[INFO] updating cached repository nellshamrell/rust_traits_dnd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nellshamrell/rust_traits_dnd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nellshamrell/rust_traits_dnd" "work/ex/beta-1.37-6/sources/1.36.0/gh/nellshamrell/rust_traits_dnd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nellshamrell/rust_traits_dnd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nellshamrell/rust_traits_dnd" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nellshamrell/rust_traits_dnd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nellshamrell/rust_traits_dnd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b7a7c42245768173e99cc9af07354ff54a6a1f2
[INFO] sha for GitHub repo nellshamrell/rust_traits_dnd: 1b7a7c42245768173e99cc9af07354ff54a6a1f2
[INFO] validating manifest of nellshamrell/rust_traits_dnd 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 nellshamrell/rust_traits_dnd 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 nellshamrell/rust_traits_dnd
[INFO] finished frobbing nellshamrell/rust_traits_dnd
[INFO] frobbed toml for nellshamrell/rust_traits_dnd written to work/ex/beta-1.37-6/sources/1.36.0/gh/nellshamrell/rust_traits_dnd/Cargo.toml
[INFO] started frobbing nellshamrell/rust_traits_dnd
[INFO] finished frobbing nellshamrell/rust_traits_dnd
[INFO] frobbed toml for nellshamrell/rust_traits_dnd written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nellshamrell/rust_traits_dnd/Cargo.toml
[INFO] crate nellshamrell/rust_traits_dnd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nellshamrell/rust_traits_dnd against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nellshamrell/rust_traits_dnd:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 69d6ffd14cb7c41ceafc7b969d81e282cd5afd9fd8a874440e2880d5ea885270
[INFO] running `"docker" "start" "-a" "69d6ffd14cb7c41ceafc7b969d81e282cd5afd9fd8a874440e2880d5ea885270"`
[INFO] [stderr]    Compiling character v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `character`
[INFO] [stderr]   --> src/main.rs:47:37
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn understand_elvish<T: Elvish>(character: T) -> String {
[INFO] [stderr]    |                                     ^^^^^^^^^ help: consider prefixing with an underscore: `_character`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]  --> src/main.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 |    name: String
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     name: String
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     name: String
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     name: String
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "69d6ffd14cb7c41ceafc7b969d81e282cd5afd9fd8a874440e2880d5ea885270"`
[INFO] running `"docker" "rm" "-f" "69d6ffd14cb7c41ceafc7b969d81e282cd5afd9fd8a874440e2880d5ea885270"`
[INFO] [stdout] 69d6ffd14cb7c41ceafc7b969d81e282cd5afd9fd8a874440e2880d5ea885270
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nellshamrell/rust_traits_dnd:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 669f68502e2d5453f057b535872a4f73f4ee8d8bbb993dbccb014bc3c738ad15
[INFO] running `"docker" "start" "-a" "669f68502e2d5453f057b535872a4f73f4ee8d8bbb993dbccb014bc3c738ad15"`
[INFO] [stderr]    Compiling character v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `character`
[INFO] [stderr]   --> src/main.rs:47:37
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn understand_elvish<T: Elvish>(character: T) -> String {
[INFO] [stderr]    |                                     ^^^^^^^^^ help: consider prefixing with an underscore: `_character`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]  --> src/main.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 |    name: String
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     name: String
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     name: String
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     name: String
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "669f68502e2d5453f057b535872a4f73f4ee8d8bbb993dbccb014bc3c738ad15"`
[INFO] running `"docker" "rm" "-f" "669f68502e2d5453f057b535872a4f73f4ee8d8bbb993dbccb014bc3c738ad15"`
[INFO] [stdout] 669f68502e2d5453f057b535872a4f73f4ee8d8bbb993dbccb014bc3c738ad15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nellshamrell/rust_traits_dnd:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] a742808625492ca2f4c4ab2726ffec0dbd2bf188342825116ed5b157edb4fa63
[INFO] running `"docker" "start" "-a" "a742808625492ca2f4c4ab2726ffec0dbd2bf188342825116ed5b157edb4fa63"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/character-4ae1c6ab8313ccc5
[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" "a742808625492ca2f4c4ab2726ffec0dbd2bf188342825116ed5b157edb4fa63"`
[INFO] running `"docker" "rm" "-f" "a742808625492ca2f4c4ab2726ffec0dbd2bf188342825116ed5b157edb4fa63"`
[INFO] [stdout] a742808625492ca2f4c4ab2726ffec0dbd2bf188342825116ed5b157edb4fa63