[INFO] cloning repository https://github.com/efinauri/languria
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/efinauri/languria" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefinauri%2Flanguria", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefinauri%2Flanguria'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a51db8c62bcf472335372650d4ece6cf128a7b7
[INFO] checking efinauri/languria against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefinauri%2Flanguria" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/efinauri/languria on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/efinauri/languria
[INFO] finished tweaking git repo https://github.com/efinauri/languria
[INFO] tweaked toml for git repo https://github.com/efinauri/languria written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/efinauri/languria 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" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking efinauri/languria against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefinauri%2Flanguria" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/efinauri/languria on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/efinauri/languria
[INFO] finished tweaking git repo https://github.com/efinauri/languria
[INFO] tweaked toml for git repo https://github.com/efinauri/languria written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/efinauri/languria 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" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "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 backtrace-on-stack-overflow v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7ff6d84b6e60b8948361298a41a13b821c107002c485c479c77d2f80b64eaf3
[INFO] running `Command { std: "docker" "start" "-a" "f7ff6d84b6e60b8948361298a41a13b821c107002c485c479c77d2f80b64eaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7ff6d84b6e60b8948361298a41a13b821c107002c485c479c77d2f80b64eaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ff6d84b6e60b8948361298a41a13b821c107002c485c479c77d2f80b64eaf3", kill_on_drop: false }`
[INFO] [stdout] f7ff6d84b6e60b8948361298a41a13b821c107002c485c479c77d2f80b64eaf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0690d2f84009f4e342728bdb264bab1b31868dc8a155147eeb1278a9c620be1
[INFO] running `Command { std: "docker" "start" "-a" "e0690d2f84009f4e342728bdb264bab1b31868dc8a155147eeb1278a9c620be1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking rustyline v13.0.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.1
[INFO] [stderr]     Checking backtrace-on-stack-overflow v0.3.0
[INFO] [stderr]     Checking languria v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:57:41
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn peek(&'a self, amount: usize) -> &I {
[INFO] [stdout]    |                                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:60:46
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn peek_back(&'a self, amount: usize) -> &I {
[INFO] [stdout]    |                                              ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:63:31
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn read_prev(&'a self) -> &I {
[INFO] [stdout]    |                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:66:31
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn read_curr(&'a self) -> &I {
[INFO] [stdout]    |                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:69:31
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn read_next(&'a self) -> &I {
[INFO] [stdout]    |                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn consume(&'a mut self) -> &I {
[INFO] [stdout]    |                                 ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:82:42
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn try_read_curr(&'a self) -> Option<&I> {
[INFO] [stdout]    |                                          ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:57:41
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn peek(&'a self, amount: usize) -> &I {
[INFO] [stdout]    |                                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:60:46
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn peek_back(&'a self, amount: usize) -> &I {
[INFO] [stdout]    |                                              ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:63:31
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn read_prev(&'a self) -> &I {
[INFO] [stdout]    |                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:66:31
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn read_curr(&'a self) -> &I {
[INFO] [stdout]    |                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:69:31
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn read_next(&'a self) -> &I {
[INFO] [stdout]    |                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn consume(&'a mut self) -> &I {
[INFO] [stdout]    |                                 ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:82:42
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait WalksCollection<'a, V: 'a, I: 'a>
[INFO] [stdout]    |                           -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn try_read_curr(&'a self) -> Option<&I> {
[INFO] [stdout]    |                                          ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "e0690d2f84009f4e342728bdb264bab1b31868dc8a155147eeb1278a9c620be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0690d2f84009f4e342728bdb264bab1b31868dc8a155147eeb1278a9c620be1", kill_on_drop: false }`
[INFO] [stdout] e0690d2f84009f4e342728bdb264bab1b31868dc8a155147eeb1278a9c620be1