[INFO] cloning repository https://github.com/bazhenov/rust-coredump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bazhenov/rust-coredump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbazhenov%2Frust-coredump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbazhenov%2Frust-coredump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 125c7b502c1431b0d8de1737c537e65e4d23f006
[INFO] testing bazhenov/rust-coredump against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbazhenov%2Frust-coredump" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bazhenov/rust-coredump on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bazhenov/rust-coredump
[INFO] finished tweaking git repo https://github.com/bazhenov/rust-coredump
[INFO] tweaked toml for git repo https://github.com/bazhenov/rust-coredump written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/bazhenov/rust-coredump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c0706aba38970fd7307aa45c98144ff1bbc20146eadfb2e17cc990be3473f4c
[INFO] running `Command { std: "docker" "start" "-a" "6c0706aba38970fd7307aa45c98144ff1bbc20146eadfb2e17cc990be3473f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c0706aba38970fd7307aa45c98144ff1bbc20146eadfb2e17cc990be3473f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0706aba38970fd7307aa45c98144ff1bbc20146eadfb2e17cc990be3473f4c", kill_on_drop: false }`
[INFO] [stdout] 6c0706aba38970fd7307aa45c98144ff1bbc20146eadfb2e17cc990be3473f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f34862ed70344544917762e8a422bf7cfd34679ca9b5cf83fa6f32bd80115695
[INFO] running `Command { std: "docker" "start" "-a" "f34862ed70344544917762e8a422bf7cfd34679ca9b5cf83fa6f32bd80115695", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-debugging v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "f34862ed70344544917762e8a422bf7cfd34679ca9b5cf83fa6f32bd80115695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34862ed70344544917762e8a422bf7cfd34679ca9b5cf83fa6f32bd80115695", kill_on_drop: false }`
[INFO] [stdout] f34862ed70344544917762e8a422bf7cfd34679ca9b5cf83fa6f32bd80115695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71a56a44afeb4cd91203ac551e9ce46a545f40f4079047497556c0d3bf86f5fe
[INFO] running `Command { std: "docker" "start" "-a" "71a56a44afeb4cd91203ac551e9ce46a545f40f4079047497556c0d3bf86f5fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-debugging v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s_copy`
[INFO] [stdout]  --> examples/core-dump.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let s_copy = s.to_owned();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_copy`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> examples/core-dump.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let v = vec![1, 2, 3];
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_debugging-962011f6a7288d69)
[INFO] running `Command { std: "docker" "inspect" "71a56a44afeb4cd91203ac551e9ce46a545f40f4079047497556c0d3bf86f5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a56a44afeb4cd91203ac551e9ce46a545f40f4079047497556c0d3bf86f5fe", kill_on_drop: false }`
[INFO] [stdout] 71a56a44afeb4cd91203ac551e9ce46a545f40f4079047497556c0d3bf86f5fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ddbfe5342cc6a8da4cf4a476bddc3a6fba9ce9d4a417de2038036002d372dbc
[INFO] running `Command { std: "docker" "start" "-a" "5ddbfe5342cc6a8da4cf4a476bddc3a6fba9ce9d4a417de2038036002d372dbc", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `s_copy`
[INFO] [stderr]  --> examples/core-dump.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let s_copy = s.to_owned();
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_copy`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]  --> examples/core-dump.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let v = vec![1, 2, 3];
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-debugging` (example "core-dump") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_debugging-962011f6a7288d69)
[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" "5ddbfe5342cc6a8da4cf4a476bddc3a6fba9ce9d4a417de2038036002d372dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ddbfe5342cc6a8da4cf4a476bddc3a6fba9ce9d4a417de2038036002d372dbc", kill_on_drop: false }`
[INFO] [stdout] 5ddbfe5342cc6a8da4cf4a476bddc3a6fba9ce9d4a417de2038036002d372dbc