[INFO] cloning repository https://github.com/TyRoXx/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TyRoXx/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyRoXx%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyRoXx%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c46ec3dd48c0a92bf81a504bc372bb95d6b203b7
[INFO] testing TyRoXx/learning-rust against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyRoXx%2Flearning-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TyRoXx/learning-rust on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TyRoXx/learning-rust
[INFO] finished tweaking git repo https://github.com/TyRoXx/learning-rust
[INFO] tweaked toml for git repo https://github.com/TyRoXx/learning-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/TyRoXx/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eff034ccac6d77169f9b8bc80ab30b342e49f3a778e710dac04a88b9e0b65354
[INFO] running `Command { std: "docker" "start" "-a" "eff034ccac6d77169f9b8bc80ab30b342e49f3a778e710dac04a88b9e0b65354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eff034ccac6d77169f9b8bc80ab30b342e49f3a778e710dac04a88b9e0b65354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff034ccac6d77169f9b8bc80ab30b342e49f3a778e710dac04a88b9e0b65354", kill_on_drop: false }`
[INFO] [stdout] eff034ccac6d77169f9b8bc80ab30b342e49f3a778e710dac04a88b9e0b65354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15b0e6eaa85f2a5ccefe75cea45cb3659b8130de22069d975eb3bb4d96a29589
[INFO] running `Command { std: "docker" "start" "-a" "15b0e6eaa85f2a5ccefe75cea45cb3659b8130de22069d975eb3bb4d96a29589", kill_on_drop: false }`
[INFO] [stderr]    Compiling library2 v0.1.0 (/opt/rustwide/workdir/src/library2)
[INFO] [stdout] warning: unused import: `std::fs::read_dir`
[INFO] [stdout]  --> src/library2/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::read_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/library2/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::AtomicPtr`
[INFO] [stdout]  --> src/library2/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::atomic::AtomicPtr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stdout]  --> src/library2/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `library2::add`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use library2::add;
[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 [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "15b0e6eaa85f2a5ccefe75cea45cb3659b8130de22069d975eb3bb4d96a29589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b0e6eaa85f2a5ccefe75cea45cb3659b8130de22069d975eb3bb4d96a29589", kill_on_drop: false }`
[INFO] [stdout] 15b0e6eaa85f2a5ccefe75cea45cb3659b8130de22069d975eb3bb4d96a29589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c4807b4d56d7ec54f169541d2419577eabe6a79fd8691f03f66d39912fe572f
[INFO] running `Command { std: "docker" "start" "-a" "3c4807b4d56d7ec54f169541d2419577eabe6a79fd8691f03f66d39912fe572f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `std::fs::read_dir`
[INFO] [stdout]  --> src/library2/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::read_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/library2/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::AtomicPtr`
[INFO] [stdout]  --> src/library2/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::atomic::AtomicPtr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stdout]  --> src/library2/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "3c4807b4d56d7ec54f169541d2419577eabe6a79fd8691f03f66d39912fe572f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4807b4d56d7ec54f169541d2419577eabe6a79fd8691f03f66d39912fe572f", kill_on_drop: false }`
[INFO] [stdout] 3c4807b4d56d7ec54f169541d2419577eabe6a79fd8691f03f66d39912fe572f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c2dd370129730c8325712dcd6f6a454b6c45d6673eba415c1f96ef49533c686
[INFO] running `Command { std: "docker" "start" "-a" "1c2dd370129730c8325712dcd6f6a454b6c45d6673eba415c1f96ef49533c686", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs::read_dir`
[INFO] [stderr]  --> src/library2/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::read_dir;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/library2/src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::atomic::AtomicPtr`
[INFO] [stderr]  --> src/library2/src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::atomic::AtomicPtr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stderr]  --> src/library2/src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::atomic::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_rust-ef83302c1b2ba4c0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test trivial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c2dd370129730c8325712dcd6f6a454b6c45d6673eba415c1f96ef49533c686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2dd370129730c8325712dcd6f6a454b6c45d6673eba415c1f96ef49533c686", kill_on_drop: false }`
[INFO] [stdout] 1c2dd370129730c8325712dcd6f6a454b6c45d6673eba415c1f96ef49533c686