[INFO] cloning repository https://github.com/Eetion/iter_type
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eetion/iter_type" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEetion%2Fiter_type", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEetion%2Fiter_type'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f080f42a1519fb34f05d37a29b0d1327c6522659
[INFO] checking Eetion/iter_type/f080f42a1519fb34f05d37a29b0d1327c6522659 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEetion%2Fiter_type" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eetion/iter_type on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Eetion/iter_type
[INFO] finished tweaking git repo https://github.com/Eetion/iter_type
[INFO] tweaked toml for git repo https://github.com/Eetion/iter_type written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Eetion/iter_type 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6d4938e8cd05a8f91db2d6cf907da8f2ad764e8dafaaacf9047454d7bac2fb1
[INFO] running `Command { std: "docker" "start" "-a" "e6d4938e8cd05a8f91db2d6cf907da8f2ad764e8dafaaacf9047454d7bac2fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6d4938e8cd05a8f91db2d6cf907da8f2ad764e8dafaaacf9047454d7bac2fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d4938e8cd05a8f91db2d6cf907da8f2ad764e8dafaaacf9047454d7bac2fb1", kill_on_drop: false }`
[INFO] [stdout] e6d4938e8cd05a8f91db2d6cf907da8f2ad764e8dafaaacf9047454d7bac2fb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e4ff601001fa7e6b62c0ab3c0e58b39a09b6deb3df21fa34ee6b57a7e7fb796
[INFO] running `Command { std: "docker" "start" "-a" "5e4ff601001fa7e6b62c0ab3c0e58b39a09b6deb3df21fa34ee6b57a7e7fb796", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking kmerge_iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:11:53
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut it = kmerge_by(vec![a, b].into_iter(), |a, b| a.abs() < b.abs());
[INFO] [stdout]    |                                                     ^     - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut it = kmerge_by(vec![a, b].into_iter(), |a: /* Type */, b| a.abs() < b.abs());
[INFO] [stdout]    |                                                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:11:53
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut it = kmerge_by(vec![a, b].into_iter(), |a, b| a.abs() < b.abs());
[INFO] [stdout]    |                                                     ^     - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut it = kmerge_by(vec![a, b].into_iter(), |a: /* Type */, b| a.abs() < b.abs());
[INFO] [stdout]    |                                                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kmerge_iterators` (bin "kmerge_iterators") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `kmerge_iterators` (bin "kmerge_iterators" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5e4ff601001fa7e6b62c0ab3c0e58b39a09b6deb3df21fa34ee6b57a7e7fb796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4ff601001fa7e6b62c0ab3c0e58b39a09b6deb3df21fa34ee6b57a7e7fb796", kill_on_drop: false }`
[INFO] [stdout] 5e4ff601001fa7e6b62c0ab3c0e58b39a09b6deb3df21fa34ee6b57a7e7fb796