[INFO] updating cached repository wismer/rs_torrent
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wismer/rs_torrent
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wismer/rs_torrent" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wismer/rs_torrent"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wismer/rs_torrent'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wismer/rs_torrent" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/wismer/rs_torrent"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/wismer/rs_torrent'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b5209285c8f76a2d44e128239d0b79fb81d93081
[INFO] sha for GitHub repo wismer/rs_torrent: b5209285c8f76a2d44e128239d0b79fb81d93081
[INFO] validating manifest of wismer/rs_torrent on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wismer/rs_torrent on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wismer/rs_torrent
[INFO] finished frobbing wismer/rs_torrent
[INFO] frobbed toml for wismer/rs_torrent written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wismer/rs_torrent/Cargo.toml
[INFO] started frobbing wismer/rs_torrent
[INFO] finished frobbing wismer/rs_torrent
[INFO] frobbed toml for wismer/rs_torrent written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/wismer/rs_torrent/Cargo.toml
[INFO] crate wismer/rs_torrent has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wismer/rs_torrent against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wismer/rs_torrent:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] cadc04d6472754b1416a9ae657b1c56fcceebcdf4c2b3ab46b26ccd4754e1b58
[INFO] running `"docker" "start" "-a" "cadc04d6472754b1416a9ae657b1c56fcceebcdf4c2b3ab46b26ccd4754e1b58"`
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling tokio-executor v0.1.3
[INFO] [stderr]    Compiling http v0.1.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling tokio-timer v0.2.5
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling bip_bencode v0.4.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.3
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling hyper v0.12.8
[INFO] [stderr]    Compiling rs_bittorrent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `torrent`
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let torrent = Torrent::new(&torrent_content);
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_torrent`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `announce_list`
[INFO] [stderr]   --> src/torrent/torrent.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let announce_list = dict.lookup(b"announce-list").unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_announce_list`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tracker_query_params`
[INFO] [stderr]   --> src/torrent/torrent.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn tracker_query_params(&self) -> Option<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     torrent_file.read_to_end(&mut contents);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.32s
[INFO] running `"docker" "inspect" "cadc04d6472754b1416a9ae657b1c56fcceebcdf4c2b3ab46b26ccd4754e1b58"`
[INFO] running `"docker" "rm" "-f" "cadc04d6472754b1416a9ae657b1c56fcceebcdf4c2b3ab46b26ccd4754e1b58"`
[INFO] [stdout] cadc04d6472754b1416a9ae657b1c56fcceebcdf4c2b3ab46b26ccd4754e1b58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wismer/rs_torrent:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] b3541fc23e5bd28bedbcf3b22597b337a85a1d8cfcd63d65e2464160bd5f1523
[INFO] running `"docker" "start" "-a" "b3541fc23e5bd28bedbcf3b22597b337a85a1d8cfcd63d65e2464160bd5f1523"`
[INFO] [stderr]    Compiling rs_bittorrent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `torrent`
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let torrent = Torrent::new(&torrent_content);
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_torrent`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `announce_list`
[INFO] [stderr]   --> src/torrent/torrent.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let announce_list = dict.lookup(b"announce-list").unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_announce_list`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tracker_query_params`
[INFO] [stderr]   --> src/torrent/torrent.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn tracker_query_params(&self) -> Option<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     torrent_file.read_to_end(&mut contents);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "b3541fc23e5bd28bedbcf3b22597b337a85a1d8cfcd63d65e2464160bd5f1523"`
[INFO] running `"docker" "rm" "-f" "b3541fc23e5bd28bedbcf3b22597b337a85a1d8cfcd63d65e2464160bd5f1523"`
[INFO] [stdout] b3541fc23e5bd28bedbcf3b22597b337a85a1d8cfcd63d65e2464160bd5f1523
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wismer/rs_torrent:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 27cba479d1aacdb348a22cc9c4ec68b76e45eb83d94f76657f82e2da7074a4fd
[INFO] running `"docker" "start" "-a" "27cba479d1aacdb348a22cc9c4ec68b76e45eb83d94f76657f82e2da7074a4fd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rs_bittorrent-5060217a90deb674
[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" "27cba479d1aacdb348a22cc9c4ec68b76e45eb83d94f76657f82e2da7074a4fd"`
[INFO] running `"docker" "rm" "-f" "27cba479d1aacdb348a22cc9c4ec68b76e45eb83d94f76657f82e2da7074a4fd"`
[INFO] [stdout] 27cba479d1aacdb348a22cc9c4ec68b76e45eb83d94f76657f82e2da7074a4fd