[INFO] crate libimagtodo 0.9.3 is already in cache
[INFO] extracting crate libimagtodo 0.9.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/libimagtodo/0.9.3
[INFO] extracting crate libimagtodo 0.9.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libimagtodo/0.9.3
[INFO] validating manifest of libimagtodo-0.9.3 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 libimagtodo-0.9.3 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 libimagtodo-0.9.3
[INFO] finished frobbing libimagtodo-0.9.3
[INFO] frobbed toml for libimagtodo-0.9.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/libimagtodo/0.9.3/Cargo.toml
[INFO] started frobbing libimagtodo-0.9.3
[INFO] finished frobbing libimagtodo-0.9.3
[INFO] frobbed toml for libimagtodo-0.9.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libimagtodo/0.9.3/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 libimagtodo-0.9.3 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-1/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/libimagtodo/0.9.3:/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] b26a0b6fd15352265446f637391d3459bd0b8c4ab5826bd35a3676f4b98f1a79
[INFO] running `"docker" "start" "-a" "b26a0b6fd15352265446f637391d3459bd0b8c4ab5826bd35a3676f4b98f1a79"`
[INFO] [stderr]    Compiling derive_builder v0.6.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling darling_core v0.6.3
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling libimagerror v0.9.3
[INFO] [stderr]    Compiling toml-query v0.8.0
[INFO] [stderr]    Compiling libimagutil v0.9.3
[INFO] [stderr]    Compiling libimagstore v0.9.3
[INFO] [stderr]    Compiling darling_macro v0.6.3
[INFO] [stderr]    Compiling darling v0.6.3
[INFO] [stderr]    Compiling derive_builder_core v0.3.0
[INFO] [stderr]    Compiling task-hookrs v0.6.0
[INFO] [stderr]    Compiling libimagtodo v0.9.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/taskstore.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let val = serde_to_string(&ttask).context(err_msg("Import error"))?;
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.81s
[INFO] running `"docker" "inspect" "b26a0b6fd15352265446f637391d3459bd0b8c4ab5826bd35a3676f4b98f1a79"`
[INFO] running `"docker" "rm" "-f" "b26a0b6fd15352265446f637391d3459bd0b8c4ab5826bd35a3676f4b98f1a79"`
[INFO] [stdout] b26a0b6fd15352265446f637391d3459bd0b8c4ab5826bd35a3676f4b98f1a79
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/libimagtodo/0.9.3:/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] 0a219e9571b7ca1080384a4a541a901d1557fdb3e8791618c66119db7af909af
[INFO] running `"docker" "start" "-a" "0a219e9571b7ca1080384a4a541a901d1557fdb3e8791618c66119db7af909af"`
[INFO] [stderr]    Compiling libimagtodo v0.9.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/taskstore.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let val = serde_to_string(&ttask).context(err_msg("Import error"))?;
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "0a219e9571b7ca1080384a4a541a901d1557fdb3e8791618c66119db7af909af"`
[INFO] running `"docker" "rm" "-f" "0a219e9571b7ca1080384a4a541a901d1557fdb3e8791618c66119db7af909af"`
[INFO] [stdout] 0a219e9571b7ca1080384a4a541a901d1557fdb3e8791618c66119db7af909af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/libimagtodo/0.9.3:/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] 5815166794b303c5005c524e73dd5c23fd51f02d5a8a699ab95568a57bc81561
[INFO] running `"docker" "start" "-a" "5815166794b303c5005c524e73dd5c23fd51f02d5a8a699ab95568a57bc81561"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libimagtodo-d94c0b1d1836f8d0
[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] [stderr]    Doc-tests libimagtodo
[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" "5815166794b303c5005c524e73dd5c23fd51f02d5a8a699ab95568a57bc81561"`
[INFO] running `"docker" "rm" "-f" "5815166794b303c5005c524e73dd5c23fd51f02d5a8a699ab95568a57bc81561"`
[INFO] [stdout] 5815166794b303c5005c524e73dd5c23fd51f02d5a8a699ab95568a57bc81561