[INFO] cloning repository https://github.com/IThawk/rust-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IThawk/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIThawk%2Frust-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIThawk%2Frust-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6830f51f9b32aa373ffdc9a12bcb2df1b8503eb3
[INFO] building IThawk/rust-learn against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIThawk%2Frust-learn" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IThawk/rust-learn on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IThawk/rust-learn
[INFO] finished tweaking git repo https://github.com/IThawk/rust-learn
[INFO] tweaked toml for git repo https://github.com/IThawk/rust-learn written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/IThawk/rust-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded perlin2d v0.2.6
[INFO] [stderr]   Downloaded palette v0.5.0
[INFO] [stderr]   Downloaded jsonxf v1.1.1
[INFO] [stderr]   Downloaded palette_derive v0.5.0
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[INFO] [stderr]   Downloaded axum v0.2.8
[INFO] [stderr]   Downloaded clap v3.0.7
[INFO] [stderr]   Downloaded node-sys v0.4.2
[INFO] [stderr]   Downloaded photon-rs v0.3.1
[INFO] [stderr]   Downloaded tower v0.4.11
[INFO] [stderr]   Downloaded async-compression v0.3.8
[INFO] [stderr]   Downloaded tower-http v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4dc369b597c901172595f28119f9fc0b7eb5d8f12390487d547bf656c0bcbff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4dc369b597c901172595f28119f9fc0b7eb5d8f12390487d547bf656c0bcbff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4dc369b597c901172595f28119f9fc0b7eb5d8f12390487d547bf656c0bcbff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4dc369b597c901172595f28119f9fc0b7eb5d8f12390487d547bf656c0bcbff", kill_on_drop: false }`
[INFO] [stdout] b4dc369b597c901172595f28119f9fc0b7eb5d8f12390487d547bf656c0bcbff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e60e28ae62a02787cda438fb0ac96bc3eec5b9bcfcd2ebe4b9ce34ed53f5dd29
[INFO] running `Command { std: "docker" "start" "-a" "e60e28ae62a02787cda438fb0ac96bc3eec5b9bcfcd2ebe4b9ce34ed53f5dd29", kill_on_drop: false }`
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[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling getrandom v0.1.16
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[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling perlin2d v0.2.6
[INFO] [stderr]    Compiling sync_wrapper v0.1.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling data_algorithm v0.1.0 (/opt/rustwide/workdir/data_algorithm)
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> data_algorithm/src/back_track/n_queens.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve_n_queens`
[INFO] [stdout]   --> data_algorithm/src/back_track/n_queens.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn solve_n_queens(n: i32) -> Vec<Vec<String>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_queen`
[INFO] [stdout]   --> data_algorithm/src/back_track/n_queens.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn set_queen(n: i32, queens: &mut HashMap<i32, i32>, queen_list: &mut Vec<Vec<String>>, row: i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_queens`
[INFO] [stdout]   --> data_algorithm/src/back_track/n_queens.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn print_queens(queens: &mut HashMap<i32, i32>, queen_list: &mut Vec<Vec<String>>, n: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_ok`
[INFO] [stdout]   --> data_algorithm/src/back_track/n_queens.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn is_ok(row: i32, col: i32, queens: &mut HashMap<i32, i32>, n: i32) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_queen`
[INFO] [stdout]   --> data_algorithm/src/back_track/n_queens.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn print_queen(re: &Vec<Vec<String>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling thread_local v1.1.3
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[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
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[INFO] [stderr]    Compiling regex v1.5.4
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[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
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[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.0.6
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling imageproc v0.22.0
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling js-sys v0.3.55
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling clap v3.0.7
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling web-sys v0.3.55
[INFO] [stderr]    Compiling thumbor v0.1.0 (/opt/rustwide/workdir/thumbor)
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling async-compression v0.3.8
[INFO] [stderr]    Compiling h2 v0.3.10
[INFO] [stderr]    Compiling tower v0.4.11
[INFO] [stderr]    Compiling tower-http v0.1.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling node-sys v0.4.2
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling photon-rs v0.3.1
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling axum v0.2.8
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling http_cli v0.1.0 (/opt/rustwide/workdir/http_cli)
[INFO] [stdout] warning: use of deprecated unit variant `clap::AppSettings::ColoredHelp`: This is now the default
[INFO] [stdout]   --> http_cli/src/main.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[clap(setting = AppSettings::ColoredHelp)]
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]   --> http_cli/src/main.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok(url) => Ok(s.into()),
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> thumbor/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7m 06s
[INFO] running `Command { std: "docker" "inspect" "e60e28ae62a02787cda438fb0ac96bc3eec5b9bcfcd2ebe4b9ce34ed53f5dd29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60e28ae62a02787cda438fb0ac96bc3eec5b9bcfcd2ebe4b9ce34ed53f5dd29", kill_on_drop: false }`
[INFO] [stdout] e60e28ae62a02787cda438fb0ac96bc3eec5b9bcfcd2ebe4b9ce34ed53f5dd29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 411bc376433e561b7499222f363cf5f7d7a771f5c3819bf742e3e87dc46f6b15
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "411bc376433e561b7499222f363cf5f7d7a771f5c3819bf742e3e87dc46f6b15", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_algorithm v0.1.0 (/opt/rustwide/workdir/data_algorithm)
[INFO] [stderr]    Compiling http_cli v0.1.0 (/opt/rustwide/workdir/http_cli)
[INFO] [stderr]    Compiling thumbor v0.1.0 (/opt/rustwide/workdir/thumbor)
[INFO] [stdout] warning: use of deprecated unit variant `clap::AppSettings::ColoredHelp`: This is now the default
[INFO] [stdout]   --> http_cli/src/main.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[clap(setting = AppSettings::ColoredHelp)]
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]   --> http_cli/src/main.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok(url) => Ok(s.into()),
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> thumbor/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.67s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/data_algorithm-a9b6cbe75e154171)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/http_cli-7f13afc9c020eaa8)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/thumbor-b6a10ac213be2370)
[INFO] running `Command { std: "docker" "inspect" "411bc376433e561b7499222f363cf5f7d7a771f5c3819bf742e3e87dc46f6b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411bc376433e561b7499222f363cf5f7d7a771f5c3819bf742e3e87dc46f6b15", kill_on_drop: false }`
[INFO] [stdout] 411bc376433e561b7499222f363cf5f7d7a771f5c3819bf742e3e87dc46f6b15