   Downloaded thiserror v1.0.44
[INFO] [stderr]   Downloaded backtrace v0.3.68
[INFO] [stderr]   Downloaded tokio v1.29.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f41c7763c22f55dcd5ecd00f1d0802559e84c9689d4d7fda129b14d05e88208
[INFO] running `Command { std: "docker" "start" "-a" "4f41c7763c22f55dcd5ecd00f1d0802559e84c9689d4d7fda129b14d05e88208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f41c7763c22f55dcd5ecd00f1d0802559e84c9689d4d7fda129b14d05e88208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f41c7763c22f55dcd5ecd00f1d0802559e84c9689d4d7fda129b14d05e88208", kill_on_drop: false }`
[INFO] [stdout] 4f41c7763c22f55dcd5ecd00f1d0802559e84c9689d4d7fda129b14d05e88208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50dd121da490a718cec46ce14c1d27c2fadac7aa2c0521a23b587bb64d0dd88
[INFO] running `Command { std: "docker" "start" "-a" "e50dd121da490a718cec46ce14c1d27c2fadac7aa2c0521a23b587bb64d0dd88", 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<T: Display>(self, other: T) -> Self::Output;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 7 |     fn with<T: Display>(&self, other: T) -> Self::Output;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 8 |     fn append<T: Display>(self, other: Vec<T>) -> 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] 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<T: Display>(self, other: T) -> Self::Output;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 7 |     fn with<T: Display>(&self, other: T) -> Self::Output;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 8 |     fn append<T: Display>(self, other: Vec<T>) -> 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] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Find`
[INFO] [stdout]  --> examples/io.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::{FileInfo, Find},
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs::stream::FileWriteStream` and `prelude::FileInfo`
[INFO] [stdout]  --> examples/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iofs::{prelude::FileInfo, fs::stream::FileWriteStream};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "e50dd121da490a718cec46ce14c1d27c2fadac7aa2c0521a23b587bb64d0dd88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50dd121da490a718cec46ce14c1d27c2fadac7aa2c0521a23b587bb64d0dd88", kill_on_drop: false }`
[INFO] [stdout] e50dd121da490a718cec46ce14c1d27c2fadac7aa2c0521a23b587bb64d0dd88