[INFO] updating cached repository https://github.com/asmoaesl/crack-rabbit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00a93e4001f4f1e5ccfbb14820de90943f4b59aa
[INFO] testing asmoaesl/crack-rabbit against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmoaesl%2Fcrack-rabbit" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asmoaesl/crack-rabbit on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asmoaesl/crack-rabbit
[INFO] finished tweaking git repo https://github.com/asmoaesl/crack-rabbit
[INFO] tweaked toml for git repo https://github.com/asmoaesl/crack-rabbit written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/asmoaesl/crack-rabbit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 387e10da51fc3db944e9116e595647bd3aabf308484d9ed56de1eeb42e6d0930
[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" "387e10da51fc3db944e9116e595647bd3aabf308484d9ed56de1eeb42e6d0930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "387e10da51fc3db944e9116e595647bd3aabf308484d9ed56de1eeb42e6d0930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387e10da51fc3db944e9116e595647bd3aabf308484d9ed56de1eeb42e6d0930", kill_on_drop: false }`
[INFO] [stdout] 387e10da51fc3db944e9116e595647bd3aabf308484d9ed56de1eeb42e6d0930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85a4262e7c772a8f04defbec3c42ef1be66e84c5e22332438cacf2612f44f05b
[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" "85a4262e7c772a8f04defbec3c42ef1be66e84c5e22332438cacf2612f44f05b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling claxon v0.3.3
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling slice-deque v0.2.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling minimp3 v0.3.3
[INFO] [stderr]    Compiling rodio v0.8.1
[INFO] [stderr]    Compiling crack_rabbit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/lib.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/lib.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> src/lib.rs:26:41
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn set_resize_handler<F>(&mut self, handler: F) where F: Fn(u32, u32) {
[INFO] [stdout]    |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.20s
[INFO] running `Command { std: "docker" "inspect" "85a4262e7c772a8f04defbec3c42ef1be66e84c5e22332438cacf2612f44f05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a4262e7c772a8f04defbec3c42ef1be66e84c5e22332438cacf2612f44f05b", kill_on_drop: false }`
[INFO] [stdout] 85a4262e7c772a8f04defbec3c42ef1be66e84c5e22332438cacf2612f44f05b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f3ce200569cd0d11a271135e5897013f78cd51aaa585082e9e5675381433ae0
[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" "4f3ce200569cd0d11a271135e5897013f78cd51aaa585082e9e5675381433ae0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crack_rabbit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/lib.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/lib.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> src/lib.rs:26:41
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn set_resize_handler<F>(&mut self, handler: F) where F: Fn(u32, u32) {
[INFO] [stdout]    |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/lib.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/lib.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> src/lib.rs:26:41
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn set_resize_handler<F>(&mut self, handler: F) where F: Fn(u32, u32) {
[INFO] [stdout]    |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "4f3ce200569cd0d11a271135e5897013f78cd51aaa585082e9e5675381433ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3ce200569cd0d11a271135e5897013f78cd51aaa585082e9e5675381433ae0", kill_on_drop: false }`
[INFO] [stdout] 4f3ce200569cd0d11a271135e5897013f78cd51aaa585082e9e5675381433ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 632cf99d3d570c1e66751d6097cd2f79a5907f486109ad1643f2a7ff30f59201
[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" "632cf99d3d570c1e66751d6097cd2f79a5907f486109ad1643f2a7ff30f59201", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/lib.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/lib.rs:11:32
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stderr]    |                                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handler`
[INFO] [stderr]   --> src/lib.rs:26:41
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn set_resize_handler<F>(&mut self, handler: F) where F: Fn(u32, u32) {
[INFO] [stderr]    |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/lib.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/lib.rs:11:32
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stderr]    |                                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handler`
[INFO] [stderr]   --> src/lib.rs:26:41
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn set_resize_handler<F>(&mut self, handler: F) where F: Fn(u32, u32) {
[INFO] [stderr]    |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crack_rabbit-a6cd0a0c1add6337
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests crack_rabbit
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "632cf99d3d570c1e66751d6097cd2f79a5907f486109ad1643f2a7ff30f59201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632cf99d3d570c1e66751d6097cd2f79a5907f486109ad1643f2a7ff30f59201", kill_on_drop: false }`
[INFO] [stdout] 632cf99d3d570c1e66751d6097cd2f79a5907f486109ad1643f2a7ff30f59201