[INFO] fetching crate mtl-info 0.2.0...
[INFO] extracting crate mtl-info 0.2.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/mtl-info/0.2.0
[INFO] extracting crate mtl-info 0.2.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/mtl-info/0.2.0
[INFO] validating manifest of mtl-info-0.2.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mtl-info-0.2.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/mtl-info/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mtl-info-0.2.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 6ffc4344cd2a52fbe978830412036c871b8aa6138a0094b790d79ac2c37d8037
[INFO] running `"docker" "start" "-a" "6ffc4344cd2a52fbe978830412036c871b8aa6138a0094b790d79ac2c37d8037"`
[INFO] [stderr]    Compiling simple_logger v1.2.0
[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 1.93s
[INFO] running `"docker" "inspect" "6ffc4344cd2a52fbe978830412036c871b8aa6138a0094b790d79ac2c37d8037"`
[INFO] running `"docker" "rm" "-f" "6ffc4344cd2a52fbe978830412036c871b8aa6138a0094b790d79ac2c37d8037"`
[INFO] [stdout] 6ffc4344cd2a52fbe978830412036c871b8aa6138a0094b790d79ac2c37d8037
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] a4e09d982d939d3a69ac9f4ac0a65b4825f1233300f38a3c9da683ac86dd6896
[INFO] running `"docker" "start" "-a" "a4e09d982d939d3a69ac9f4ac0a65b4825f1233300f38a3c9da683ac86dd6896"`
[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 0.69s
[INFO] running `"docker" "inspect" "a4e09d982d939d3a69ac9f4ac0a65b4825f1233300f38a3c9da683ac86dd6896"`
[INFO] running `"docker" "rm" "-f" "a4e09d982d939d3a69ac9f4ac0a65b4825f1233300f38a3c9da683ac86dd6896"`
[INFO] [stdout] a4e09d982d939d3a69ac9f4ac0a65b4825f1233300f38a3c9da683ac86dd6896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] bde09768cf835afcda3416cff2d2cd67143013e537d308931b3ad786ddaec337
[INFO] running `"docker" "start" "-a" "bde09768cf835afcda3416cff2d2cd67143013e537d308931b3ad786ddaec337"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mtl_info-6c6538b1eb9412a4
[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" "bde09768cf835afcda3416cff2d2cd67143013e537d308931b3ad786ddaec337"`
[INFO] running `"docker" "rm" "-f" "bde09768cf835afcda3416cff2d2cd67143013e537d308931b3ad786ddaec337"`
[INFO] [stdout] bde09768cf835afcda3416cff2d2cd67143013e537d308931b3ad786ddaec337