[INFO] fetching crate jpret 0.1.1...
[INFO] testing jpret-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate jpret 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate jpret 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-0/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-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 651b2856855949d56a56de8e6dbe92cfd060c98a60e0246b3c00e0f6e1ee911a
[INFO] running `Command { std: "docker" "start" "-a" "651b2856855949d56a56de8e6dbe92cfd060c98a60e0246b3c00e0f6e1ee911a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "651b2856855949d56a56de8e6dbe92cfd060c98a60e0246b3c00e0f6e1ee911a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651b2856855949d56a56de8e6dbe92cfd060c98a60e0246b3c00e0f6e1ee911a", kill_on_drop: false }`
[INFO] [stdout] 651b2856855949d56a56de8e6dbe92cfd060c98a60e0246b3c00e0f6e1ee911a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0400f6a9b0d89c561aefdd8540a5b15780d723ebccb90c2a73f9689dd86f1856
[INFO] running `Command { std: "docker" "start" "-a" "0400f6a9b0d89c561aefdd8540a5b15780d723ebccb90c2a73f9689dd86f1856", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling hashbrown v0.9.0
[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 7.56s
[INFO] running `Command { std: "docker" "inspect" "0400f6a9b0d89c561aefdd8540a5b15780d723ebccb90c2a73f9689dd86f1856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0400f6a9b0d89c561aefdd8540a5b15780d723ebccb90c2a73f9689dd86f1856", kill_on_drop: false }`
[INFO] [stdout] 0400f6a9b0d89c561aefdd8540a5b15780d723ebccb90c2a73f9689dd86f1856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a457edb83e11df98bfa8b75811506fa98e9d8b484ded59d5611b218128b7740
[INFO] running `Command { std: "docker" "start" "-a" "5a457edb83e11df98bfa8b75811506fa98e9d8b484ded59d5611b218128b7740", kill_on_drop: false }`
[INFO] [stderr]    Compiling jpret v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/jpret-426b7ad90900a095)
[INFO] running `Command { std: "docker" "inspect" "5a457edb83e11df98bfa8b75811506fa98e9d8b484ded59d5611b218128b7740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a457edb83e11df98bfa8b75811506fa98e9d8b484ded59d5611b218128b7740", kill_on_drop: false }`
[INFO] [stdout] 5a457edb83e11df98bfa8b75811506fa98e9d8b484ded59d5611b218128b7740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1aec754115739ff7339d824cf3255309e0b8412c74b99ce987f6e6910616a40e
[INFO] running `Command { std: "docker" "start" "-a" "1aec754115739ff7339d824cf3255309e0b8412c74b99ce987f6e6910616a40e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/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" "1aec754115739ff7339d824cf3255309e0b8412c74b99ce987f6e6910616a40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aec754115739ff7339d824cf3255309e0b8412c74b99ce987f6e6910616a40e", kill_on_drop: false }`
[INFO] [stdout] 1aec754115739ff7339d824cf3255309e0b8412c74b99ce987f6e6910616a40e