[INFO] cloning repository https://github.com/foo-dogsquared/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foo-dogsquared/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/foo-dogsquared/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foo-dogsquared/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/foo-dogsquared/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foo-dogsquared/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019'...
[INFO] [stderr] error: failed to write new configuration file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/foo-dogsquared/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foo-dogsquared/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3db882b283f3d0cd022c3492fb18cf7f8b341a72
[INFO] building foo-dogsquared/advent-of-code-2019 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foo-dogsquared/advent-of-code-2019 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/foo-dogsquared/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/foo-dogsquared/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/foo-dogsquared/advent-of-code-2019 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/foo-dogsquared/advent-of-code-2019 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01a6c2845754b402c6df9f8bf71635f048ef27667516f0f2e1f586b6cd80f3ff
[INFO] running `Command { std: "docker" "start" "-a" "01a6c2845754b402c6df9f8bf71635f048ef27667516f0f2e1f586b6cd80f3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01a6c2845754b402c6df9f8bf71635f048ef27667516f0f2e1f586b6cd80f3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a6c2845754b402c6df9f8bf71635f048ef27667516f0f2e1f586b6cd80f3ff", kill_on_drop: false }`
[INFO] [stdout] 01a6c2845754b402c6df9f8bf71635f048ef27667516f0f2e1f586b6cd80f3ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a092775002ec8d35cc0c3be1226ca6040f5d4993689de7cbdeaa93cc05813d43
[INFO] running `Command { std: "docker" "start" "-a" "a092775002ec8d35cc0c3be1226ca6040f5d4993689de7cbdeaa93cc05813d43", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day1/part1.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day1/part2.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/day2/part1.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Some(v) => Ok(()), 
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "a092775002ec8d35cc0c3be1226ca6040f5d4993689de7cbdeaa93cc05813d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a092775002ec8d35cc0c3be1226ca6040f5d4993689de7cbdeaa93cc05813d43", kill_on_drop: false }`
[INFO] [stdout] a092775002ec8d35cc0c3be1226ca6040f5d4993689de7cbdeaa93cc05813d43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f0d648b3888f35644d0791c343bba566c0e726175536dd9a260f05bce664674
[INFO] running `Command { std: "docker" "start" "-a" "3f0d648b3888f35644d0791c343bba566c0e726175536dd9a260f05bce664674", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day1/part1.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day1/part2.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/day2/part1.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Some(v) => Ok(()), 
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "3f0d648b3888f35644d0791c343bba566c0e726175536dd9a260f05bce664674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f0d648b3888f35644d0791c343bba566c0e726175536dd9a260f05bce664674", kill_on_drop: false }`
[INFO] [stdout] 3f0d648b3888f35644d0791c343bba566c0e726175536dd9a260f05bce664674