[INFO] cloning repository https://github.com/Froloket64/lifers-ascii
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Froloket64/lifers-ascii" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFroloket64%2Flifers-ascii", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFroloket64%2Flifers-ascii'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afd9d87b2a0850ca4881039f49e519e4d696fdad
[INFO] building Froloket64/lifers-ascii against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFroloket64%2Flifers-ascii" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Froloket64/lifers-ascii on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Froloket64/lifers-ascii
[INFO] finished tweaking git repo https://github.com/Froloket64/lifers-ascii
[INFO] tweaked toml for git repo https://github.com/Froloket64/lifers-ascii written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Froloket64/lifers-ascii already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0040e0d5fafba0ad2527492c37b7118dcc8458c7adba69322b0ef2588a913423
[INFO] running `Command { std: "docker" "start" "-a" "0040e0d5fafba0ad2527492c37b7118dcc8458c7adba69322b0ef2588a913423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0040e0d5fafba0ad2527492c37b7118dcc8458c7adba69322b0ef2588a913423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0040e0d5fafba0ad2527492c37b7118dcc8458c7adba69322b0ef2588a913423", kill_on_drop: false }`
[INFO] [stdout] 0040e0d5fafba0ad2527492c37b7118dcc8458c7adba69322b0ef2588a913423
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82a006dd0caed5a2aec945d7bd95d27e909fe726875ea0f100cf5a6764c06d09
[INFO] running `Command { std: "docker" "start" "-a" "82a006dd0caed5a2aec945d7bd95d27e909fe726875ea0f100cf5a6764c06d09", kill_on_drop: false }`
[INFO] [stderr]    Compiling lifers v0.2.0
[INFO] [stderr]    Compiling lifers-ascii v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 .collect::<Box<_>>()
[INFO] [stdout]    |                  ^^^^^^^ cannot infer type of the type parameter `B` declared on the method `collect`
[INFO] [stdout] 34 |                 .join("\n"),
[INFO] [stdout]    |                  ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 .collect::<Vec<_>>()
[INFO] [stdout]    |                         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lifers-ascii` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "82a006dd0caed5a2aec945d7bd95d27e909fe726875ea0f100cf5a6764c06d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a006dd0caed5a2aec945d7bd95d27e909fe726875ea0f100cf5a6764c06d09", kill_on_drop: false }`
[INFO] [stdout] 82a006dd0caed5a2aec945d7bd95d27e909fe726875ea0f100cf5a6764c06d09
