[INFO] fetching crate rarathon 0.0.1...
[INFO] testing rarathon-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rarathon 0.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rarathon 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rarathon 0.0.1
[INFO] finished tweaking crates.io crate rarathon 0.0.1
[INFO] tweaked toml for crates.io crate rarathon 0.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46331b205ace39e2ef6396a72473126ae6d6b5871ec18160a5eb95a9794d91e1
[INFO] running `Command { std: "docker" "start" "-a" "46331b205ace39e2ef6396a72473126ae6d6b5871ec18160a5eb95a9794d91e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46331b205ace39e2ef6396a72473126ae6d6b5871ec18160a5eb95a9794d91e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46331b205ace39e2ef6396a72473126ae6d6b5871ec18160a5eb95a9794d91e1", kill_on_drop: false }`
[INFO] [stdout] 46331b205ace39e2ef6396a72473126ae6d6b5871ec18160a5eb95a9794d91e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 569d10e6496a02bec6da487a041bc670ba0638f6261bd0f7ddf79401fd3cbf18
[INFO] running `Command { std: "docker" "start" "-a" "569d10e6496a02bec6da487a041bc670ba0638f6261bd0f7ddf79401fd3cbf18", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling hyper v0.14.11
[INFO] [stderr]    Compiling rarathon v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found `"rustc-serialize"`
[INFO] [stdout]  --> src/lib.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate "rustc-serialize" as rustc_serialize;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rarathon`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "569d10e6496a02bec6da487a041bc670ba0638f6261bd0f7ddf79401fd3cbf18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "569d10e6496a02bec6da487a041bc670ba0638f6261bd0f7ddf79401fd3cbf18", kill_on_drop: false }`
[INFO] [stdout] 569d10e6496a02bec6da487a041bc670ba0638f6261bd0f7ddf79401fd3cbf18
