[INFO] cloning repository https://github.com/christian-blades-cb/aoc-2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christian-blades-cb/aoc-2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Faoc-2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Faoc-2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 461b71b5060711a77ae0db588dee8eefa7efc5ca
[INFO] testing christian-blades-cb/aoc-2015 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Faoc-2015" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christian-blades-cb/aoc-2015 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christian-blades-cb/aoc-2015
[INFO] finished tweaking git repo https://github.com/christian-blades-cb/aoc-2015
[INFO] tweaked toml for git repo https://github.com/christian-blades-cb/aoc-2015 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/christian-blades-cb/aoc-2015 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.3
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded topological-sort v0.1.0
[INFO] [stderr]   Downloaded regex v1.0.6
[INFO] [stderr]   Downloaded humantime v1.1.1
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.42
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded nom v4.1.1
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded env_logger v0.6.0
[INFO] [stderr]   Downloaded md5 v0.6.0
[INFO] [stderr]   Downloaded tap v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ccc0376cea9cdc76634f48cb85bdfd0fabcb297b78b83ea413e0a28fb3b47a6
[INFO] running `Command { std: "docker" "start" "-a" "5ccc0376cea9cdc76634f48cb85bdfd0fabcb297b78b83ea413e0a28fb3b47a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ccc0376cea9cdc76634f48cb85bdfd0fabcb297b78b83ea413e0a28fb3b47a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccc0376cea9cdc76634f48cb85bdfd0fabcb297b78b83ea413e0a28fb3b47a6", kill_on_drop: false }`
[INFO] [stdout] 5ccc0376cea9cdc76634f48cb85bdfd0fabcb297b78b83ea413e0a28fb3b47a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0fb8f6edf033eb583f159963c584227227ac986a62a7fb0c46fc3281070a115
[INFO] running `Command { std: "docker" "start" "-a" "c0fb8f6edf033eb583f159963c584227227ac986a62a7fb0c46fc3281070a115", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling tap v0.3.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling md5 v0.6.0
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling topological-sort v0.1.0
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]    Compiling day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                         let v = self.cache.get(w).unwrap();
[INFO] [stdout]     |                                 ---------- immutable borrow occurs here
[INFO] [stdout] 139 |                         self.cache.insert(wire.into(), !v);
[INFO] [stdout]     |                         ^^^^^^^^^^                      - immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:146:25
[INFO] [stdout]     |
[INFO] [stdout] 145 |                         let v = self.cache.get(w).unwrap();
[INFO] [stdout]     |                                 ---------- immutable borrow occurs here
[INFO] [stdout] 146 |                         self.cache.insert(wire.into(), v << shift_by);
[INFO] [stdout]     |                         ^^^^^^^^^^                     - immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:153:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |                         let v = self.cache.get(w).unwrap();
[INFO] [stdout]     |                                 ---------- immutable borrow occurs here
[INFO] [stdout] 153 |                         self.cache.insert(wire.into(), v >> shift_by);
[INFO] [stdout]     |                         ^^^^^^^^^^                     - immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:132:25
[INFO] [stdout]     |
[INFO] [stdout] 131 |                         let v = self.cache.get(w).unwrap();
[INFO] [stdout]     |                                 ---------- immutable borrow occurs here
[INFO] [stdout] 132 |                         self.cache.insert(wire.into(), *v);
[INFO] [stdout]     |                         ^^^^^^^^^^                     -- immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 157 |                             SignalRef::Wire(w) => self.cache.get(w).unwrap(),
[INFO] [stdout]     |                                                   ---------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 164 |                         self.cache.insert(wire.into(), l_v & r_v);
[INFO] [stdout]     |                         ^^^^^^^^^^                     --- immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 168 |                             SignalRef::Wire(w) => self.cache.get(w).unwrap(),
[INFO] [stdout]     |                                                   ---------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 175 |                         self.cache.insert(wire.into(), l_v | r_v);
[INFO] [stdout]     |                         ^^^^^^^^^^                     --- immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.25s
[INFO] running `Command { std: "docker" "inspect" "c0fb8f6edf033eb583f159963c584227227ac986a62a7fb0c46fc3281070a115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0fb8f6edf033eb583f159963c584227227ac986a62a7fb0c46fc3281070a115", kill_on_drop: false }`
[INFO] [stdout] c0fb8f6edf033eb583f159963c584227227ac986a62a7fb0c46fc3281070a115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26345e95c05085f4beb7f3fcf41bcc662add4c41dcb3d8dcd0200c27b32d601d
[INFO] running `Command { std: "docker" "start" "-a" "26345e95c05085f4beb7f3fcf41bcc662add4c41dcb3d8dcd0200c27b32d601d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]    Compiling day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]    Compiling day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]    Compiling day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]    Compiling day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]    Compiling day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                         let v = self.cache.get(w).unwrap();
[INFO] [stdout]     |                                 ---------- immutable borrow occurs here
[INFO] [stdout] 139 |                         self.cache.insert(wire.into(), !v);
[INFO] [stdout]     |                         ^^^^^^^^^^                      - immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:146:25
[INFO] [stdout]     |
[INFO] [stdout] 145 |                         let v = self.cache.get(w).unwrap();
[INFO] [stdout]     |                                 ---------- immutable borrow occurs here
[INFO] [stdout] 146 |                         self.cache.insert(wire.into(), v << shift_by);
[INFO] [stdout]     |                         ^^^^^^^^^^                     - immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:153:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |                         let v = self.cache.get(w).unwrap();
[INFO] [stdout]     |                                 ---------- immutable borrow occurs here
[INFO] [stdout] 153 |                         self.cache.insert(wire.into(), v >> shift_by);
[INFO] [stdout]     |                         ^^^^^^^^^^                     - immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:132:25
[INFO] [stdout]     |
[INFO] [stdout] 131 |                         let v = self.cache.get(w).unwrap();
[INFO] [stdout]     |                                 ---------- immutable borrow occurs here
[INFO] [stdout] 132 |                         self.cache.insert(wire.into(), *v);
[INFO] [stdout]     |                         ^^^^^^^^^^                     -- immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 157 |                             SignalRef::Wire(w) => self.cache.get(w).unwrap(),
[INFO] [stdout]     |                                                   ---------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 164 |                         self.cache.insert(wire.into(), l_v & r_v);
[INFO] [stdout]     |                         ^^^^^^^^^^                     --- immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> day7/src/main.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 168 |                             SignalRef::Wire(w) => self.cache.get(w).unwrap(),
[INFO] [stdout]     |                                                   ---------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 175 |                         self.cache.insert(wire.into(), l_v | r_v);
[INFO] [stdout]     |                         ^^^^^^^^^^                     --- immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "26345e95c05085f4beb7f3fcf41bcc662add4c41dcb3d8dcd0200c27b32d601d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26345e95c05085f4beb7f3fcf41bcc662add4c41dcb3d8dcd0200c27b32d601d", kill_on_drop: false }`
[INFO] [stdout] 26345e95c05085f4beb7f3fcf41bcc662add4c41dcb3d8dcd0200c27b32d601d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d5ed766cd7c70711899debe05bf706da7265c9c45827e47ab14fdfcfafc421d
[INFO] running `Command { std: "docker" "start" "-a" "0d5ed766cd7c70711899debe05bf706da7265c9c45827e47ab14fdfcfafc421d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> day7/src/main.rs:139:25
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         let v = self.cache.get(w).unwrap();
[INFO] [stderr]     |                                 ---------- immutable borrow occurs here
[INFO] [stderr] 139 |                         self.cache.insert(wire.into(), !v);
[INFO] [stderr]     |                         ^^^^^^^^^^                      - immutable borrow later used here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> day7/src/main.rs:146:25
[INFO] [stderr]     |
[INFO] [stderr] 145 |                         let v = self.cache.get(w).unwrap();
[INFO] [stderr]     |                                 ---------- immutable borrow occurs here
[INFO] [stderr] 146 |                         self.cache.insert(wire.into(), v << shift_by);
[INFO] [stderr]     |                         ^^^^^^^^^^                     - immutable borrow later used here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> day7/src/main.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |                         let v = self.cache.get(w).unwrap();
[INFO] [stderr]     |                                 ---------- immutable borrow occurs here
[INFO] [stderr] 153 |                         self.cache.insert(wire.into(), v >> shift_by);
[INFO] [stderr]     |                         ^^^^^^^^^^                     - immutable borrow later used here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> day7/src/main.rs:132:25
[INFO] [stderr]     |
[INFO] [stderr] 131 |                         let v = self.cache.get(w).unwrap();
[INFO] [stderr]     |                                 ---------- immutable borrow occurs here
[INFO] [stderr] 132 |                         self.cache.insert(wire.into(), *v);
[INFO] [stderr]     |                         ^^^^^^^^^^                     -- immutable borrow later used here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> day7/src/main.rs:164:25
[INFO] [stderr]     |
[INFO] [stderr] 157 |                             SignalRef::Wire(w) => self.cache.get(w).unwrap(),
[INFO] [stderr]     |                                                   ---------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 164 |                         self.cache.insert(wire.into(), l_v & r_v);
[INFO] [stderr]     |                         ^^^^^^^^^^                     --- immutable borrow later used here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `self.cache` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> day7/src/main.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 168 |                             SignalRef::Wire(w) => self.cache.get(w).unwrap(),
[INFO] [stderr]     |                                                   ---------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 175 |                         self.cache.insert(wire.into(), l_v | r_v);
[INFO] [stderr]     |                         ^^^^^^^^^^                     --- immutable borrow later used here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: `day7` (bin "day7" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day1-b4217d307c33efe3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_part1 ... ok
[INFO] [stdout] test tests::test_part2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day2-c713cebfed6fc5ca)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_part1 ... ok
[INFO] [stdout] test test::test_part2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day3-0e2dc4cedd3e4743)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day4-1c8d3d9a7b4fee0e)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_part1 ... ok
[INFO] [stdout] test test::test_part2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_part1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.23s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day5-45d62f1ffcc3509c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::test_day2 ... ok
[INFO] [stdout] test test::test_is_nice ... ok
[INFO] [stdout] test test::test_stutters ... ok
[INFO] [stdout] test test::test_repeating_pair ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day6-41f89c8de63f1a8e)
[INFO] [stdout] test test::test_aba ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_parse_coords ... ok
[INFO] [stdout] test test::test_grid2 ... ok
[INFO] [stdout] test test::test_parse_instruction ... ok
[INFO] [stdout] test test::test_turnon ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day7-58b023c0cd1f98b9)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::test_parse_bool ... ok
[INFO] [stdout] test test::test_p1_realistic ... ok
[INFO] [stdout] test test::test_parse_not ... ok
[INFO] [stdout] test test::test_parse_wiring ... ok
[INFO] [stdout] test test::test_parse_shift ... ok
[INFO] [stdout] test test::test_part1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0d5ed766cd7c70711899debe05bf706da7265c9c45827e47ab14fdfcfafc421d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5ed766cd7c70711899debe05bf706da7265c9c45827e47ab14fdfcfafc421d", kill_on_drop: false }`
[INFO] [stdout] 0d5ed766cd7c70711899debe05bf706da7265c9c45827e47ab14fdfcfafc421d