[INFO] crate mtl-info 0.2.0 is already in cache
[INFO] extracting crate mtl-info 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/mtl-info/0.2.0
[INFO] extracting crate mtl-info 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mtl-info/0.2.0
[INFO] validating manifest of mtl-info-0.2.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mtl-info-0.2.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mtl-info-0.2.0
[INFO] finished frobbing mtl-info-0.2.0
[INFO] frobbed toml for mtl-info-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/mtl-info/0.2.0/Cargo.toml
[INFO] started frobbing mtl-info-0.2.0
[INFO] finished frobbing mtl-info-0.2.0
[INFO] frobbed toml for mtl-info-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mtl-info/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mtl-info-0.2.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mtl-info/0.2.0:/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=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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f76dd020b22ed581e348dbb46cb981d95ff7988f615d6e780138a891c2280a26
[INFO] running `"docker" "start" "-a" "f76dd020b22ed581e348dbb46cb981d95ff7988f615d6e780138a891c2280a26"`
[INFO] [stderr]    Compiling simple_logger v1.3.0
[INFO] [stderr]    Compiling mtl-info v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]  --> src/main.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | use log::{debug, warn};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_metal_library_file`
[INFO] [stderr]    --> src/parsing.rs:210:3
[INFO] [stderr]     |
[INFO] [stderr] 210 |   pub fn is_metal_library_file(reader: &mut T) -> bool {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `"docker" "inspect" "f76dd020b22ed581e348dbb46cb981d95ff7988f615d6e780138a891c2280a26"`
[INFO] running `"docker" "rm" "-f" "f76dd020b22ed581e348dbb46cb981d95ff7988f615d6e780138a891c2280a26"`
[INFO] [stdout] f76dd020b22ed581e348dbb46cb981d95ff7988f615d6e780138a891c2280a26
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mtl-info/0.2.0:/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=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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 80212689e98bc1f1146fac12aa5960c2a64f49a8db03ca4c7513854132f1cf40
[INFO] running `"docker" "start" "-a" "80212689e98bc1f1146fac12aa5960c2a64f49a8db03ca4c7513854132f1cf40"`
[INFO] [stderr]    Compiling mtl-info v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]  --> src/main.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | use log::{debug, warn};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_metal_library_file`
[INFO] [stderr]    --> src/parsing.rs:210:3
[INFO] [stderr]     |
[INFO] [stderr] 210 |   pub fn is_metal_library_file(reader: &mut T) -> bool {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "80212689e98bc1f1146fac12aa5960c2a64f49a8db03ca4c7513854132f1cf40"`
[INFO] running `"docker" "rm" "-f" "80212689e98bc1f1146fac12aa5960c2a64f49a8db03ca4c7513854132f1cf40"`
[INFO] [stdout] 80212689e98bc1f1146fac12aa5960c2a64f49a8db03ca4c7513854132f1cf40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mtl-info/0.2.0:/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=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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 93030ea091310bb4403bc68557cf090c51f3c3b45eb6bdbb672fbbf1b7023287
[INFO] running `"docker" "start" "-a" "93030ea091310bb4403bc68557cf090c51f3c3b45eb6bdbb672fbbf1b7023287"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mtl_info-ae9a3f7d07d5e55d
[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" "93030ea091310bb4403bc68557cf090c51f3c3b45eb6bdbb672fbbf1b7023287"`
[INFO] running `"docker" "rm" "-f" "93030ea091310bb4403bc68557cf090c51f3c3b45eb6bdbb672fbbf1b7023287"`
[INFO] [stdout] 93030ea091310bb4403bc68557cf090c51f3c3b45eb6bdbb672fbbf1b7023287