[INFO] cloning repository https://github.com/jackos/algs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackos/algs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackos%2Falgs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackos%2Falgs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5eeaa58f1db79126c782b0b06d3ef10a949fb170
[INFO] testing jackos/algs against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackos%2Falgs" "/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/jackos/algs on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jackos/algs
[INFO] finished tweaking git repo https://github.com/jackos/algs
[INFO] tweaked toml for git repo https://github.com/jackos/algs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jackos/algs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bacf6bd85fa00023c6732182a0b8b086e8258511627ffd895755cff650cf8d27
[INFO] running `Command { std: "docker" "start" "-a" "bacf6bd85fa00023c6732182a0b8b086e8258511627ffd895755cff650cf8d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bacf6bd85fa00023c6732182a0b8b086e8258511627ffd895755cff650cf8d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bacf6bd85fa00023c6732182a0b8b086e8258511627ffd895755cff650cf8d27", kill_on_drop: false }`
[INFO] [stdout] bacf6bd85fa00023c6732182a0b8b086e8258511627ffd895755cff650cf8d27
[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=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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e83f8cf5027a4354f5dec0cbf51afb4e5c0e1bd3face71d18dd9aeb16c030fe3
[INFO] running `Command { std: "docker" "start" "-a" "e83f8cf5027a4354f5dec0cbf51afb4e5c0e1bd3face71d18dd9aeb16c030fe3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling algs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/string/string_to_integer.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn string_to_integer(s: String) -> i32 {
[INFO] [stdout]   |                          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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 1.90s
[INFO] running `Command { std: "docker" "inspect" "e83f8cf5027a4354f5dec0cbf51afb4e5c0e1bd3face71d18dd9aeb16c030fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83f8cf5027a4354f5dec0cbf51afb4e5c0e1bd3face71d18dd9aeb16c030fe3", kill_on_drop: false }`
[INFO] [stdout] e83f8cf5027a4354f5dec0cbf51afb4e5c0e1bd3face71d18dd9aeb16c030fe3
[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=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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11dbfd4df93dae1382eddb0b11e90550dc557292681436bea59b9ca6ca8b483c
[INFO] running `Command { std: "docker" "start" "-a" "11dbfd4df93dae1382eddb0b11e90550dc557292681436bea59b9ca6ca8b483c", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/string/string_to_integer.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn string_to_integer(s: String) -> i32 {
[INFO] [stdout]   |                          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling algs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/string/string_to_integer.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn string_to_integer(s: String) -> i32 {
[INFO] [stdout]   |                          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "11dbfd4df93dae1382eddb0b11e90550dc557292681436bea59b9ca6ca8b483c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11dbfd4df93dae1382eddb0b11e90550dc557292681436bea59b9ca6ca8b483c", kill_on_drop: false }`
[INFO] [stdout] 11dbfd4df93dae1382eddb0b11e90550dc557292681436bea59b9ca6ca8b483c
[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=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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 735d20d7aaa88266b3dde841d75e5aaf7313db8d6cc192d8330ac1f588a6622b
[INFO] running `Command { std: "docker" "start" "-a" "735d20d7aaa88266b3dde841d75e5aaf7313db8d6cc192d8330ac1f588a6622b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/string/string_to_integer.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn string_to_integer(s: String) -> i32 {
[INFO] [stderr]   |                          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `algs` (lib) generated 1 warning
[INFO] [stderr] warning: `algs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/algs-401bb21046fba78f)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stderr]    Doc-tests algs
[INFO] [stdout] test int::reverse::reverse_neg_works ... ok
[INFO] [stdout] test int::reverse::reverse_works ... ok
[INFO] [stdout] test grid::pickup_two_collectors::test_grid ... ok
[INFO] [stdout] test int::reverse::zero_from_out_of_bounds_add ... ok
[INFO] [stdout] test int::reverse::zero_from_out_of_bounds_mult ... ok
[INFO] [stdout] test linked_list::add::add_simple ... ok
[INFO] [stdout] test string::longest_substring::long_substring ... ok
[INFO] [stdout] test string::longest_substring::no_chars ... ok
[INFO] [stdout] test string::longest_substring::one_char ... ok
[INFO] [stdout] test string::string_to_integer::returns_int ... ok
[INFO] [stdout] test string::longest_substring::repeating_chars ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "735d20d7aaa88266b3dde841d75e5aaf7313db8d6cc192d8330ac1f588a6622b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735d20d7aaa88266b3dde841d75e5aaf7313db8d6cc192d8330ac1f588a6622b", kill_on_drop: false }`
[INFO] [stdout] 735d20d7aaa88266b3dde841d75e5aaf7313db8d6cc192d8330ac1f588a6622b