[INFO] cloning repository https://github.com/Wikiko/slave-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wikiko/slave-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWikiko%2Fslave-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWikiko%2Fslave-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c276ae25eb100ebb4a98c4fc3f36c7377a410676
[INFO] testing Wikiko/slave-bot against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWikiko%2Fslave-bot" "/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/Wikiko/slave-bot on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wikiko/slave-bot
[INFO] finished tweaking git repo https://github.com/Wikiko/slave-bot
[INFO] tweaked toml for git repo https://github.com/Wikiko/slave-bot written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Wikiko/slave-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d948fe1ade702185454267d6b1e48fc4e71c81ada32f46edd774890b9fc45fd
[INFO] running `Command { std: "docker" "start" "-a" "1d948fe1ade702185454267d6b1e48fc4e71c81ada32f46edd774890b9fc45fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d948fe1ade702185454267d6b1e48fc4e71c81ada32f46edd774890b9fc45fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d948fe1ade702185454267d6b1e48fc4e71c81ada32f46edd774890b9fc45fd", kill_on_drop: false }`
[INFO] [stdout] 1d948fe1ade702185454267d6b1e48fc4e71c81ada32f46edd774890b9fc45fd
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4485bf921842cdbdf85f80816015d9e13ecc4d10f024816152f74cc3966e22fd
[INFO] running `Command { std: "docker" "start" "-a" "4485bf921842cdbdf85f80816015d9e13ecc4d10f024816152f74cc3966e22fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling slave v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `last_version_number`
[INFO] [stdout]    --> src/main.rs:107:21
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let last_version_number: i32 = last_version_number
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_version_number`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     file: File,
[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: `get_next_version_code`
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn get_next_version_code(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increment_version_of_gradle`
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn increment_version_of_gradle() -> Result<(), io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.17s
[INFO] running `Command { std: "docker" "inspect" "4485bf921842cdbdf85f80816015d9e13ecc4d10f024816152f74cc3966e22fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4485bf921842cdbdf85f80816015d9e13ecc4d10f024816152f74cc3966e22fd", kill_on_drop: false }`
[INFO] [stdout] 4485bf921842cdbdf85f80816015d9e13ecc4d10f024816152f74cc3966e22fd
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c02b233a8c3a124a09e1835eff2d01b17a79968dbbbd834959b22df8b3a647
[INFO] running `Command { std: "docker" "start" "-a" "87c02b233a8c3a124a09e1835eff2d01b17a79968dbbbd834959b22df8b3a647", kill_on_drop: false }`
[INFO] [stderr]    Compiling slave v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `last_version_number`
[INFO] [stdout]    --> src/main.rs:107:21
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let last_version_number: i32 = last_version_number
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_version_number`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     file: File,
[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: `get_next_version_code`
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn get_next_version_code(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increment_version_of_gradle`
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn increment_version_of_gradle() -> Result<(), io::Error> {
[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 0.79s
[INFO] running `Command { std: "docker" "inspect" "87c02b233a8c3a124a09e1835eff2d01b17a79968dbbbd834959b22df8b3a647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c02b233a8c3a124a09e1835eff2d01b17a79968dbbbd834959b22df8b3a647", kill_on_drop: false }`
[INFO] [stdout] 87c02b233a8c3a124a09e1835eff2d01b17a79968dbbbd834959b22df8b3a647
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a1d10bd9aff73a1867e5d96fa2bf1896119c87197bb1b57ce3aa5e5e9d17fbe
[INFO] running `Command { std: "docker" "start" "-a" "5a1d10bd9aff73a1867e5d96fa2bf1896119c87197bb1b57ce3aa5e5e9d17fbe", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `last_version_number`
[INFO] [stderr]    --> src/main.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 let last_version_number: i32 = last_version_number
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_version_number`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `file`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     file: File,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_next_version_code`
[INFO] [stderr]   --> src/main.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn get_next_version_code(&self) -> u8 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increment_version_of_gradle`
[INFO] [stderr]   --> src/main.rs:93:4
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn increment_version_of_gradle() -> Result<(), io::Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `slave` (bin "slave" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slave-205b4989a001935b)
[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" "5a1d10bd9aff73a1867e5d96fa2bf1896119c87197bb1b57ce3aa5e5e9d17fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1d10bd9aff73a1867e5d96fa2bf1896119c87197bb1b57ce3aa5e5e9d17fbe", kill_on_drop: false }`
[INFO] [stdout] 5a1d10bd9aff73a1867e5d96fa2bf1896119c87197bb1b57ce3aa5e5e9d17fbe