[INFO] crate gcmap 0.1.4 is already in cache
[INFO] extracting crate gcmap 0.1.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/gcmap/0.1.4
[INFO] extracting crate gcmap 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gcmap/0.1.4
[INFO] validating manifest of gcmap-0.1.4 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 gcmap-0.1.4 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 gcmap-0.1.4
[INFO] finished frobbing gcmap-0.1.4
[INFO] frobbed toml for gcmap-0.1.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/gcmap/0.1.4/Cargo.toml
[INFO] started frobbing gcmap-0.1.4
[INFO] finished frobbing gcmap-0.1.4
[INFO] frobbed toml for gcmap-0.1.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gcmap/0.1.4/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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing gcmap-0.1.4 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-2/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/gcmap/0.1.4:/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] bfcb5d2c77a276990d0fd3348016e1e85b8f7edae5846d5691ab380723a7f4cf
[INFO] running `"docker" "start" "-a" "bfcb5d2c77a276990d0fd3348016e1e85b8f7edae5846d5691ab380723a7f4cf"`
[INFO] [stderr]    Compiling gcmap v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "bfcb5d2c77a276990d0fd3348016e1e85b8f7edae5846d5691ab380723a7f4cf"`
[INFO] running `"docker" "rm" "-f" "bfcb5d2c77a276990d0fd3348016e1e85b8f7edae5846d5691ab380723a7f4cf"`
[INFO] [stdout] bfcb5d2c77a276990d0fd3348016e1e85b8f7edae5846d5691ab380723a7f4cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/gcmap/0.1.4:/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] eed31b4efdbf21d758b94e48ac7f2870e74eaa644a8357dcc44860d31fce91cb
[INFO] running `"docker" "start" "-a" "eed31b4efdbf21d758b94e48ac7f2870e74eaa644a8357dcc44860d31fce91cb"`
[INFO] [stderr]    Compiling gcmap v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `mark`
[INFO] [stderr]    --> src/lib.rs:224:10
[INFO] [stderr]     |
[INFO] [stderr] 224 |     let (mark, _) = wm.insert(2, 8);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_mark`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mark`
[INFO] [stderr]    --> src/lib.rs:251:47
[INFO] [stderr]     |
[INFO] [stderr] 251 |         let val = wm.entry(1).or_insert_with(|mark|2);
[INFO] [stderr]     |                                               ^^^^ help: consider prefixing with an underscore: `_mark`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "eed31b4efdbf21d758b94e48ac7f2870e74eaa644a8357dcc44860d31fce91cb"`
[INFO] running `"docker" "rm" "-f" "eed31b4efdbf21d758b94e48ac7f2870e74eaa644a8357dcc44860d31fce91cb"`
[INFO] [stdout] eed31b4efdbf21d758b94e48ac7f2870e74eaa644a8357dcc44860d31fce91cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/gcmap/0.1.4:/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] a96352e579a7aede1edfbeb4fa2dae6966bbab3a22a22e6e71876103d294ff5e
[INFO] running `"docker" "start" "-a" "a96352e579a7aede1edfbeb4fa2dae6966bbab3a22a22e6e71876103d294ff5e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gcmap-02c8e44989525c1c
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test entry ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gcmap
[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" "a96352e579a7aede1edfbeb4fa2dae6966bbab3a22a22e6e71876103d294ff5e"`
[INFO] running `"docker" "rm" "-f" "a96352e579a7aede1edfbeb4fa2dae6966bbab3a22a22e6e71876103d294ff5e"`
[INFO] [stdout] a96352e579a7aede1edfbeb4fa2dae6966bbab3a22a22e6e71876103d294ff5e