[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] checking tehgeekmeister/boggler against master#7bdae134cba57426d3c56b5de737a351762445e1 for pr-123794
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehgeekmeister%2Fboggler" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tehgeekmeister/boggler on toolchain 7bdae134cba57426d3c56b5de737a351762445e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7bdae134cba57426d3c56b5de737a351762445e1" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7bdae134cba57426d3c56b5de737a351762445e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking tehgeekmeister/boggler against try#f0a46ffcb8bbd220fe569642e5e175207d8e3fea for pr-123794
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehgeekmeister%2Fboggler" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tehgeekmeister/boggler on toolchain f0a46ffcb8bbd220fe569642e5e175207d8e3fea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "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-2-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking tehgeekmeister/boggler against try#f0a46ffcb8bbd220fe569642e5e175207d8e3fea for pr-123794
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehgeekmeister%2Fboggler" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tehgeekmeister/boggler on toolchain f0a46ffcb8bbd220fe569642e5e175207d8e3fea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "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-2-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nibble_vec v0.0.3
[INFO] [stderr]   Downloaded petgraph v0.1.11
[INFO] [stderr]   Downloaded radix_trie v0.0.8
[INFO] [stderr]   Downloaded fixedbitset v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f220d65c87934e8822ed3d28e5ce86d6d9932ac963845d00551c48d4985daf84
[INFO] running `Command { std: "docker" "start" "-a" "f220d65c87934e8822ed3d28e5ce86d6d9932ac963845d00551c48d4985daf84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f220d65c87934e8822ed3d28e5ce86d6d9932ac963845d00551c48d4985daf84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f220d65c87934e8822ed3d28e5ce86d6d9932ac963845d00551c48d4985daf84", kill_on_drop: false }`
[INFO] [stdout] f220d65c87934e8822ed3d28e5ce86d6d9932ac963845d00551c48d4985daf84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67cc6cdcf99a1a0aaa3a7d96731c0fc321935b25eb9c34201c2617fde910d6ee
[INFO] running `Command { std: "docker" "start" "-a" "67cc6cdcf99a1a0aaa3a7d96731c0fc321935b25eb9c34201c2617fde910d6ee", kill_on_drop: false }`
[INFO] [stderr]     Checking fixedbitset v0.0.5
[INFO] [stderr]     Checking nibble_vec v0.0.3
[INFO] [stderr]     Checking petgraph v0.1.11
[INFO] [stderr]     Checking radix_trie v0.0.8
[INFO] [stderr]     Checking 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] 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]: lifetime parameter `'a` is never used
[INFO] [stdout]   --> src/main.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct PathComponent<'a> {
[INFO] [stdout]    |                      ^^ unused lifetime 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]: lifetime 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 lifetime 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]: lifetime parameter `'a` is never used
[INFO] [stdout]   --> src/main.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct PathComponent<'a> {
[INFO] [stdout]    |                      ^^ unused lifetime 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]: lifetime 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 lifetime 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] [stderr] error: could not compile `boggler` (bin "boggler" test) due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0392`.
[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` (bin "boggler") due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "67cc6cdcf99a1a0aaa3a7d96731c0fc321935b25eb9c34201c2617fde910d6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67cc6cdcf99a1a0aaa3a7d96731c0fc321935b25eb9c34201c2617fde910d6ee", kill_on_drop: false }`
[INFO] [stdout] 67cc6cdcf99a1a0aaa3a7d96731c0fc321935b25eb9c34201c2617fde910d6ee