[INFO] fetching crate vbox 0.1.0...
[INFO] testing vbox-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[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 c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 543346df44ba78553ebf94c9ad33c50d612c1471a1f19ddcc8f7f387d164380c
[INFO] running `Command { std: "docker" "start" "-a" "543346df44ba78553ebf94c9ad33c50d612c1471a1f19ddcc8f7f387d164380c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "543346df44ba78553ebf94c9ad33c50d612c1471a1f19ddcc8f7f387d164380c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543346df44ba78553ebf94c9ad33c50d612c1471a1f19ddcc8f7f387d164380c", kill_on_drop: false }`
[INFO] [stdout] 543346df44ba78553ebf94c9ad33c50d612c1471a1f19ddcc8f7f387d164380c
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce1241db498071c5199eda4720af006b5faaeb97c6726e5ce22adecb5e3bfaa9
[INFO] running `Command { std: "docker" "start" "-a" "ce1241db498071c5199eda4720af006b5faaeb97c6726e5ce22adecb5e3bfaa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling vbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "ce1241db498071c5199eda4720af006b5faaeb97c6726e5ce22adecb5e3bfaa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1241db498071c5199eda4720af006b5faaeb97c6726e5ce22adecb5e3bfaa9", kill_on_drop: false }`
[INFO] [stdout] ce1241db498071c5199eda4720af006b5faaeb97c6726e5ce22adecb5e3bfaa9
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e991a7e37a385407d14d91ee8d417abe9aef854c2f5f1f66082bfade2707391
[INFO] running `Command { std: "docker" "start" "-a" "1e991a7e37a385407d14d91ee8d417abe9aef854c2f5f1f66082bfade2707391", 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 0.33s
[INFO] running `Command { std: "docker" "inspect" "1e991a7e37a385407d14d91ee8d417abe9aef854c2f5f1f66082bfade2707391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e991a7e37a385407d14d91ee8d417abe9aef854c2f5f1f66082bfade2707391", kill_on_drop: false }`
[INFO] [stdout] 1e991a7e37a385407d14d91ee8d417abe9aef854c2f5f1f66082bfade2707391
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 857ef580fa7394f6462f796ce62b415ad6a6bfc2236aedc4caba63b1bb91108e
[INFO] running `Command { std: "docker" "start" "-a" "857ef580fa7394f6462f796ce62b415ad6a6bfc2236aedc4caba63b1bb91108e", 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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vbox-319bdb66abceef82)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/test_vtbox.rs (/opt/rustwide/target/debug/deps/test_vtbox-9fa6420815b82f25)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_drop ... 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 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "857ef580fa7394f6462f796ce62b415ad6a6bfc2236aedc4caba63b1bb91108e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857ef580fa7394f6462f796ce62b415ad6a6bfc2236aedc4caba63b1bb91108e", kill_on_drop: false }`
[INFO] [stdout] 857ef580fa7394f6462f796ce62b415ad6a6bfc2236aedc4caba63b1bb91108e