[INFO] crate setenv 0.1.2 is already in cache
[INFO] extracting crate setenv 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/setenv/0.1.2
[INFO] extracting crate setenv 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/setenv/0.1.2
[INFO] validating manifest of setenv-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of setenv-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing setenv-0.1.2
[INFO] finished frobbing setenv-0.1.2
[INFO] frobbed toml for setenv-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/setenv/0.1.2/Cargo.toml
[INFO] started frobbing setenv-0.1.2
[INFO] finished frobbing setenv-0.1.2
[INFO] frobbed toml for setenv-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/setenv/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing setenv-0.1.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/setenv/0.1.2:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 79de7aae5e773b2a32e39ad6391117b7602ac058d525e230990d93c369982e9f
[INFO] running `"docker" "start" "-a" "79de7aae5e773b2a32e39ad6391117b7602ac058d525e230990d93c369982e9f"`
[INFO] [stderr]    Compiling setenv v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "79de7aae5e773b2a32e39ad6391117b7602ac058d525e230990d93c369982e9f"`
[INFO] running `"docker" "rm" "-f" "79de7aae5e773b2a32e39ad6391117b7602ac058d525e230990d93c369982e9f"`
[INFO] [stdout] 79de7aae5e773b2a32e39ad6391117b7602ac058d525e230990d93c369982e9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/setenv/0.1.2:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0d0c721f96eebc537e8d00c765024a82f64b5db0cf7650d1d69e83980a4394c4
[INFO] running `"docker" "start" "-a" "0d0c721f96eebc537e8d00c765024a82f64b5db0cf7650d1d69e83980a4394c4"`
[INFO] [stderr]    Compiling setenv v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> examples/test_cd.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::{Write};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "0d0c721f96eebc537e8d00c765024a82f64b5db0cf7650d1d69e83980a4394c4"`
[INFO] running `"docker" "rm" "-f" "0d0c721f96eebc537e8d00c765024a82f64b5db0cf7650d1d69e83980a4394c4"`
[INFO] [stdout] 0d0c721f96eebc537e8d00c765024a82f64b5db0cf7650d1d69e83980a4394c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/setenv/0.1.2:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 108e8da521bd4ef9eab7c3616d67f1b6653ee8a1b819a54de3d0e23f775203a5
[INFO] running `"docker" "start" "-a" "108e8da521bd4ef9eab7c3616d67f1b6653ee8a1b819a54de3d0e23f775203a5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/setenv-ebeb4ef7a00ed21a
[INFO] [stderr]    Doc-tests setenv
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "108e8da521bd4ef9eab7c3616d67f1b6653ee8a1b819a54de3d0e23f775203a5"`
[INFO] running `"docker" "rm" "-f" "108e8da521bd4ef9eab7c3616d67f1b6653ee8a1b819a54de3d0e23f775203a5"`
[INFO] [stdout] 108e8da521bd4ef9eab7c3616d67f1b6653ee8a1b819a54de3d0e23f775203a5