[INFO] crate visit_diff 0.1.0 is already in cache
[INFO] extracting crate visit_diff 0.1.0 into work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/visit_diff/0.1.0
[INFO] extracting crate visit_diff 0.1.0 into work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/visit_diff/0.1.0
[INFO] validating manifest of visit_diff-0.1.0 on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of visit_diff-0.1.0 on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing visit_diff-0.1.0
[INFO] finished frobbing visit_diff-0.1.0
[INFO] frobbed toml for visit_diff-0.1.0 written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/visit_diff/0.1.0/Cargo.toml
[INFO] started frobbing visit_diff-0.1.0
[INFO] finished frobbing visit_diff-0.1.0
[INFO] frobbed toml for visit_diff-0.1.0 written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/visit_diff/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking visit_diff-0.1.0 against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-0/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/visit_diff/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bb4ba6ca18cc17b3f7ca8e188bbf1cfe31effc52d0c62af4b6f665bdabc1fbc5
[INFO] running `"docker" "start" "-a" "bb4ba6ca18cc17b3f7ca8e188bbf1cfe31effc52d0c62af4b6f665bdabc1fbc5"`
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling visit_diff_derive v0.1.0
[INFO] [stderr]     Checking visit_diff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `EitherOrBoth` is imported redundantly
[INFO] [stderr]    --> src/std_impls.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 1   | use super::*;
[INFO] [stderr]     |     -------- the item `EitherOrBoth` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 114 |         use itertools::{EitherOrBoth, Itertools};
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Itertools` is imported redundantly
[INFO] [stderr]    --> src/std_impls.rs:114:39
[INFO] [stderr]     |
[INFO] [stderr] 1   | use super::*;
[INFO] [stderr]     |     -------- the item `Itertools` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 114 |         use itertools::{EitherOrBoth, Itertools};
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `EitherOrBoth` is imported redundantly
[INFO] [stderr]    --> src/std_impls.rs:167:25
[INFO] [stderr]     |
[INFO] [stderr] 1   | use super::*;
[INFO] [stderr]     |     -------- the item `EitherOrBoth` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 167 |         use itertools::{EitherOrBoth, Itertools};
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Itertools` is imported redundantly
[INFO] [stderr]    --> src/std_impls.rs:167:39
[INFO] [stderr]     |
[INFO] [stderr] 1   | use super::*;
[INFO] [stderr]     |     -------- the item `Itertools` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 167 |         use itertools::{EitherOrBoth, Itertools};
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `EitherOrBoth` is imported redundantly
[INFO] [stderr]    --> src/std_impls.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 1   | use super::*;
[INFO] [stderr]     |     -------- the item `EitherOrBoth` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 114 |         use itertools::{EitherOrBoth, Itertools};
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Itertools` is imported redundantly
[INFO] [stderr]    --> src/std_impls.rs:114:39
[INFO] [stderr]     |
[INFO] [stderr] 1   | use super::*;
[INFO] [stderr]     |     -------- the item `Itertools` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 114 |         use itertools::{EitherOrBoth, Itertools};
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `EitherOrBoth` is imported redundantly
[INFO] [stderr]    --> src/std_impls.rs:167:25
[INFO] [stderr]     |
[INFO] [stderr] 1   | use super::*;
[INFO] [stderr]     |     -------- the item `EitherOrBoth` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 167 |         use itertools::{EitherOrBoth, Itertools};
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Itertools` is imported redundantly
[INFO] [stderr]    --> src/std_impls.rs:167:39
[INFO] [stderr]     |
[INFO] [stderr] 1   | use super::*;
[INFO] [stderr]     |     -------- the item `Itertools` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 167 |         use itertools::{EitherOrBoth, Itertools};
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `First`
[INFO] [stderr]    --> src/impls.rs:381:9
[INFO] [stderr]     |
[INFO] [stderr] 381 |         First,
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Second`
[INFO] [stderr]    --> src/impls.rs:382:9
[INFO] [stderr]     |
[INFO] [stderr] 382 |         Second,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Struct`
[INFO] [stderr]    --> src/impls.rs:383:9
[INFO] [stderr]     |
[INFO] [stderr] 383 |         Struct { a: usize, b: bool },
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.85s
[INFO] running `"docker" "inspect" "bb4ba6ca18cc17b3f7ca8e188bbf1cfe31effc52d0c62af4b6f665bdabc1fbc5"`
[INFO] running `"docker" "rm" "-f" "bb4ba6ca18cc17b3f7ca8e188bbf1cfe31effc52d0c62af4b6f665bdabc1fbc5"`
[INFO] [stdout] bb4ba6ca18cc17b3f7ca8e188bbf1cfe31effc52d0c62af4b6f665bdabc1fbc5