[INFO] cloning repository https://github.com/Ks5810/bored
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ks5810/bored" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKs5810%2Fbored", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKs5810%2Fbored'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b21d14daac112e2a98ee17e2fa6b4d0679b242b
[INFO] testing Ks5810/bored 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%2FKs5810%2Fbored" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ks5810/bored 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/Ks5810/bored
[INFO] finished tweaking git repo https://github.com/Ks5810/bored
[INFO] tweaked toml for git repo https://github.com/Ks5810/bored written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Ks5810/bored 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a728a446f6bb9bca7008fb24bf34e7db78d2665cfcbda0e3afa64d125c5e8cea
[INFO] running `Command { std: "docker" "start" "-a" "a728a446f6bb9bca7008fb24bf34e7db78d2665cfcbda0e3afa64d125c5e8cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a728a446f6bb9bca7008fb24bf34e7db78d2665cfcbda0e3afa64d125c5e8cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a728a446f6bb9bca7008fb24bf34e7db78d2665cfcbda0e3afa64d125c5e8cea", kill_on_drop: false }`
[INFO] [stdout] a728a446f6bb9bca7008fb24bf34e7db78d2665cfcbda0e3afa64d125c5e8cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4da2a0af0042b57bfe0135a1cbe4a83b6af0cf01c59b6fa51b44ed7d5c384c57
[INFO] running `Command { std: "docker" "start" "-a" "4da2a0af0042b57bfe0135a1cbe4a83b6af0cf01c59b6fa51b44ed7d5c384c57", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v0.4.1
[INFO] [stderr]    Compiling priority-queue v0.6.0
[INFO] [stderr]    Compiling graph_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/disjoint_set.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     size: usize
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DisjointSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/disjoint_set.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "4da2a0af0042b57bfe0135a1cbe4a83b6af0cf01c59b6fa51b44ed7d5c384c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da2a0af0042b57bfe0135a1cbe4a83b6af0cf01c59b6fa51b44ed7d5c384c57", kill_on_drop: false }`
[INFO] [stdout] 4da2a0af0042b57bfe0135a1cbe4a83b6af0cf01c59b6fa51b44ed7d5c384c57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2a85c2456d47b85d0423a3351b7ecc78a034cd216c022bdcecdeaa0b95a067dd
[INFO] running `Command { std: "docker" "start" "-a" "2a85c2456d47b85d0423a3351b7ecc78a034cd216c022bdcecdeaa0b95a067dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/disjoint_set.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     size: usize
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DisjointSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/disjoint_set.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/disjoint_set.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     size: usize
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DisjointSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/disjoint_set.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph_practice-5460190f427d37ed)
[INFO] [stderr]   Executable unittests src/bin/exec.rs (/opt/rustwide/target/debug/deps/exec-9ae12ed9bd5909d3)
[INFO] running `Command { std: "docker" "inspect" "2a85c2456d47b85d0423a3351b7ecc78a034cd216c022bdcecdeaa0b95a067dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a85c2456d47b85d0423a3351b7ecc78a034cd216c022bdcecdeaa0b95a067dd", kill_on_drop: false }`
[INFO] [stdout] 2a85c2456d47b85d0423a3351b7ecc78a034cd216c022bdcecdeaa0b95a067dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d133e75c0d10f4262f19445b1111171bbbe374ce219a333e39ddbab30c6d2a61
[INFO] running `Command { std: "docker" "start" "-a" "d133e75c0d10f4262f19445b1111171bbbe374ce219a333e39ddbab30c6d2a61", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/disjoint_set.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     size: usize
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `DisjointSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/disjoint_set.rs:9:10
[INFO] [stderr]    |
[INFO] [stderr] 9  | #[derive(Debug, Clone)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `graph_practice` (lib) generated 1 warning
[INFO] [stderr] warning: `graph_practice` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph_practice-5460190f427d37ed)
[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] [stderr]      Running unittests src/bin/exec.rs (/opt/rustwide/target/debug/deps/exec-9ae12ed9bd5909d3)
[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] [stderr]    Doc-tests graph_practice
[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" "d133e75c0d10f4262f19445b1111171bbbe374ce219a333e39ddbab30c6d2a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d133e75c0d10f4262f19445b1111171bbbe374ce219a333e39ddbab30c6d2a61", kill_on_drop: false }`
[INFO] [stdout] d133e75c0d10f4262f19445b1111171bbbe374ce219a333e39ddbab30c6d2a61