[INFO] crate strict-yaml-rust 0.1.1 is already in cache
[INFO] extracting crate strict-yaml-rust 0.1.1 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/strict-yaml-rust/0.1.1
[INFO] extracting crate strict-yaml-rust 0.1.1 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/strict-yaml-rust/0.1.1
[INFO] validating manifest of strict-yaml-rust-0.1.1 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of strict-yaml-rust-0.1.1 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing strict-yaml-rust-0.1.1
[INFO] finished frobbing strict-yaml-rust-0.1.1
[INFO] frobbed toml for strict-yaml-rust-0.1.1 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/strict-yaml-rust/0.1.1/Cargo.toml
[INFO] started frobbing strict-yaml-rust-0.1.1
[INFO] finished frobbing strict-yaml-rust-0.1.1
[INFO] frobbed toml for strict-yaml-rust-0.1.1 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/strict-yaml-rust/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking strict-yaml-rust-0.1.1 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-7/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/strict-yaml-rust/0.1.1:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0303a23c7de5994998235ea4868f510b93e474c4b6128d6ea572705efac31b9a
[INFO] running `"docker" "start" "-a" "0303a23c7de5994998235ea4868f510b93e474c4b6128d6ea572705efac31b9a"`
[INFO] [stderr]     Checking strict-yaml-rust v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.7.2
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> examples/dump_yaml.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs::{File, read_to_string};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> examples/dump_yaml.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `"docker" "inspect" "0303a23c7de5994998235ea4868f510b93e474c4b6128d6ea572705efac31b9a"`
[INFO] running `"docker" "rm" "-f" "0303a23c7de5994998235ea4868f510b93e474c4b6128d6ea572705efac31b9a"`
[INFO] [stdout] 0303a23c7de5994998235ea4868f510b93e474c4b6128d6ea572705efac31b9a