[INFO] fetching crate jpret 0.1.1...
[INFO] testing jpret-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate jpret 0.1.1 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate jpret 0.1.1 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 jpret 0.1.1
[INFO] finished tweaking crates.io crate jpret 0.1.1
[INFO] tweaked toml for crates.io crate jpret 0.1.1 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate crates.io crate jpret 0.1.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json-color v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 46041ad18be6ce455168e453f16367b77cf6b1859db44ed6843a7da5b3a5cd06
[INFO] running `Command { std: "docker" "start" "-a" "46041ad18be6ce455168e453f16367b77cf6b1859db44ed6843a7da5b3a5cd06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46041ad18be6ce455168e453f16367b77cf6b1859db44ed6843a7da5b3a5cd06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46041ad18be6ce455168e453f16367b77cf6b1859db44ed6843a7da5b3a5cd06", kill_on_drop: false }`
[INFO] [stdout] 46041ad18be6ce455168e453f16367b77cf6b1859db44ed6843a7da5b3a5cd06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] b07aeea74e29d5cc3cf2449fd064b26b58194f626698cb3f49b7c394a7ad1dc6
[INFO] running `Command { std: "docker" "start" "-a" "b07aeea74e29d5cc3cf2449fd064b26b58194f626698cb3f49b7c394a7ad1dc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling linkify v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling json-color v0.7.1
[INFO] [stderr]    Compiling jpret v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `Command { std: "docker" "inspect" "b07aeea74e29d5cc3cf2449fd064b26b58194f626698cb3f49b7c394a7ad1dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07aeea74e29d5cc3cf2449fd064b26b58194f626698cb3f49b7c394a7ad1dc6", kill_on_drop: false }`
[INFO] [stdout] b07aeea74e29d5cc3cf2449fd064b26b58194f626698cb3f49b7c394a7ad1dc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] ce47fa7e2006b352ede1aba457d0d3500acd8a15e25a23a42da22fa1d5ba6458
[INFO] running `Command { std: "docker" "start" "-a" "ce47fa7e2006b352ede1aba457d0d3500acd8a15e25a23a42da22fa1d5ba6458", kill_on_drop: false }`
[INFO] [stderr]    Compiling jpret v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "ce47fa7e2006b352ede1aba457d0d3500acd8a15e25a23a42da22fa1d5ba6458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce47fa7e2006b352ede1aba457d0d3500acd8a15e25a23a42da22fa1d5ba6458", kill_on_drop: false }`
[INFO] [stdout] ce47fa7e2006b352ede1aba457d0d3500acd8a15e25a23a42da22fa1d5ba6458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] f89197c88f64807bec4f9ce60dd3610d5fa13910266d4e7331914ea896d9d758
[INFO] running `Command { std: "docker" "start" "-a" "f89197c88f64807bec4f9ce60dd3610d5fa13910266d4e7331914ea896d9d758", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jpret-426b7ad90900a095)
[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" "f89197c88f64807bec4f9ce60dd3610d5fa13910266d4e7331914ea896d9d758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89197c88f64807bec4f9ce60dd3610d5fa13910266d4e7331914ea896d9d758", kill_on_drop: false }`
[INFO] [stdout] f89197c88f64807bec4f9ce60dd3610d5fa13910266d4e7331914ea896d9d758