[INFO] fetching crate doubts 0.1.0...
[INFO] testing doubts-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate doubts 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate doubts 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 doubts 0.1.0
[INFO] finished tweaking crates.io crate doubts 0.1.0
[INFO] tweaked toml for crates.io crate doubts 0.1.0 written to /workspace/builds/worker-17/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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] b1c482f14aa832953f0cbdc658cec6d4a090528f36ac1450f53943278b5928c4
[INFO] running `Command { std: "docker" "start" "-a" "b1c482f14aa832953f0cbdc658cec6d4a090528f36ac1450f53943278b5928c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1c482f14aa832953f0cbdc658cec6d4a090528f36ac1450f53943278b5928c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c482f14aa832953f0cbdc658cec6d4a090528f36ac1450f53943278b5928c4", kill_on_drop: false }`
[INFO] [stdout] b1c482f14aa832953f0cbdc658cec6d4a090528f36ac1450f53943278b5928c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] fd7aa40d17a7c1bcad7349b6cbb43c19795e3f8dcbc7b8643a94938567d8727b
[INFO] running `Command { std: "docker" "start" "-a" "fd7aa40d17a7c1bcad7349b6cbb43c19795e3f8dcbc7b8643a94938567d8727b", kill_on_drop: false }`
[INFO] [stderr]    Compiling doubts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "fd7aa40d17a7c1bcad7349b6cbb43c19795e3f8dcbc7b8643a94938567d8727b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7aa40d17a7c1bcad7349b6cbb43c19795e3f8dcbc7b8643a94938567d8727b", kill_on_drop: false }`
[INFO] [stdout] fd7aa40d17a7c1bcad7349b6cbb43c19795e3f8dcbc7b8643a94938567d8727b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] a2cd13bdc8a2b7890c7a6cc0cf4e30f724364a8e396eca983f0277ba7c7bb6b2
[INFO] running `Command { std: "docker" "start" "-a" "a2cd13bdc8a2b7890c7a6cc0cf4e30f724364a8e396eca983f0277ba7c7bb6b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling doubts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "a2cd13bdc8a2b7890c7a6cc0cf4e30f724364a8e396eca983f0277ba7c7bb6b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2cd13bdc8a2b7890c7a6cc0cf4e30f724364a8e396eca983f0277ba7c7bb6b2", kill_on_drop: false }`
[INFO] [stdout] a2cd13bdc8a2b7890c7a6cc0cf4e30f724364a8e396eca983f0277ba7c7bb6b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] d2d96ca51345dd1fe21d9ec7c585dbf410ed56f69814284d788cdd8bda9b83c2
[INFO] running `Command { std: "docker" "start" "-a" "d2d96ca51345dd1fe21d9ec7c585dbf410ed56f69814284d788cdd8bda9b83c2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/doubts-9fc1d4408d408cca)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests doubts
[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 6 tests
[INFO] [stdout] test src/lib.rs - assert_that (line 64) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 42) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 30) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 15) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 53) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d2d96ca51345dd1fe21d9ec7c585dbf410ed56f69814284d788cdd8bda9b83c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d96ca51345dd1fe21d9ec7c585dbf410ed56f69814284d788cdd8bda9b83c2", kill_on_drop: false }`
[INFO] [stdout] d2d96ca51345dd1fe21d9ec7c585dbf410ed56f69814284d788cdd8bda9b83c2