[INFO] fetching crate add_one_test 0.1.0...
[INFO] testing add_one_test-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate add_one_test 0.1.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate add_one_test 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate add_one_test 0.1.0
[INFO] finished tweaking crates.io crate add_one_test 0.1.0
[INFO] tweaked toml for crates.io crate add_one_test 0.1.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ae92c27de761c8e5fbffeb70a2df97d7451c553c2de1dbfec41b0dc8960a991
[INFO] running `Command { std: "docker" "start" "-a" "6ae92c27de761c8e5fbffeb70a2df97d7451c553c2de1dbfec41b0dc8960a991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae92c27de761c8e5fbffeb70a2df97d7451c553c2de1dbfec41b0dc8960a991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae92c27de761c8e5fbffeb70a2df97d7451c553c2de1dbfec41b0dc8960a991", kill_on_drop: false }`
[INFO] [stdout] 6ae92c27de761c8e5fbffeb70a2df97d7451c553c2de1dbfec41b0dc8960a991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb6e6e32c8712590d035c0cb50b15938cf8e46d947520b3b3ea4e95ed10517c3
[INFO] running `Command { std: "docker" "start" "-a" "fb6e6e32c8712590d035c0cb50b15938cf8e46d947520b3b3ea4e95ed10517c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling add_one_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "fb6e6e32c8712590d035c0cb50b15938cf8e46d947520b3b3ea4e95ed10517c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6e6e32c8712590d035c0cb50b15938cf8e46d947520b3b3ea4e95ed10517c3", kill_on_drop: false }`
[INFO] [stdout] fb6e6e32c8712590d035c0cb50b15938cf8e46d947520b3b3ea4e95ed10517c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ef9ace2027a6d87b1cb855e06a0a155155652f10f198647d910e383f009c7c0
[INFO] running `Command { std: "docker" "start" "-a" "9ef9ace2027a6d87b1cb855e06a0a155155652f10f198647d910e383f009c7c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling add_one_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 0.47s
[INFO] running `Command { std: "docker" "inspect" "9ef9ace2027a6d87b1cb855e06a0a155155652f10f198647d910e383f009c7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef9ace2027a6d87b1cb855e06a0a155155652f10f198647d910e383f009c7c0", kill_on_drop: false }`
[INFO] [stdout] 9ef9ace2027a6d87b1cb855e06a0a155155652f10f198647d910e383f009c7c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43a94d2896cfed6b3b34904cfa1be1845717279e34896c028473a4d7e0cf8042
[INFO] running `Command { std: "docker" "start" "-a" "43a94d2896cfed6b3b34904cfa1be1845717279e34896c028473a4d7e0cf8042", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `add_one_test` (lib) generated 1 warning
[INFO] [stderr] warning: `add_one_test` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/add_one_test-82119effa0e4d281)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests add_one_test
[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" "43a94d2896cfed6b3b34904cfa1be1845717279e34896c028473a4d7e0cf8042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a94d2896cfed6b3b34904cfa1be1845717279e34896c028473a4d7e0cf8042", kill_on_drop: false }`
[INFO] [stdout] 43a94d2896cfed6b3b34904cfa1be1845717279e34896c028473a4d7e0cf8042