[INFO] cloning repository https://github.com/walkerrandolphsmith/rust-data-structures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/walkerrandolphsmith/rust-data-structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalkerrandolphsmith%2Frust-data-structures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalkerrandolphsmith%2Frust-data-structures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e5b989378823c3a9ba0392ba2df0740947ecbef
[INFO] testing walkerrandolphsmith/rust-data-structures 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%2Fwalkerrandolphsmith%2Frust-data-structures" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/walkerrandolphsmith/rust-data-structures 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/walkerrandolphsmith/rust-data-structures
[INFO] finished tweaking git repo https://github.com/walkerrandolphsmith/rust-data-structures
[INFO] tweaked toml for git repo https://github.com/walkerrandolphsmith/rust-data-structures written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/walkerrandolphsmith/rust-data-structures 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] f6bb655e96078c80f1c8958c7d75a45501d3a4a5618375a22a34394763a2e9a9
[INFO] running `Command { std: "docker" "start" "-a" "f6bb655e96078c80f1c8958c7d75a45501d3a4a5618375a22a34394763a2e9a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6bb655e96078c80f1c8958c7d75a45501d3a4a5618375a22a34394763a2e9a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6bb655e96078c80f1c8958c7d75a45501d3a4a5618375a22a34394763a2e9a9", kill_on_drop: false }`
[INFO] [stdout] f6bb655e96078c80f1c8958c7d75a45501d3a4a5618375a22a34394763a2e9a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d5693f204b4ee10d2491196374624d4ceae40e9b810db5e2bbcf6b5157c467d4
[INFO] running `Command { std: "docker" "start" "-a" "d5693f204b4ee10d2491196374624d4ceae40e9b810db5e2bbcf6b5157c467d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_data_structures v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "d5693f204b4ee10d2491196374624d4ceae40e9b810db5e2bbcf6b5157c467d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5693f204b4ee10d2491196374624d4ceae40e9b810db5e2bbcf6b5157c467d4", kill_on_drop: false }`
[INFO] [stdout] d5693f204b4ee10d2491196374624d4ceae40e9b810db5e2bbcf6b5157c467d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 8cb55bfa14a2c2bcc61aa532b28ef2391903e06464c5488f6dc94968b42a612b
[INFO] running `Command { std: "docker" "start" "-a" "8cb55bfa14a2c2bcc61aa532b28ef2391903e06464c5488f6dc94968b42a612b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_data_structures v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `should_add_two`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn should_add_two() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 0.44s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_data_structures-8e34d7d7a5c8129a)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_data_structures-74e9d68a48607da9)
[INFO] running `Command { std: "docker" "inspect" "8cb55bfa14a2c2bcc61aa532b28ef2391903e06464c5488f6dc94968b42a612b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb55bfa14a2c2bcc61aa532b28ef2391903e06464c5488f6dc94968b42a612b", kill_on_drop: false }`
[INFO] [stdout] 8cb55bfa14a2c2bcc61aa532b28ef2391903e06464c5488f6dc94968b42a612b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 01a177dab9cae7df2cc97853f480043b0b56008ff15353591e1495066b579d11
[INFO] running `Command { std: "docker" "start" "-a" "01a177dab9cae7df2cc97853f480043b0b56008ff15353591e1495066b579d11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `should_add_two`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn should_add_two() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_data_structures` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_data_structures-8e34d7d7a5c8129a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::ignored_test ... ignored
[INFO] [stdout] test tests::equality ... ok
[INFO] [stdout] test tests::should_not_panic ... ok
[INFO] [stdout] test tests::equality_should_panic - should panic ... ok
[INFO] [stdout] test tests::should_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_data_structures-74e9d68a48607da9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::prints_hello_world ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_data_structures
[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" "01a177dab9cae7df2cc97853f480043b0b56008ff15353591e1495066b579d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a177dab9cae7df2cc97853f480043b0b56008ff15353591e1495066b579d11", kill_on_drop: false }`
[INFO] [stdout] 01a177dab9cae7df2cc97853f480043b0b56008ff15353591e1495066b579d11