[INFO] crate base122 0.1.0 is already in cache
[INFO] extracting crate base122 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/base122/0.1.0
[INFO] extracting crate base122 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/base122/0.1.0
[INFO] validating manifest of base122-0.1.0 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 base122-0.1.0 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 base122-0.1.0
[INFO] finished frobbing base122-0.1.0
[INFO] frobbed toml for base122-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/base122/0.1.0/Cargo.toml
[INFO] started frobbing base122-0.1.0
[INFO] finished frobbing base122-0.1.0
[INFO] frobbed toml for base122-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/base122/0.1.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing base122-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/base122/0.1.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] cc5e83f72e57e2b4bbe818910e02700b43ac3fd4c45314a8a2944e161d2e73a4
[INFO] running `"docker" "start" "-a" "cc5e83f72e57e2b4bbe818910e02700b43ac3fd4c45314a8a2944e161d2e73a4"`
[INFO] [stderr]    Compiling base122 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `DEFAULT_MIME`
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const DEFAULT_MIME: &'static str = "image/jpg";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `base122::Encoder`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use base122::Encoder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "cc5e83f72e57e2b4bbe818910e02700b43ac3fd4c45314a8a2944e161d2e73a4"`
[INFO] running `"docker" "rm" "-f" "cc5e83f72e57e2b4bbe818910e02700b43ac3fd4c45314a8a2944e161d2e73a4"`
[INFO] [stdout] cc5e83f72e57e2b4bbe818910e02700b43ac3fd4c45314a8a2944e161d2e73a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/base122/0.1.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7e35c6d9ef0c4e533480b0c99c23823c3c6b39bcee26e18e779b24341f482319
[INFO] running `"docker" "start" "-a" "7e35c6d9ef0c4e533480b0c99c23823c3c6b39bcee26e18e779b24341f482319"`
[INFO] [stderr]    Compiling base122 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `DEFAULT_MIME`
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const DEFAULT_MIME: &'static str = "image/jpg";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `base122::Encoder`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use base122::Encoder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "7e35c6d9ef0c4e533480b0c99c23823c3c6b39bcee26e18e779b24341f482319"`
[INFO] running `"docker" "rm" "-f" "7e35c6d9ef0c4e533480b0c99c23823c3c6b39bcee26e18e779b24341f482319"`
[INFO] [stdout] 7e35c6d9ef0c4e533480b0c99c23823c3c6b39bcee26e18e779b24341f482319
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/base122/0.1.0:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 84b945acaf373474430168a0fca98309629472d1c4c00b3fc341215c9435b54f
[INFO] running `"docker" "start" "-a" "84b945acaf373474430168a0fca98309629472d1c4c00b3fc341215c9435b54f"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/base122-dc7eb2f6aee11be6
[INFO] [stdout] test test::test_second_7 ... ok
[INFO] [stdout] test test::test_middle_7 ... ok
[INFO] [stdout] test test::test_first_7 ... ok
[INFO] [stdout] test test::test_4_byte_encode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/base122-fad7be7fe7fc8341
[INFO] [stderr]    Doc-tests base122
[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" "84b945acaf373474430168a0fca98309629472d1c4c00b3fc341215c9435b54f"`
[INFO] running `"docker" "rm" "-f" "84b945acaf373474430168a0fca98309629472d1c4c00b3fc341215c9435b54f"`
[INFO] [stdout] 84b945acaf373474430168a0fca98309629472d1c4c00b3fc341215c9435b54f