[INFO] fetching crate toml 0.5.1...
[INFO] extracting crate toml 0.5.1 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/toml/0.5.1
[INFO] extracting crate toml 0.5.1 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/toml/0.5.1
[INFO] validating manifest of toml-0.5.1 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of toml-0.5.1 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing toml-0.5.1
[INFO] finished frobbing toml-0.5.1
[INFO] frobbed toml for toml-0.5.1 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/toml/0.5.1/Cargo.toml
[INFO] started frobbing toml-0.5.1
[INFO] finished frobbing toml-0.5.1
[INFO] frobbed toml for toml-0.5.1 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/toml/0.5.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking toml-0.5.1 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/toml/0.5.1:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f9d9269c58603d4765c8888ed3d8b2a31fc301aea5fc7ffa283203d0e2cdeb44
[INFO] running `"docker" "start" "-a" "f9d9269c58603d4765c8888ed3d8b2a31fc301aea5fc7ffa283203d0e2cdeb44"`
[INFO] [stderr]     Checking toml v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/ser.rs:225:27
[INFO] [stderr]     |
[INFO] [stderr] 225 | pub struct SerializeSeq<'a: 'b, 'b> {
[INFO] [stderr]     |                           ^^^^ help: remove this bound
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 | #![warn(rust_2018_idioms)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: #[warn(explicit_outlives_requirements)] implied by #[warn(rust_2018_idioms)]
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/ser.rs:233:27
[INFO] [stderr]     |
[INFO] [stderr] 233 | pub enum SerializeTable<'a: 'b, 'b> {
[INFO] [stderr]     |                           ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]     --> src/ser.rs:1189:25
[INFO] [stderr]      |
[INFO] [stderr] 1189 | struct DateStrEmitter<'a: 'b, 'b>(&'b mut Serializer<'a>);
[INFO] [stderr]      |                         ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/de.rs:281:26
[INFO] [stderr]     |
[INFO] [stderr] 281 | pub struct MapVisitor<'de: 'b, 'b> {
[INFO] [stderr]     |                          ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/ser.rs:225:27
[INFO] [stderr]     |
[INFO] [stderr] 225 | pub struct SerializeSeq<'a: 'b, 'b> {
[INFO] [stderr]     |                           ^^^^ help: remove this bound
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 | #![warn(rust_2018_idioms)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: #[warn(explicit_outlives_requirements)] implied by #[warn(rust_2018_idioms)]
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/ser.rs:233:27
[INFO] [stderr]     |
[INFO] [stderr] 233 | pub enum SerializeTable<'a: 'b, 'b> {
[INFO] [stderr]     |                           ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]     --> src/ser.rs:1189:25
[INFO] [stderr]      |
[INFO] [stderr] 1189 | struct DateStrEmitter<'a: 'b, 'b>(&'b mut Serializer<'a>);
[INFO] [stderr]      |                         ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/de.rs:281:26
[INFO] [stderr]     |
[INFO] [stderr] 281 | pub struct MapVisitor<'de: 'b, 'b> {
[INFO] [stderr]     |                          ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `"docker" "inspect" "f9d9269c58603d4765c8888ed3d8b2a31fc301aea5fc7ffa283203d0e2cdeb44"`
[INFO] running `"docker" "rm" "-f" "f9d9269c58603d4765c8888ed3d8b2a31fc301aea5fc7ffa283203d0e2cdeb44"`
[INFO] [stdout] f9d9269c58603d4765c8888ed3d8b2a31fc301aea5fc7ffa283203d0e2cdeb44