[INFO] updating cached repository bstrydo/xconf [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/bstrydo/xconf [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/bstrydo/xconf" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bstrydo/xconf"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bstrydo/xconf'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/bstrydo/xconf" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bstrydo/xconf"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bstrydo/xconf'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1ab32ad4d6e1445ed7f04c3050400f90cca067d3 [INFO] sha for GitHub repo bstrydo/xconf: 1ab32ad4d6e1445ed7f04c3050400f90cca067d3 [INFO] validating manifest of bstrydo/xconf 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 bstrydo/xconf 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 bstrydo/xconf [INFO] finished frobbing bstrydo/xconf [INFO] frobbed toml for bstrydo/xconf written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bstrydo/xconf/Cargo.toml [INFO] started frobbing bstrydo/xconf [INFO] finished frobbing bstrydo/xconf [INFO] frobbed toml for bstrydo/xconf written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bstrydo/xconf/Cargo.toml [INFO] crate bstrydo/xconf 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 bstrydo/xconf against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bstrydo/xconf:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"` [INFO] [stdout] e99f28cb03883b50fe0e2371d3f24b30771a842286ce57fa89b5856ea5ee4dcc [INFO] running `"docker" "start" "-a" "e99f28cb03883b50fe0e2371d3f24b30771a842286ce57fa89b5856ea5ee4dcc"` [INFO] [stderr] Compiling idna v0.1.2 [INFO] [stderr] Compiling url v1.5.1 [INFO] [stderr] Compiling hyper v0.10.12 [INFO] [stderr] Compiling iron v0.5.1 [INFO] [stderr] Compiling router v0.5.1 [INFO] [stderr] Compiling xconf v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/thread_example.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut handles = vec![ [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/thread_example.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | handle.join(); [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] warning: variable `weird` is assigned to, but never used [INFO] [stderr] --> src/bin/lifetimes.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let weird; //starts living here [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] = note: consider using `_weird` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `weird` is never read [INFO] [stderr] --> src/bin/lifetimes.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | weird = do_something_weird(&my_v1, 3, my_v2); [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] Finished dev [unoptimized + debuginfo] target(s) in 28.03s [INFO] running `"docker" "inspect" "e99f28cb03883b50fe0e2371d3f24b30771a842286ce57fa89b5856ea5ee4dcc"` [INFO] running `"docker" "rm" "-f" "e99f28cb03883b50fe0e2371d3f24b30771a842286ce57fa89b5856ea5ee4dcc"` [INFO] [stdout] e99f28cb03883b50fe0e2371d3f24b30771a842286ce57fa89b5856ea5ee4dcc [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bstrydo/xconf:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 5022e9f2552ec9bc69297a23a19457ca66fca82d145b66e977491dd64d34301b [INFO] running `"docker" "start" "-a" "5022e9f2552ec9bc69297a23a19457ca66fca82d145b66e977491dd64d34301b"` [INFO] [stderr] Compiling xconf v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable `weird` is assigned to, but never used [INFO] [stderr] --> src/bin/lifetimes.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let weird; //starts living here [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] = note: consider using `_weird` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `weird` is never read [INFO] [stderr] --> src/bin/lifetimes.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | weird = do_something_weird(&my_v1, 3, my_v2); [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: variable does not need to be mutable [INFO] [stderr] --> src/bin/thread_example.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut handles = vec![ [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/thread_example.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | handle.join(); [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 2.91s [INFO] running `"docker" "inspect" "5022e9f2552ec9bc69297a23a19457ca66fca82d145b66e977491dd64d34301b"` [INFO] running `"docker" "rm" "-f" "5022e9f2552ec9bc69297a23a19457ca66fca82d145b66e977491dd64d34301b"` [INFO] [stdout] 5022e9f2552ec9bc69297a23a19457ca66fca82d145b66e977491dd64d34301b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bstrydo/xconf:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"` [INFO] [stdout] 5f161eff580bc15b69b718d43d68784ee4c291c2d3e9413bce66b09d5ade39bf [INFO] running `"docker" "start" "-a" "5f161eff580bc15b69b718d43d68784ee4c291c2d3e9413bce66b09d5ade39bf"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/bad_cycle-c5556ce8d31d41ea [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/factorial-a9db8b7b58ded4c2 [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/lifetimes-e13f53614e1f138c [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] [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] [stderr] Running /opt/crater/target/debug/deps/rest-25b5997edbf43a52 [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/safe_cycle-a2dc590c1e299a5e [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/thread_example-11c229b089310fd5 [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/xconf-f591cd65d617bc91 [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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] [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" "5f161eff580bc15b69b718d43d68784ee4c291c2d3e9413bce66b09d5ade39bf"` [INFO] running `"docker" "rm" "-f" "5f161eff580bc15b69b718d43d68784ee4c291c2d3e9413bce66b09d5ade39bf"` [INFO] [stdout] 5f161eff580bc15b69b718d43d68784ee4c291c2d3e9413bce66b09d5ade39bf