[INFO] fetching crate streaminterpolator 0.1.1...
[INFO] testing streaminterpolator-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate streaminterpolator 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate streaminterpolator 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate streaminterpolator 0.1.1
[INFO] finished tweaking crates.io crate streaminterpolator 0.1.1
[INFO] tweaked toml for crates.io crate streaminterpolator 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate streaminterpolator 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.100
[INFO] [stderr]   Downloaded serde v1.0.128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ac3271c1dfcf7e33573478ac78d396b906f9688f67278a364d173bf5d519559
[INFO] running `Command { std: "docker" "start" "-a" "5ac3271c1dfcf7e33573478ac78d396b906f9688f67278a364d173bf5d519559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ac3271c1dfcf7e33573478ac78d396b906f9688f67278a364d173bf5d519559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac3271c1dfcf7e33573478ac78d396b906f9688f67278a364d173bf5d519559", kill_on_drop: false }`
[INFO] [stdout] 5ac3271c1dfcf7e33573478ac78d396b906f9688f67278a364d173bf5d519559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45eeff862dfa28d512d62ab8b90a183fa804af76754eb26a097b6b98f7a04d72
[INFO] running `Command { std: "docker" "start" "-a" "45eeff862dfa28d512d62ab8b90a183fa804af76754eb26a097b6b98f7a04d72", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling streaminterpolator v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/main.rs:94:24
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Mode::JsonFile(p) => todo!(),
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 12.13s
[INFO] running `Command { std: "docker" "inspect" "45eeff862dfa28d512d62ab8b90a183fa804af76754eb26a097b6b98f7a04d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45eeff862dfa28d512d62ab8b90a183fa804af76754eb26a097b6b98f7a04d72", kill_on_drop: false }`
[INFO] [stdout] 45eeff862dfa28d512d62ab8b90a183fa804af76754eb26a097b6b98f7a04d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61ec04bba02b88d3248560970a0c4cffc1336018dc8ed6100530dc602acab877
[INFO] running `Command { std: "docker" "start" "-a" "61ec04bba02b88d3248560970a0c4cffc1336018dc8ed6100530dc602acab877", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "61ec04bba02b88d3248560970a0c4cffc1336018dc8ed6100530dc602acab877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ec04bba02b88d3248560970a0c4cffc1336018dc8ed6100530dc602acab877", kill_on_drop: false }`
[INFO] [stdout] 61ec04bba02b88d3248560970a0c4cffc1336018dc8ed6100530dc602acab877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 174cae25070ac145284cd108268d0347e08d116ed0a4461a82e0fdfc4d3d0a7c
[INFO] running `Command { std: "docker" "start" "-a" "174cae25070ac145284cd108268d0347e08d116ed0a4461a82e0fdfc4d3d0a7c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "174cae25070ac145284cd108268d0347e08d116ed0a4461a82e0fdfc4d3d0a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174cae25070ac145284cd108268d0347e08d116ed0a4461a82e0fdfc4d3d0a7c", kill_on_drop: false }`
[INFO] [stdout] 174cae25070ac145284cd108268d0347e08d116ed0a4461a82e0fdfc4d3d0a7c