[INFO] fetching crate breadth-first-zip 0.3.0...
[INFO] checking breadth-first-zip-0.3.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate breadth-first-zip 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate breadth-first-zip 0.3.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate breadth-first-zip 0.3.0
[INFO] finished tweaking crates.io crate breadth-first-zip 0.3.0
[INFO] tweaked toml for crates.io crate breadth-first-zip 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded breadth-first-zip-macros v0.3.0
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded reiterator v0.3.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77d620a5758be69e9b75bb2feda83c3de54d21396bfb7816ac582ce80b4833b1
[INFO] running `Command { std: "docker" "start" "-a" "77d620a5758be69e9b75bb2feda83c3de54d21396bfb7816ac582ce80b4833b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77d620a5758be69e9b75bb2feda83c3de54d21396bfb7816ac582ce80b4833b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d620a5758be69e9b75bb2feda83c3de54d21396bfb7816ac582ce80b4833b1", kill_on_drop: false }`
[INFO] [stdout] 77d620a5758be69e9b75bb2feda83c3de54d21396bfb7816ac582ce80b4833b1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c6902d5d89ea2a4c6e898fd6fde7dde2f6212178c1a9682ded02a8b0e7d6256
[INFO] running `Command { std: "docker" "start" "-a" "8c6902d5d89ea2a4c6e898fd6fde7dde2f6212178c1a9682ded02a8b0e7d6256", kill_on_drop: false }`
[INFO] [stderr]    Compiling breadth-first-zip-macros v0.3.0
[INFO] [stderr]    Compiling reiterator v0.3.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling breadth-first-zip v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error[E0599]: no method named `get` found for type `usize` in the current scope
[INFO] [stdout]    --> src/lib.rs:149:61
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 .next(index_sum.checked_sub(self.iter.index.get())?)
[INFO] [stdout]     |                                                             ^^^ method not found in `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 45  + use core::slice::SliceIndex;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for type `usize` in the current scope
[INFO] [stdout]    --> src/lib.rs:153:30
[INFO] [stdout]     |
[INFO] [stdout] 153 |             (self.iter.index.get() < index_sum).then(|| self.iter.next())??; // Comparison is just an optimization, not logically necessary
[INFO] [stdout]     |                              ^^^ method not found in `usize`
[INFO] [stdout]    --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/core/src/slice/index.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `usize` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 45  + use core::slice::SliceIndex;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `breadth-first-zip` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8c6902d5d89ea2a4c6e898fd6fde7dde2f6212178c1a9682ded02a8b0e7d6256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6902d5d89ea2a4c6e898fd6fde7dde2f6212178c1a9682ded02a8b0e7d6256", kill_on_drop: false }`
[INFO] [stdout] 8c6902d5d89ea2a4c6e898fd6fde7dde2f6212178c1a9682ded02a8b0e7d6256
[INFO] checking breadth-first-zip-0.3.0 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate breadth-first-zip 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate breadth-first-zip 0.3.0 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate breadth-first-zip 0.3.0
[INFO] finished tweaking crates.io crate breadth-first-zip 0.3.0
[INFO] tweaked toml for crates.io crate breadth-first-zip 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cc4473dd0470137bf89877b31f9d3464f8906adc3e10de2df80dbaa56d812b8
[INFO] running `Command { std: "docker" "start" "-a" "1cc4473dd0470137bf89877b31f9d3464f8906adc3e10de2df80dbaa56d812b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cc4473dd0470137bf89877b31f9d3464f8906adc3e10de2df80dbaa56d812b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc4473dd0470137bf89877b31f9d3464f8906adc3e10de2df80dbaa56d812b8", kill_on_drop: false }`
[INFO] [stdout] 1cc4473dd0470137bf89877b31f9d3464f8906adc3e10de2df80dbaa56d812b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8ad235d24da592702271cc6e4bb7a563a05b0afc66648021afcd64893a605e0
[INFO] running `Command { std: "docker" "start" "-a" "c8ad235d24da592702271cc6e4bb7a563a05b0afc66648021afcd64893a605e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling breadth-first-zip-macros v0.3.0
[INFO] [stderr]    Compiling reiterator v0.3.0
[INFO] [stderr]    Compiling breadth-first-zip v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error[E0599]: no method named `get` found for type `usize` in the current scope
[INFO] [stdout]    --> src/lib.rs:149:61
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 .next(index_sum.checked_sub(self.iter.index.get())?)
[INFO] [stdout]     |                                                             ^^^ method not found in `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 45  + use core::slice::SliceIndex;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for type `usize` in the current scope
[INFO] [stdout]    --> src/lib.rs:153:30
[INFO] [stdout]     |
[INFO] [stdout] 153 |             (self.iter.index.get() < index_sum).then(|| self.iter.next())??; // Comparison is just an optimization, not logically necessary
[INFO] [stdout]     |                              ^^^ method not found in `usize`
[INFO] [stdout]    --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/core/src/slice/index.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `usize` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 45  + use core::slice::SliceIndex;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `breadth-first-zip` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c8ad235d24da592702271cc6e4bb7a563a05b0afc66648021afcd64893a605e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ad235d24da592702271cc6e4bb7a563a05b0afc66648021afcd64893a605e0", kill_on_drop: false }`
[INFO] [stdout] c8ad235d24da592702271cc6e4bb7a563a05b0afc66648021afcd64893a605e0
