[INFO] updating cached repository PurpleMyst/schemers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PurpleMyst/schemers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleMyst/schemers" "work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/schemers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/schemers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleMyst/schemers" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleMyst/schemers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleMyst/schemers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d80e03fcbe9895ddc97647192929d838823242ac
[INFO] sha for GitHub repo PurpleMyst/schemers: d80e03fcbe9895ddc97647192929d838823242ac
[INFO] validating manifest of PurpleMyst/schemers 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 PurpleMyst/schemers 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 PurpleMyst/schemers
[INFO] finished frobbing PurpleMyst/schemers
[INFO] frobbed toml for PurpleMyst/schemers written to work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/schemers/Cargo.toml
[INFO] started frobbing PurpleMyst/schemers
[INFO] finished frobbing PurpleMyst/schemers
[INFO] frobbed toml for PurpleMyst/schemers written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleMyst/schemers/Cargo.toml
[INFO] crate PurpleMyst/schemers already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 PurpleMyst/schemers against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/schemers:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 663383adfbe01c9eb609bc0084fd33512c1d6d7fa9e9a44f28ccdbe6ba23140a
[INFO] running `"docker" "start" "-a" "663383adfbe01c9eb609bc0084fd33512c1d6d7fa9e9a44f28ccdbe6ba23140a"`
[INFO] [stderr]    Compiling gc v0.3.2
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling gc_derive v0.3.2
[INFO] [stderr]    Compiling schemers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]   --> src/value.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     True,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.88s
[INFO] running `"docker" "inspect" "663383adfbe01c9eb609bc0084fd33512c1d6d7fa9e9a44f28ccdbe6ba23140a"`
[INFO] running `"docker" "rm" "-f" "663383adfbe01c9eb609bc0084fd33512c1d6d7fa9e9a44f28ccdbe6ba23140a"`
[INFO] [stdout] 663383adfbe01c9eb609bc0084fd33512c1d6d7fa9e9a44f28ccdbe6ba23140a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/schemers:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] db065973be2ceca8e0d737165c595ac7d2bb8443e99b9bba5f327aebe28c3959
[INFO] running `"docker" "start" "-a" "db065973be2ceca8e0d737165c595ac7d2bb8443e99b9bba5f327aebe28c3959"`
[INFO] [stderr]    Compiling schemers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]   --> src/value.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     True,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `"docker" "inspect" "db065973be2ceca8e0d737165c595ac7d2bb8443e99b9bba5f327aebe28c3959"`
[INFO] running `"docker" "rm" "-f" "db065973be2ceca8e0d737165c595ac7d2bb8443e99b9bba5f327aebe28c3959"`
[INFO] [stdout] db065973be2ceca8e0d737165c595ac7d2bb8443e99b9bba5f327aebe28c3959
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/schemers:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e36330582626313dcaf886201e2c85ef200cb3ef9c57e38bf6f73f1b99d62c98
[INFO] running `"docker" "start" "-a" "e36330582626313dcaf886201e2c85ef200cb3ef9c57e38bf6f73f1b99d62c98"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/schemers-229b96d01f15068c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test parser::tests::test_symbol ... ok
[INFO] [stdout] test parser::tests::test_string ... ok
[INFO] [stdout] test parser::tests::test_sexpr ... ok
[INFO] [stdout] test parser::tests::test_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e36330582626313dcaf886201e2c85ef200cb3ef9c57e38bf6f73f1b99d62c98"`
[INFO] running `"docker" "rm" "-f" "e36330582626313dcaf886201e2c85ef200cb3ef9c57e38bf6f73f1b99d62c98"`
[INFO] [stdout] e36330582626313dcaf886201e2c85ef200cb3ef9c57e38bf6f73f1b99d62c98