[INFO] fetching crate vbox 0.1.0...
[INFO] testing vbox-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate vbox 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vbox 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88740ba595bdb8f533fdb201cf3a0f0fd8dff58495b10dc8cb664cbb30c32e02
[INFO] running `Command { std: "docker" "start" "-a" "88740ba595bdb8f533fdb201cf3a0f0fd8dff58495b10dc8cb664cbb30c32e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88740ba595bdb8f533fdb201cf3a0f0fd8dff58495b10dc8cb664cbb30c32e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88740ba595bdb8f533fdb201cf3a0f0fd8dff58495b10dc8cb664cbb30c32e02", kill_on_drop: false }`
[INFO] [stdout] 88740ba595bdb8f533fdb201cf3a0f0fd8dff58495b10dc8cb664cbb30c32e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddc3dd1689b4dfacf895a6b7332f49bfe49f41808f43adc2fffadd969ae1fd2c
[INFO] running `Command { std: "docker" "start" "-a" "ddc3dd1689b4dfacf895a6b7332f49bfe49f41808f43adc2fffadd969ae1fd2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling vbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "ddc3dd1689b4dfacf895a6b7332f49bfe49f41808f43adc2fffadd969ae1fd2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc3dd1689b4dfacf895a6b7332f49bfe49f41808f43adc2fffadd969ae1fd2c", kill_on_drop: false }`
[INFO] [stdout] ddc3dd1689b4dfacf895a6b7332f49bfe49f41808f43adc2fffadd969ae1fd2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7fdced2d276a6b56c123bcb48e0e903f33ce44974a3b9c9a30af5cb71fbfb9e
[INFO] running `Command { std: "docker" "start" "-a" "b7fdced2d276a6b56c123bcb48e0e903f33ce44974a3b9c9a30af5cb71fbfb9e", 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 0.47s
[INFO] running `Command { std: "docker" "inspect" "b7fdced2d276a6b56c123bcb48e0e903f33ce44974a3b9c9a30af5cb71fbfb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fdced2d276a6b56c123bcb48e0e903f33ce44974a3b9c9a30af5cb71fbfb9e", kill_on_drop: false }`
[INFO] [stdout] b7fdced2d276a6b56c123bcb48e0e903f33ce44974a3b9c9a30af5cb71fbfb9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6d55c0159809d049ff2b90d614d9229a660700e63e88bcfbcb483285413aaaf
[INFO] running `Command { std: "docker" "start" "-a" "f6d55c0159809d049ff2b90d614d9229a660700e63e88bcfbcb483285413aaaf", kill_on_drop: false }`
[INFO] [stderr] warning: method `plus` is never used
[INFO] [stdout] 
[INFO] [stderr]   --> tests/test_vtbox.rs:75:12
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 74 |     trait Plus {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |           ---- method in this trait
[INFO] [stdout] 
[INFO] [stderr] 75 |         fn plus(&self, s: u64) -> u64;
[INFO] [stdout] 
[INFO] [stderr]    |            ^^^^
[INFO] [stdout] running 4 tests
[INFO] [stderr]    |
[INFO] [stdout] test test_fn_once ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test test_drop ... ok
[INFO] [stderr] 
[INFO] [stdout] test test_plus ... ok
[INFO] [stderr] warning: `vbox` (test "test_vtbox") generated 1 warning
[INFO] [stdout] test test_debug ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vbox-319bdb66abceef82)
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]      Running tests/test_vtbox.rs (/opt/rustwide/target/debug/deps/test_vtbox-9fa6420815b82f25)
[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 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6d55c0159809d049ff2b90d614d9229a660700e63e88bcfbcb483285413aaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d55c0159809d049ff2b90d614d9229a660700e63e88bcfbcb483285413aaaf", kill_on_drop: false }`
[INFO] [stdout] f6d55c0159809d049ff2b90d614d9229a660700e63e88bcfbcb483285413aaaf