[INFO] fetching crate e9571_file_lib 0.1.2...
[INFO] testing e9571_file_lib-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate e9571_file_lib 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate e9571_file_lib 0.1.2
[INFO] finished tweaking crates.io crate e9571_file_lib 0.1.2
[INFO] tweaked toml for crates.io crate e9571_file_lib 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate e9571_file_lib 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate e9571_file_lib 0.1.2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chksum-hash-md5 v0.0.1
[INFO] [stderr]   Downloaded chksum-hash-core v0.0.0
[INFO] [stderr]   Downloaded chksum-core v0.1.0
[INFO] [stderr]   Downloaded chksum-md5 v0.1.0
[INFO] [stderr]   Downloaded syn v2.0.104
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d19241b11b54441ad3b10cbb40d22fb76940ecd6330ce39956b87fe33fd082c
[INFO] running `Command { std: "docker" "start" "-a" "1d19241b11b54441ad3b10cbb40d22fb76940ecd6330ce39956b87fe33fd082c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d19241b11b54441ad3b10cbb40d22fb76940ecd6330ce39956b87fe33fd082c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d19241b11b54441ad3b10cbb40d22fb76940ecd6330ce39956b87fe33fd082c", kill_on_drop: false }`
[INFO] [stdout] 1d19241b11b54441ad3b10cbb40d22fb76940ecd6330ce39956b87fe33fd082c
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdc19e2d9d5c04bd9d154671e1b72a253227256046884e154d143eecd2f627d4
[INFO] running `Command { std: "docker" "start" "-a" "fdc19e2d9d5c04bd9d154671e1b72a253227256046884e154d143eecd2f627d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling chksum-hash-core v0.0.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling chksum-hash-md5 v0.0.1
[INFO] [stderr]    Compiling chksum-core v0.1.0
[INFO] [stderr]    Compiling chksum-md5 v0.1.0
[INFO] [stderr]    Compiling e9571_file_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/lib.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/lib.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exists` is never used
[INFO] [stdout]   --> src/lib.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn exists(path: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "fdc19e2d9d5c04bd9d154671e1b72a253227256046884e154d143eecd2f627d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc19e2d9d5c04bd9d154671e1b72a253227256046884e154d143eecd2f627d4", kill_on_drop: false }`
[INFO] [stdout] fdc19e2d9d5c04bd9d154671e1b72a253227256046884e154d143eecd2f627d4
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b5e3e0fb2328a3ba4628d5e77c0884990640244a9bda2d809502aee5118d0bc
[INFO] running `Command { std: "docker" "start" "-a" "5b5e3e0fb2328a3ba4628d5e77c0884990640244a9bda2d809502aee5118d0bc", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/lib.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling e9571_file_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/lib.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exists` is never used
[INFO] [stdout]   --> src/lib.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn exists(path: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/lib.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/lib.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exists` is never used
[INFO] [stdout]   --> src/lib.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn exists(path: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "5b5e3e0fb2328a3ba4628d5e77c0884990640244a9bda2d809502aee5118d0bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5e3e0fb2328a3ba4628d5e77c0884990640244a9bda2d809502aee5118d0bc", kill_on_drop: false }`
[INFO] [stdout] 5b5e3e0fb2328a3ba4628d5e77c0884990640244a9bda2d809502aee5118d0bc
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5cece62af216a2783ba368cfde66f38ecf7abc49432bdbbd9ba6e5ee12e22822
[INFO] running `Command { std: "docker" "start" "-a" "5cece62af216a2783ba368cfde66f38ecf7abc49432bdbbd9ba6e5ee12e22822", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/lib.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/lib.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/lib.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write};
[INFO] [stderr]   |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `exists` is never used
[INFO] [stderr]   --> src/lib.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn exists(path: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `e9571_file_lib` (lib) generated 4 warnings (run `cargo fix --lib -p e9571_file_lib` to apply 2 suggestions)
[INFO] [stderr] warning: `e9571_file_lib` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/e9571_file_lib-6609671019e44903)
[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]    Doc-tests e9571_file_lib
[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" "5cece62af216a2783ba368cfde66f38ecf7abc49432bdbbd9ba6e5ee12e22822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cece62af216a2783ba368cfde66f38ecf7abc49432bdbbd9ba6e5ee12e22822", kill_on_drop: false }`
[INFO] [stdout] 5cece62af216a2783ba368cfde66f38ecf7abc49432bdbbd9ba6e5ee12e22822