[INFO] fetching crate possum 0.1.0...
[INFO] testing possum-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate possum 0.1.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate possum 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 possum 0.1.0
[INFO] finished tweaking crates.io crate possum 0.1.0
[INFO] tweaked toml for crates.io crate possum 0.1.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate crates.io crate possum 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded possum-script v0.1.0
[INFO] [stderr]   Downloaded possum-core v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 829442dbf2b27e9430b2473e81f8a75074e335bf302df6f587da220e22410f16
[INFO] running `Command { std: "docker" "start" "-a" "829442dbf2b27e9430b2473e81f8a75074e335bf302df6f587da220e22410f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "829442dbf2b27e9430b2473e81f8a75074e335bf302df6f587da220e22410f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829442dbf2b27e9430b2473e81f8a75074e335bf302df6f587da220e22410f16", kill_on_drop: false }`
[INFO] [stdout] 829442dbf2b27e9430b2473e81f8a75074e335bf302df6f587da220e22410f16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] ef92d65e157a2422cad87fc172e463205f351d18ad4e070b2f9b138b8af51410
[INFO] running `Command { std: "docker" "start" "-a" "ef92d65e157a2422cad87fc172e463205f351d18ad4e070b2f9b138b8af51410", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling possum-core v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling possum-script v0.1.0
[INFO] [stderr]    Compiling possum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.64s
[INFO] running `Command { std: "docker" "inspect" "ef92d65e157a2422cad87fc172e463205f351d18ad4e070b2f9b138b8af51410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef92d65e157a2422cad87fc172e463205f351d18ad4e070b2f9b138b8af51410", kill_on_drop: false }`
[INFO] [stdout] ef92d65e157a2422cad87fc172e463205f351d18ad4e070b2f9b138b8af51410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] af94ef33ad6d34a158849363bf56b81160d2293029405eb449e9b346aa935c69
[INFO] running `Command { std: "docker" "start" "-a" "af94ef33ad6d34a158849363bf56b81160d2293029405eb449e9b346aa935c69", kill_on_drop: false }`
[INFO] [stderr]    Compiling possum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "af94ef33ad6d34a158849363bf56b81160d2293029405eb449e9b346aa935c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af94ef33ad6d34a158849363bf56b81160d2293029405eb449e9b346aa935c69", kill_on_drop: false }`
[INFO] [stdout] af94ef33ad6d34a158849363bf56b81160d2293029405eb449e9b346aa935c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 4d089d7ad6a48237e4b9558e84771853337b3cee8ed7a3aeda7eea1c5f7c400d
[INFO] running `Command { std: "docker" "start" "-a" "4d089d7ad6a48237e4b9558e84771853337b3cee8ed7a3aeda7eea1c5f7c400d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/possum-4e5797a6124c6747)
[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" "4d089d7ad6a48237e4b9558e84771853337b3cee8ed7a3aeda7eea1c5f7c400d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d089d7ad6a48237e4b9558e84771853337b3cee8ed7a3aeda7eea1c5f7c400d", kill_on_drop: false }`
[INFO] [stdout] 4d089d7ad6a48237e4b9558e84771853337b3cee8ed7a3aeda7eea1c5f7c400d