[INFO] cloning repository https://github.com/tehgeekmeister/boggler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tehgeekmeister/boggler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehgeekmeister%2Fboggler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehgeekmeister%2Fboggler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f161c645eed8581aa229b7a95c14bc806b0b8e1c
[INFO] testing tehgeekmeister/boggler against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehgeekmeister%2Fboggler" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tehgeekmeister/boggler on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tehgeekmeister/boggler
[INFO] finished tweaking git repo https://github.com/tehgeekmeister/boggler
[INFO] tweaked toml for git repo https://github.com/tehgeekmeister/boggler written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/tehgeekmeister/boggler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be2d13c244956a949dff4857c1cc0937b3d7782fd17365d5d6c7595c09c6b683
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be2d13c244956a949dff4857c1cc0937b3d7782fd17365d5d6c7595c09c6b683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be2d13c244956a949dff4857c1cc0937b3d7782fd17365d5d6c7595c09c6b683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2d13c244956a949dff4857c1cc0937b3d7782fd17365d5d6c7595c09c6b683", kill_on_drop: false }`
[INFO] [stdout] be2d13c244956a949dff4857c1cc0937b3d7782fd17365d5d6c7595c09c6b683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31f3814847007ba9f0a412412e6b8d834474460b52df4d4f2b04e2fbc3aeb710
[INFO] running `Command { std: "docker" "start" "-a" "31f3814847007ba9f0a412412e6b8d834474460b52df4d4f2b04e2fbc3aeb710", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.0.5
[INFO] [stderr]    Compiling nibble_vec v0.0.3
[INFO] [stderr]    Compiling petgraph v0.1.11
[INFO] [stderr]    Compiling radix_trie v0.0.8
[INFO] [stderr]    Compiling boggler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let f = try!(File::open("./words"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |         trie.insert(try!(line), ());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `'a` is never used
[INFO] [stdout]   --> src/main.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct PathComponent<'a> {
[INFO] [stdout]    |                      ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `'a` is never used
[INFO] [stdout]   --> src/main.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct PathComponentIterator<'a: 'b, 'b> {
[INFO] [stdout]    |                              ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `boggler` due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "31f3814847007ba9f0a412412e6b8d834474460b52df4d4f2b04e2fbc3aeb710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f3814847007ba9f0a412412e6b8d834474460b52df4d4f2b04e2fbc3aeb710", kill_on_drop: false }`
[INFO] [stdout] 31f3814847007ba9f0a412412e6b8d834474460b52df4d4f2b04e2fbc3aeb710