[INFO] updating cached repository phillyai/mortal-coil-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phillyai/mortal-coil-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phillyai/mortal-coil-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/mortal-coil-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/mortal-coil-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phillyai/mortal-coil-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phillyai/mortal-coil-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phillyai/mortal-coil-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce9de4e1a2ff7eda4e2300ff4eabd510a2342fdd
[INFO] sha for GitHub repo phillyai/mortal-coil-rs: ce9de4e1a2ff7eda4e2300ff4eabd510a2342fdd
[INFO] validating manifest of phillyai/mortal-coil-rs 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 phillyai/mortal-coil-rs 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 phillyai/mortal-coil-rs
[INFO] finished frobbing phillyai/mortal-coil-rs
[INFO] frobbed toml for phillyai/mortal-coil-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/mortal-coil-rs/Cargo.toml
[INFO] started frobbing phillyai/mortal-coil-rs
[INFO] finished frobbing phillyai/mortal-coil-rs
[INFO] frobbed toml for phillyai/mortal-coil-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phillyai/mortal-coil-rs/Cargo.toml
[INFO] crate phillyai/mortal-coil-rs 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing phillyai/mortal-coil-rs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/mortal-coil-rs:/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] 12f1fd94097f82e5ecc108cc924ac1d3a518a60679ecabd25ed549232fef33b0
[INFO] running `"docker" "start" "-a" "12f1fd94097f82e5ecc108cc924ac1d3a518a60679ecabd25ed549232fef33b0"`
[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling mime v0.3.12
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling libflate v0.1.18
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling hyper v0.12.13
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.4
[INFO] [stderr]    Compiling mortal-coil v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:89:14
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
[INFO] [stderr]    |              ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:89:24
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
[INFO] [stderr]    |                        ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/main.rs:89:34
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
[INFO] [stderr]    |                                  ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `submit_board`
[INFO] [stderr]   --> src/main.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn submit_board(client: &Client, x: usize, y: usize, path: Vec<Dir>) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_solve`
[INFO] [stderr]   --> src/main.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Dir`
[INFO] [stderr]   --> src/main.rs:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | enum Dir {
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `url` should have an upper case name
[INFO] [stderr]   --> src/main.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const url: &str = "http://www.hacker.org/coil/index.php";
[INFO] [stderr]    |       ^^^ help: convert the identifier to upper case: `URL`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `"docker" "inspect" "12f1fd94097f82e5ecc108cc924ac1d3a518a60679ecabd25ed549232fef33b0"`
[INFO] running `"docker" "rm" "-f" "12f1fd94097f82e5ecc108cc924ac1d3a518a60679ecabd25ed549232fef33b0"`
[INFO] [stdout] 12f1fd94097f82e5ecc108cc924ac1d3a518a60679ecabd25ed549232fef33b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/mortal-coil-rs:/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] d678b43d5060668c408fdf7470b45b447a6731705410b50aa682cd2d4d8946cc
[INFO] running `"docker" "start" "-a" "d678b43d5060668c408fdf7470b45b447a6731705410b50aa682cd2d4d8946cc"`
[INFO] [stderr]    Compiling mortal-coil v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:89:14
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
[INFO] [stderr]    |              ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:89:24
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
[INFO] [stderr]    |                        ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/main.rs:89:34
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
[INFO] [stderr]    |                                  ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `submit_board`
[INFO] [stderr]   --> src/main.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn submit_board(client: &Client, x: usize, y: usize, path: Vec<Dir>) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_solve`
[INFO] [stderr]   --> src/main.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Dir`
[INFO] [stderr]   --> src/main.rs:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | enum Dir {
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `url` should have an upper case name
[INFO] [stderr]   --> src/main.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const url: &str = "http://www.hacker.org/coil/index.php";
[INFO] [stderr]    |       ^^^ help: convert the identifier to upper case: `URL`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "d678b43d5060668c408fdf7470b45b447a6731705410b50aa682cd2d4d8946cc"`
[INFO] running `"docker" "rm" "-f" "d678b43d5060668c408fdf7470b45b447a6731705410b50aa682cd2d4d8946cc"`
[INFO] [stdout] d678b43d5060668c408fdf7470b45b447a6731705410b50aa682cd2d4d8946cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/mortal-coil-rs:/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] 7571b0ad9b2dfd481629431deb0fad2a4959a3cfdccf77f92a6ee25664fc25ac
[INFO] running `"docker" "start" "-a" "7571b0ad9b2dfd481629431deb0fad2a4959a3cfdccf77f92a6ee25664fc25ac"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mortal_coil-0c844f0bef14cd5e
[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" "7571b0ad9b2dfd481629431deb0fad2a4959a3cfdccf77f92a6ee25664fc25ac"`
[INFO] running `"docker" "rm" "-f" "7571b0ad9b2dfd481629431deb0fad2a4959a3cfdccf77f92a6ee25664fc25ac"`
[INFO] [stdout] 7571b0ad9b2dfd481629431deb0fad2a4959a3cfdccf77f92a6ee25664fc25ac