[INFO] cloning repository https://github.com/michaelfairley/adventofcode2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelfairley/adventofcode2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelfairley%2Fadventofcode2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelfairley%2Fadventofcode2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 965b548a49b848ce4e60f3e53924a6910505411d
[INFO] testing michaelfairley/adventofcode2016 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelfairley%2Fadventofcode2016" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelfairley/adventofcode2016 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelfairley/adventofcode2016
[INFO] finished tweaking git repo https://github.com/michaelfairley/adventofcode2016
[INFO] tweaked toml for git repo https://github.com/michaelfairley/adventofcode2016 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelfairley/adventofcode2016 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded rustc-serialize v0.3.21
[INFO] [stderr]   Downloaded gcc v0.3.39
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[INFO] [stderr]   Downloaded time v0.1.35
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded libc v0.2.18
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59baebae382a17271d9d5979ec2ce96054250d545a8a6a2eb6ffc9f43618b7f3
[INFO] running `Command { std: "docker" "start" "-a" "59baebae382a17271d9d5979ec2ce96054250d545a8a6a2eb6ffc9f43618b7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59baebae382a17271d9d5979ec2ce96054250d545a8a6a2eb6ffc9f43618b7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59baebae382a17271d9d5979ec2ce96054250d545a8a6a2eb6ffc9f43618b7f3", kill_on_drop: false }`
[INFO] [stdout] 59baebae382a17271d9d5979ec2ce96054250d545a8a6a2eb6ffc9f43618b7f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b204d4f15354aedae3ba1f4e804eabef7c382ee80a323299f9c49de83695305
[INFO] running `Command { std: "docker" "start" "-a" "7b204d4f15354aedae3ba1f4e804eabef7c382ee80a323299f9c49de83695305", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling adventofcode2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]  --> src/bin/20.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{min,max};
[INFO] [stdout]   |                ^^^ ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/bin/20.rs:965:5
[INFO] [stdout]     |
[INFO] [stdout] 965 |     (lower..upper)
[INFO] [stdout]     |     ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 965 -     (lower..upper)
[INFO] [stdout] 965 +     lower..upper
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `CIRCLE_SIZE` is defined multiple times
[INFO] [stdout]  --> src/bin/19b.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const CIRCLE_SIZE: usize = 3001330;
[INFO] [stdout]   | ----------------------------------- previous definition of the value `CIRCLE_SIZE` here
[INFO] [stdout] 4 | const CIRCLE_SIZE: usize = 5;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CIRCLE_SIZE` redefined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CIRCLE_SIZE` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/9b.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 |   };
[INFO] [stdout]    |    ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode2016` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/bin/20b.rs:957:5
[INFO] [stdout]     |
[INFO] [stdout] 957 |     (lower..upper)
[INFO] [stdout]     |     ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 957 -     (lower..upper)
[INFO] [stdout] 957 +     lower..upper
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7b204d4f15354aedae3ba1f4e804eabef7c382ee80a323299f9c49de83695305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b204d4f15354aedae3ba1f4e804eabef7c382ee80a323299f9c49de83695305", kill_on_drop: false }`
[INFO] [stdout] 7b204d4f15354aedae3ba1f4e804eabef7c382ee80a323299f9c49de83695305