[INFO] fetching crate zip-longest 0.1.7...
[INFO] checking zip-longest-0.1.7 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate zip-longest 0.1.7 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate zip-longest 0.1.7 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 crates.io crate zip-longest 0.1.7
[INFO] finished tweaking crates.io crate zip-longest 0.1.7
[INFO] tweaked toml for crates.io crate zip-longest 0.1.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 574b50ed1b6b0afccc1ab58099649e3bd80c76dd17de9ae1cb4de06bac0da8c5
[INFO] running `Command { std: "docker" "start" "-a" "574b50ed1b6b0afccc1ab58099649e3bd80c76dd17de9ae1cb4de06bac0da8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "574b50ed1b6b0afccc1ab58099649e3bd80c76dd17de9ae1cb4de06bac0da8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "574b50ed1b6b0afccc1ab58099649e3bd80c76dd17de9ae1cb4de06bac0da8c5", kill_on_drop: false }`
[INFO] [stdout] 574b50ed1b6b0afccc1ab58099649e3bd80c76dd17de9ae1cb4de06bac0da8c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f787bc451c966ebfef867cc86dbab6577257b2fa06a0bb08d5b5350a30d8213
[INFO] running `Command { std: "docker" "start" "-a" "0f787bc451c966ebfef867cc86dbab6577257b2fa06a0bb08d5b5350a30d8213", kill_on_drop: false }`
[INFO] [stderr]     Checking zip-longest v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::iter::RandomAccessIterator`
[INFO] [stdout]  --> lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::RandomAccessIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `RandomAccessIterator` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::iter::RandomAccessIterator`
[INFO] [stdout]  --> lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::RandomAccessIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `RandomAccessIterator` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `step_by`
[INFO] [stdout]  --> lib.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core, step_by)]
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `step_by`
[INFO] [stdout]  --> lib.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core, step_by)]
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zip-longest` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `zip-longest` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "0f787bc451c966ebfef867cc86dbab6577257b2fa06a0bb08d5b5350a30d8213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f787bc451c966ebfef867cc86dbab6577257b2fa06a0bb08d5b5350a30d8213", kill_on_drop: false }`
[INFO] [stdout] 0f787bc451c966ebfef867cc86dbab6577257b2fa06a0bb08d5b5350a30d8213
[INFO] checking zip-longest-0.1.7 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate zip-longest 0.1.7 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate zip-longest 0.1.7 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 crates.io crate zip-longest 0.1.7
[INFO] finished tweaking crates.io crate zip-longest 0.1.7
[INFO] tweaked toml for crates.io crate zip-longest 0.1.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fda7b7c9cbd34d6767e336ab3f0f31a5bd5bd77e4f837e10f6bdf7254014dcbe
[INFO] running `Command { std: "docker" "start" "-a" "fda7b7c9cbd34d6767e336ab3f0f31a5bd5bd77e4f837e10f6bdf7254014dcbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fda7b7c9cbd34d6767e336ab3f0f31a5bd5bd77e4f837e10f6bdf7254014dcbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda7b7c9cbd34d6767e336ab3f0f31a5bd5bd77e4f837e10f6bdf7254014dcbe", kill_on_drop: false }`
[INFO] [stdout] fda7b7c9cbd34d6767e336ab3f0f31a5bd5bd77e4f837e10f6bdf7254014dcbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7780e669f8b521ed25dda98e5e6b75933fb0ef5e5c8d2b509e755d7526b07174
[INFO] running `Command { std: "docker" "start" "-a" "7780e669f8b521ed25dda98e5e6b75933fb0ef5e5c8d2b509e755d7526b07174", 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" "7780e669f8b521ed25dda98e5e6b75933fb0ef5e5c8d2b509e755d7526b07174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7780e669f8b521ed25dda98e5e6b75933fb0ef5e5c8d2b509e755d7526b07174", kill_on_drop: false }`
[INFO] [stdout] 7780e669f8b521ed25dda98e5e6b75933fb0ef5e5c8d2b509e755d7526b07174