[INFO] fetching crate vbox 0.1.0...
[INFO] testing vbox-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate vbox 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vbox 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58e9bcde1d4f3d3fc4993e8dc4a75c41c89caa24582ceefb2458a0f43ace69f5
[INFO] running `Command { std: "docker" "start" "-a" "58e9bcde1d4f3d3fc4993e8dc4a75c41c89caa24582ceefb2458a0f43ace69f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58e9bcde1d4f3d3fc4993e8dc4a75c41c89caa24582ceefb2458a0f43ace69f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e9bcde1d4f3d3fc4993e8dc4a75c41c89caa24582ceefb2458a0f43ace69f5", kill_on_drop: false }`
[INFO] [stdout] 58e9bcde1d4f3d3fc4993e8dc4a75c41c89caa24582ceefb2458a0f43ace69f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f840d8cbc326c31edb110d8e473d7b01101e3d85a1b65e48174001026fe359c5
[INFO] running `Command { std: "docker" "start" "-a" "f840d8cbc326c31edb110d8e473d7b01101e3d85a1b65e48174001026fe359c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling vbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "f840d8cbc326c31edb110d8e473d7b01101e3d85a1b65e48174001026fe359c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f840d8cbc326c31edb110d8e473d7b01101e3d85a1b65e48174001026fe359c5", kill_on_drop: false }`
[INFO] [stdout] f840d8cbc326c31edb110d8e473d7b01101e3d85a1b65e48174001026fe359c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4c32a1fb9501838534ceb7f96f5bf93fe8b8fa257f80e2d2b450eb2969bf183
[INFO] running `Command { std: "docker" "start" "-a" "a4c32a1fb9501838534ceb7f96f5bf93fe8b8fa257f80e2d2b450eb2969bf183", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "a4c32a1fb9501838534ceb7f96f5bf93fe8b8fa257f80e2d2b450eb2969bf183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c32a1fb9501838534ceb7f96f5bf93fe8b8fa257f80e2d2b450eb2969bf183", kill_on_drop: false }`
[INFO] [stdout] a4c32a1fb9501838534ceb7f96f5bf93fe8b8fa257f80e2d2b450eb2969bf183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f489ffe3981087a749fb8a6bc33fc4bbd8ce14d1c1382fd88bd35f7d84dd38d3
[INFO] running `Command { std: "docker" "start" "-a" "f489ffe3981087a749fb8a6bc33fc4bbd8ce14d1c1382fd88bd35f7d84dd38d3", 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)]` (part of `#[warn(unused)]`) 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vbox-801fc434db0e8011)
[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-4ec90c373957f192)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_drop ... ok
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_fn_once ... ok
[INFO] [stdout] test test_plus ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f489ffe3981087a749fb8a6bc33fc4bbd8ce14d1c1382fd88bd35f7d84dd38d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f489ffe3981087a749fb8a6bc33fc4bbd8ce14d1c1382fd88bd35f7d84dd38d3", kill_on_drop: false }`
[INFO] [stdout] f489ffe3981087a749fb8a6bc33fc4bbd8ce14d1c1382fd88bd35f7d84dd38d3