[INFO] updating cached repository bluecereal/Overseer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bluecereal/Overseer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bluecereal/Overseer" "work/ex/beta-1.37-6/sources/1.36.0/gh/bluecereal/Overseer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bluecereal/Overseer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bluecereal/Overseer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bluecereal/Overseer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bluecereal/Overseer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 744927b73df7d63932af46f42611afb031aa7937
[INFO] sha for GitHub repo bluecereal/Overseer: 744927b73df7d63932af46f42611afb031aa7937
[INFO] validating manifest of bluecereal/Overseer 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 bluecereal/Overseer 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 bluecereal/Overseer
[INFO] finished frobbing bluecereal/Overseer
[INFO] frobbed toml for bluecereal/Overseer written to work/ex/beta-1.37-6/sources/1.36.0/gh/bluecereal/Overseer/Cargo.toml
[INFO] started frobbing bluecereal/Overseer
[INFO] finished frobbing bluecereal/Overseer
[INFO] frobbed toml for bluecereal/Overseer written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bluecereal/Overseer/Cargo.toml
[INFO] crate bluecereal/Overseer 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bluecereal/Overseer/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bluecereal/Overseer 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bluecereal/Overseer:/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] 1b6b3c109eac90838785fd2b894ba27bbd90906993d88b641cf489377b879722
[INFO] running `"docker" "start" "-a" "1b6b3c109eac90838785fd2b894ba27bbd90906993d88b641cf489377b879722"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling getrandom v0.1.7
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling Overseer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `std` is imported redundantly
[INFO] [stderr]  --> src/my_mods/name_gen.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use std;
[INFO] [stderr]   |         ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]  --> src/my_mods/name_gen.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     use rand;
[INFO] [stderr]   |         ^^^^
[INFO] [stderr]   | 
[INFO] [stderr]  ::: src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate rand;
[INFO] [stderr]   | ------------------ the item `rand` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rev` is never read
[INFO] [stderr]   --> src/my_mods/overseer.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let mut rev = 0;
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Overseer` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `overseer`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.52s
[INFO] running `"docker" "inspect" "1b6b3c109eac90838785fd2b894ba27bbd90906993d88b641cf489377b879722"`
[INFO] running `"docker" "rm" "-f" "1b6b3c109eac90838785fd2b894ba27bbd90906993d88b641cf489377b879722"`
[INFO] [stdout] 1b6b3c109eac90838785fd2b894ba27bbd90906993d88b641cf489377b879722
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bluecereal/Overseer:/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] b0b65bf8ea0d4fc9ff873fba26827b239baab2869b138e5e9a94ae3e4f61c6c7
[INFO] running `"docker" "start" "-a" "b0b65bf8ea0d4fc9ff873fba26827b239baab2869b138e5e9a94ae3e4f61c6c7"`
[INFO] [stderr]    Compiling Overseer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `std` is imported redundantly
[INFO] [stderr]  --> src/my_mods/name_gen.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use std;
[INFO] [stderr]   |         ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]  --> src/my_mods/name_gen.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     use rand;
[INFO] [stderr]   |         ^^^^
[INFO] [stderr]   | 
[INFO] [stderr]  ::: src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate rand;
[INFO] [stderr]   | ------------------ the item `rand` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rev` is never read
[INFO] [stderr]   --> src/my_mods/overseer.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let mut rev = 0;
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Overseer` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `overseer`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "b0b65bf8ea0d4fc9ff873fba26827b239baab2869b138e5e9a94ae3e4f61c6c7"`
[INFO] running `"docker" "rm" "-f" "b0b65bf8ea0d4fc9ff873fba26827b239baab2869b138e5e9a94ae3e4f61c6c7"`
[INFO] [stdout] b0b65bf8ea0d4fc9ff873fba26827b239baab2869b138e5e9a94ae3e4f61c6c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bluecereal/Overseer:/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] bd4f89c30b0b8d03ccbbfdd575df068f52950de8eb265da9cd87cd7022ad988c
[INFO] running `"docker" "start" "-a" "bd4f89c30b0b8d03ccbbfdd575df068f52950de8eb265da9cd87cd7022ad988c"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Overseer-9bcce2f3e1e0d527
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bd4f89c30b0b8d03ccbbfdd575df068f52950de8eb265da9cd87cd7022ad988c"`
[INFO] running `"docker" "rm" "-f" "bd4f89c30b0b8d03ccbbfdd575df068f52950de8eb265da9cd87cd7022ad988c"`
[INFO] [stdout] bd4f89c30b0b8d03ccbbfdd575df068f52950de8eb265da9cd87cd7022ad988c