[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 1.59.0 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-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackos/algs 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/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-4/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" "+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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8b713bd97c02c0015d5d9a9a5cb4d29c9f3941ee9bca70272a4a832252349cc7
[INFO] running `Command { std: "docker" "start" "-a" "8b713bd97c02c0015d5d9a9a5cb4d29c9f3941ee9bca70272a4a832252349cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b713bd97c02c0015d5d9a9a5cb4d29c9f3941ee9bca70272a4a832252349cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b713bd97c02c0015d5d9a9a5cb4d29c9f3941ee9bca70272a4a832252349cc7", kill_on_drop: false }`
[INFO] [stdout] 8b713bd97c02c0015d5d9a9a5cb4d29c9f3941ee9bca70272a4a832252349cc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b32269ff6c45960f713140744b1cd28987514e000bbdfb1d465931afca28a8b9
[INFO] running `Command { std: "docker" "start" "-a" "b32269ff6c45960f713140744b1cd28987514e000bbdfb1d465931afca28a8b9", 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 1.88s
[INFO] running `Command { std: "docker" "inspect" "b32269ff6c45960f713140744b1cd28987514e000bbdfb1d465931afca28a8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32269ff6c45960f713140744b1cd28987514e000bbdfb1d465931afca28a8b9", kill_on_drop: false }`
[INFO] [stdout] b32269ff6c45960f713140744b1cd28987514e000bbdfb1d465931afca28a8b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4e6f164a1249456576d145197f4df15f1207e1e3791aad2e884b94db989b108c
[INFO] running `Command { std: "docker" "start" "-a" "4e6f164a1249456576d145197f4df15f1207e1e3791aad2e884b94db989b108c", 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 0.49s
[INFO] running `Command { std: "docker" "inspect" "4e6f164a1249456576d145197f4df15f1207e1e3791aad2e884b94db989b108c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6f164a1249456576d145197f4df15f1207e1e3791aad2e884b94db989b108c", kill_on_drop: false }`
[INFO] [stdout] 4e6f164a1249456576d145197f4df15f1207e1e3791aad2e884b94db989b108c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d02e982aed388707a1bc58f73978c629f6de1ff0d7d8857e4bb79df82e9de79e
[INFO] running `Command { std: "docker" "start" "-a" "d02e982aed388707a1bc58f73978c629f6de1ff0d7d8857e4bb79df82e9de79e", 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 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/algs-9faaef4fe62e8cd2)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test int::reverse::reverse_neg_works ... ok
[INFO] [stdout] test int::reverse::zero_from_out_of_bounds_add ... 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_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::longest_substring::repeating_chars ... ok
[INFO] [stdout] test string::string_to_integer::returns_int ... 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] [stderr]    Doc-tests algs
[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" "d02e982aed388707a1bc58f73978c629f6de1ff0d7d8857e4bb79df82e9de79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02e982aed388707a1bc58f73978c629f6de1ff0d7d8857e4bb79df82e9de79e", kill_on_drop: false }`
[INFO] [stdout] d02e982aed388707a1bc58f73978c629f6de1ff0d7d8857e4bb79df82e9de79e