[INFO] cloning repository https://github.com/itskihaga/20211222-rust-mob
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itskihaga/20211222-rust-mob" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitskihaga%2F20211222-rust-mob", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitskihaga%2F20211222-rust-mob'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85ff72ac96738c9b6b0b52df068803e03940b2b0
[INFO] testing itskihaga/20211222-rust-mob against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitskihaga%2F20211222-rust-mob" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/itskihaga/20211222-rust-mob on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/itskihaga/20211222-rust-mob
[INFO] finished tweaking git repo https://github.com/itskihaga/20211222-rust-mob
[INFO] tweaked toml for git repo https://github.com/itskihaga/20211222-rust-mob written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/itskihaga/20211222-rust-mob already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48b9d151f9b1e6ed933a015161b49cce42400853f6c0b29d840c2fff40aa878a
[INFO] running `Command { std: "docker" "start" "-a" "48b9d151f9b1e6ed933a015161b49cce42400853f6c0b29d840c2fff40aa878a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48b9d151f9b1e6ed933a015161b49cce42400853f6c0b29d840c2fff40aa878a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b9d151f9b1e6ed933a015161b49cce42400853f6c0b29d840c2fff40aa878a", kill_on_drop: false }`
[INFO] [stdout] 48b9d151f9b1e6ed933a015161b49cce42400853f6c0b29d840c2fff40aa878a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be4d3113b107c249f1ebc44fd5332ede3496324a383c404439a1af31c9716d11
[INFO] running `Command { std: "docker" "start" "-a" "be4d3113b107c249f1ebc44fd5332ede3496324a383c404439a1af31c9716d11", kill_on_drop: false }`
[INFO] [stderr]    Compiling mob20211222 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ffi::OsString`, `io::Error`
[INFO] [stdout]  --> src/main.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{read_dir, DirEntry}, io::Error, ffi::OsString};
[INFO] [stdout]   |                                     ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |     } else if let Err(e) = entries {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `output`
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn output(str: String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "be4d3113b107c249f1ebc44fd5332ede3496324a383c404439a1af31c9716d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4d3113b107c249f1ebc44fd5332ede3496324a383c404439a1af31c9716d11", kill_on_drop: false }`
[INFO] [stdout] be4d3113b107c249f1ebc44fd5332ede3496324a383c404439a1af31c9716d11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb12839ca3570c6ef600084d7891947af26883b1ebeed0b02b3f4b03d83b8fd7
[INFO] running `Command { std: "docker" "start" "-a" "cb12839ca3570c6ef600084d7891947af26883b1ebeed0b02b3f4b03d83b8fd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling mob20211222 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ffi::OsString`, `io::Error`
[INFO] [stdout]  --> src/main.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{read_dir, DirEntry}, io::Error, ffi::OsString};
[INFO] [stdout]   |                                     ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |     } else if let Err(e) = entries {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `output`
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn output(str: String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "cb12839ca3570c6ef600084d7891947af26883b1ebeed0b02b3f4b03d83b8fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb12839ca3570c6ef600084d7891947af26883b1ebeed0b02b3f4b03d83b8fd7", kill_on_drop: false }`
[INFO] [stdout] cb12839ca3570c6ef600084d7891947af26883b1ebeed0b02b3f4b03d83b8fd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46302ca657487dba713d2245eb4064d185417dce55ee77169d158900c4d4815d
[INFO] running `Command { std: "docker" "start" "-a" "46302ca657487dba713d2245eb4064d185417dce55ee77169d158900c4d4815d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `ffi::OsString`, `io::Error`
[INFO] [stderr]  --> src/main.rs:1:37
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs::{read_dir, DirEntry}, io::Error, ffi::OsString};
[INFO] [stderr]   |                                     ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 |     } else if let Err(e) = entries {
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `output`
[INFO] [stderr]   --> src/main.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn output(str: String) {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mob20211222` (bin "mob20211222" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mob20211222-ec8b151f29d7254b)
[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" "46302ca657487dba713d2245eb4064d185417dce55ee77169d158900c4d4815d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46302ca657487dba713d2245eb4064d185417dce55ee77169d158900c4d4815d", kill_on_drop: false }`
[INFO] [stdout] 46302ca657487dba713d2245eb4064d185417dce55ee77169d158900c4d4815d