[INFO] cloning repository https://github.com/altunh/rust-implementations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/altunh/rust-implementations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faltunh%2Frust-implementations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faltunh%2Frust-implementations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65b2c67e49ef35fed2961269e70d100bdf5c21b5
[INFO] checking altunh/rust-implementations against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faltunh%2Frust-implementations" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/altunh/rust-implementations on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/altunh/rust-implementations
[INFO] finished tweaking git repo https://github.com/altunh/rust-implementations
[INFO] tweaked toml for git repo https://github.com/altunh/rust-implementations written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/altunh/rust-implementations 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-7-tc1/source/Cargo.toml: unused manifest key: workspace.name
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe3d905c5c10d1af76c386da1bf96c93a162f2b86ff43459b6b1dc9436535010
[INFO] running `Command { std: "docker" "start" "-a" "fe3d905c5c10d1af76c386da1bf96c93a162f2b86ff43459b6b1dc9436535010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe3d905c5c10d1af76c386da1bf96c93a162f2b86ff43459b6b1dc9436535010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3d905c5c10d1af76c386da1bf96c93a162f2b86ff43459b6b1dc9436535010", kill_on_drop: false }`
[INFO] [stdout] fe3d905c5c10d1af76c386da1bf96c93a162f2b86ff43459b6b1dc9436535010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 660d056349ce604b2c76daf78147d66c66569151fc8e7c90d65fe941410a4445
[INFO] running `Command { std: "docker" "start" "-a" "660d056349ce604b2c76daf78147d66c66569151fc8e7c90d65fe941410a4445", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: workspace.name
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking structures v0.1.0 (/opt/rustwide/workdir/structures)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> structures/src/vector/vec.rs:302:27
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn into_iter(self) -> Self::IntoIter {
[INFO] [stdout]     |        ---------          ^^^^^^^^^^^^^^ expected `Iter<'_, T>`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::slice::Iter<'a, T>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> structures/src/vector/vec.rs:302:27
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn into_iter(self) -> Self::IntoIter {
[INFO] [stdout]     |        ---------          ^^^^^^^^^^^^^^ expected `Iter<'_, T>`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::slice::Iter<'a, T>`
[INFO] [stdout]             found unit type `()`
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `structures` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `structures` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "660d056349ce604b2c76daf78147d66c66569151fc8e7c90d65fe941410a4445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660d056349ce604b2c76daf78147d66c66569151fc8e7c90d65fe941410a4445", kill_on_drop: false }`
[INFO] [stdout] 660d056349ce604b2c76daf78147d66c66569151fc8e7c90d65fe941410a4445
[INFO] checking altunh/rust-implementations against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faltunh%2Frust-implementations" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/altunh/rust-implementations on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/altunh/rust-implementations
[INFO] finished tweaking git repo https://github.com/altunh/rust-implementations
[INFO] tweaked toml for git repo https://github.com/altunh/rust-implementations written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/altunh/rust-implementations 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/Cargo.toml: unused manifest key: workspace.name
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b403b9393c448a3d7b97b0e19fba0d7ac66674d7a099e735d911ee359f3e4937
[INFO] running `Command { std: "docker" "start" "-a" "b403b9393c448a3d7b97b0e19fba0d7ac66674d7a099e735d911ee359f3e4937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b403b9393c448a3d7b97b0e19fba0d7ac66674d7a099e735d911ee359f3e4937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b403b9393c448a3d7b97b0e19fba0d7ac66674d7a099e735d911ee359f3e4937", kill_on_drop: false }`
[INFO] [stdout] b403b9393c448a3d7b97b0e19fba0d7ac66674d7a099e735d911ee359f3e4937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60fc46576906203485e43ab17c01f3e72caad55e87c690f9ac92cde1eb00f0ac
[INFO] running `Command { std: "docker" "start" "-a" "60fc46576906203485e43ab17c01f3e72caad55e87c690f9ac92cde1eb00f0ac", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "60fc46576906203485e43ab17c01f3e72caad55e87c690f9ac92cde1eb00f0ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60fc46576906203485e43ab17c01f3e72caad55e87c690f9ac92cde1eb00f0ac", kill_on_drop: false }`
[INFO] [stdout] 60fc46576906203485e43ab17c01f3e72caad55e87c690f9ac92cde1eb00f0ac