[INFO] fetching crate vbox 0.1.0...
[INFO] testing vbox-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate vbox 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate vbox 0.1.0
[INFO] finished tweaking crates.io crate vbox 0.1.0
[INFO] tweaked toml for crates.io crate vbox 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vbox 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26e68fb5144879e165f6d9973fadb135b0b29049b8485679287dd6449d05a9cc
[INFO] running `Command { std: "docker" "start" "-a" "26e68fb5144879e165f6d9973fadb135b0b29049b8485679287dd6449d05a9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e68fb5144879e165f6d9973fadb135b0b29049b8485679287dd6449d05a9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e68fb5144879e165f6d9973fadb135b0b29049b8485679287dd6449d05a9cc", kill_on_drop: false }`
[INFO] [stdout] 26e68fb5144879e165f6d9973fadb135b0b29049b8485679287dd6449d05a9cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c84c4e8684f2b134462a1332cf230266d45918bd2cca4f8278d90ea3304d55e
[INFO] running `Command { std: "docker" "start" "-a" "7c84c4e8684f2b134462a1332cf230266d45918bd2cca4f8278d90ea3304d55e", kill_on_drop: false }`
[INFO] [stderr]    Compiling vbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "7c84c4e8684f2b134462a1332cf230266d45918bd2cca4f8278d90ea3304d55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c84c4e8684f2b134462a1332cf230266d45918bd2cca4f8278d90ea3304d55e", kill_on_drop: false }`
[INFO] [stdout] 7c84c4e8684f2b134462a1332cf230266d45918bd2cca4f8278d90ea3304d55e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99718ffa14708ec7a5819151a8606fd158fcbcf86816338df4f07f7805e0a31c
[INFO] running `Command { std: "docker" "start" "-a" "99718ffa14708ec7a5819151a8606fd158fcbcf86816338df4f07f7805e0a31c", kill_on_drop: false }`
[INFO] [stderr]    Compiling vbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `plus` is never used
[INFO] [stdout]   --> tests/test_vtbox.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     trait Plus {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] 75 |         fn plus(&self, s: u64) -> u64;
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "99718ffa14708ec7a5819151a8606fd158fcbcf86816338df4f07f7805e0a31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99718ffa14708ec7a5819151a8606fd158fcbcf86816338df4f07f7805e0a31c", kill_on_drop: false }`
[INFO] [stdout] 99718ffa14708ec7a5819151a8606fd158fcbcf86816338df4f07f7805e0a31c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27573e58a03295457274cd3688893f899f3d438cd9502c943eeb9022a1436d55
[INFO] running `Command { std: "docker" "start" "-a" "27573e58a03295457274cd3688893f899f3d438cd9502c943eeb9022a1436d55", kill_on_drop: false }`
[INFO] [stderr] warning: method `plus` is never used
[INFO] [stderr]   --> tests/test_vtbox.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     trait Plus {
[INFO] [stderr]    |           ---- method in this trait
[INFO] [stderr] 75 |         fn plus(&self, s: u64) -> u64;
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vbox` (test "test_vtbox") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vbox-1999e132acb08bb2)
[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 tests/test_vtbox.rs (/opt/rustwide/target/debug/deps/test_vtbox-b2a1e908f7ceee93)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_drop ... ok
[INFO] [stdout] test test_plus ... ok
[INFO] [stdout] test test_fn_once ... ok
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vbox
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27573e58a03295457274cd3688893f899f3d438cd9502c943eeb9022a1436d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27573e58a03295457274cd3688893f899f3d438cd9502c943eeb9022a1436d55", kill_on_drop: false }`
[INFO] [stdout] 27573e58a03295457274cd3688893f899f3d438cd9502c943eeb9022a1436d55