[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020/refs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-receive.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020/hooks/pre-receive.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/fsmonitor-watchman.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020/hooks/fsmonitor-watchman.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 10)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 11)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 12)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 13)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 14)
[INFO] cloning repository https://github.com/linnar/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c97a16346c4f9b24b962af3cf43c8604f1a3477
[INFO] checking linnar/aoc2020 against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/linnar/aoc2020 on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/linnar/aoc2020
[INFO] finished tweaking git repo https://github.com/linnar/aoc2020
[INFO] tweaked toml for git repo https://github.com/linnar/aoc2020 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/linnar/aoc2020 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d61047ba2246ece0d076275860701c759a41bc7addc347a483e04b40210688fc
[INFO] running `Command { std: "docker" "start" "-a" "d61047ba2246ece0d076275860701c759a41bc7addc347a483e04b40210688fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d61047ba2246ece0d076275860701c759a41bc7addc347a483e04b40210688fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61047ba2246ece0d076275860701c759a41bc7addc347a483e04b40210688fc", kill_on_drop: false }`
[INFO] [stdout] d61047ba2246ece0d076275860701c759a41bc7addc347a483e04b40210688fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 673e15c9bd0e55b0de5fee8cff46f64599a29e68ffe754086171fdef231cfb0a
[INFO] running `Command { std: "docker" "start" "-a" "673e15c9bd0e55b0de5fee8cff46f64599a29e68ffe754086171fdef231cfb0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking d13 v0.1.0 (/opt/rustwide/workdir/d13)
[INFO] [stderr]     Checking d04 v0.1.0 (/opt/rustwide/workdir/d04)
[INFO] [stderr]     Checking d12 v0.1.0 (/opt/rustwide/workdir/d12)
[INFO] [stderr]     Checking d21 v0.1.0 (/opt/rustwide/workdir/d21)
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking d06 v0.1.0 (/opt/rustwide/workdir/d06)
[INFO] [stderr]     Checking d08 v0.1.0 (/opt/rustwide/workdir/d08)
[INFO] [stderr]     Checking d17 v0.1.0 (/opt/rustwide/workdir/d17)
[INFO] [stderr]     Checking d10 v0.1.0 (/opt/rustwide/workdir/d10)
[INFO] [stderr]     Checking d19 v0.1.0 (/opt/rustwide/workdir/d19)
[INFO] [stderr]     Checking d09 v0.1.0 (/opt/rustwide/workdir/d09)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking d15 v0.1.0 (/opt/rustwide/workdir/d15)
[INFO] [stderr]     Checking d18 v0.1.0 (/opt/rustwide/workdir/d18)
[INFO] [stderr]     Checking d01 v0.1.0 (/opt/rustwide/workdir/d01)
[INFO] [stderr]     Checking d11 v0.1.0 (/opt/rustwide/workdir/d11)
[INFO] [stderr]     Checking d20 v0.1.0 (/opt/rustwide/workdir/d20)
[INFO] [stderr]     Checking d03 v0.1.0 (/opt/rustwide/workdir/d03)
[INFO] [stderr]     Checking d05 v0.1.0 (/opt/rustwide/workdir/d05)
[INFO] [stderr]     Checking d02 v0.1.0 (/opt/rustwide/workdir/d02)
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> d20/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Tile {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 6 |     id: i32,
[INFO] [stdout] 7 |     data: Vec<String>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> d20/src/main.rs:41:27
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let rev = edge.clone().chars().rev().collect::<String>();
[INFO] [stdout]    |                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> d20/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Tile {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 6 |     id: i32,
[INFO] [stdout] 7 |     data: Vec<String>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> d20/src/main.rs:41:27
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let rev = edge.clone().chars().rev().collect::<String>();
[INFO] [stdout]    |                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetatXQ3ck/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "673e15c9bd0e55b0de5fee8cff46f64599a29e68ffe754086171fdef231cfb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673e15c9bd0e55b0de5fee8cff46f64599a29e68ffe754086171fdef231cfb0a", kill_on_drop: false }`
[INFO] [stdout] 673e15c9bd0e55b0de5fee8cff46f64599a29e68ffe754086171fdef231cfb0a