[INFO] cloning repository https://github.com/IreneKnapp/2020-advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IreneKnapp/2020-advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2020-advent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2020-advent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e80f27c8e64891a488e8563f993e4642898e10e
[INFO] checking IreneKnapp/2020-advent-of-code against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2020-advent-of-code" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IreneKnapp/2020-advent-of-code on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IreneKnapp/2020-advent-of-code
[INFO] finished tweaking git repo https://github.com/IreneKnapp/2020-advent-of-code
[INFO] tweaked toml for git repo https://github.com/IreneKnapp/2020-advent-of-code written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/IreneKnapp/2020-advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9457330a7ac8701850c716922ee6d1c9415a4286ddf762520c6be70139d1175
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9457330a7ac8701850c716922ee6d1c9415a4286ddf762520c6be70139d1175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9457330a7ac8701850c716922ee6d1c9415a4286ddf762520c6be70139d1175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9457330a7ac8701850c716922ee6d1c9415a4286ddf762520c6be70139d1175", kill_on_drop: false }`
[INFO] [stdout] f9457330a7ac8701850c716922ee6d1c9415a4286ddf762520c6be70139d1175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b053633bc6393e554579b695d3b74405f15511b57159947132b5a75456819278
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b053633bc6393e554579b695d3b74405f15511b57159947132b5a75456819278", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking ascii-canvas v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking lalrpop-util v0.19.1
[INFO] [stderr]     Checking advent_lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]     Checking advent_07 v0.1.0 (/opt/rustwide/workdir/07)
[INFO] [stderr]     Checking advent_21 v0.1.0 (/opt/rustwide/workdir/21)
[INFO] [stderr]     Checking advent_02 v0.1.0 (/opt/rustwide/workdir/02)
[INFO] [stderr]     Checking advent_19 v0.1.0 (/opt/rustwide/workdir/19)
[INFO] [stderr]     Checking advent_03 v0.1.0 (/opt/rustwide/workdir/03)
[INFO] [stderr]     Checking advent_25 v0.1.0 (/opt/rustwide/workdir/25)
[INFO] [stderr]     Checking advent_06 v0.1.0 (/opt/rustwide/workdir/06)
[INFO] [stderr]     Checking advent_01 v0.1.0 (/opt/rustwide/workdir/01)
[INFO] [stderr]     Checking advent_22 v0.1.0 (/opt/rustwide/workdir/22)
[INFO] [stderr]     Checking advent_13 v0.1.0 (/opt/rustwide/workdir/13)
[INFO] [stderr]     Checking advent_08 v0.1.0 (/opt/rustwide/workdir/08)
[INFO] [stderr]     Checking advent_11 v0.1.0 (/opt/rustwide/workdir/11)
[INFO] [stderr]     Checking advent_17 v0.1.0 (/opt/rustwide/workdir/17)
[INFO] [stderr]     Checking advent_04 v0.1.0 (/opt/rustwide/workdir/04)
[INFO] [stderr]     Checking advent_09 v0.1.0 (/opt/rustwide/workdir/09)
[INFO] [stderr]     Checking advent_15 v0.1.0 (/opt/rustwide/workdir/15)
[INFO] [stderr]     Checking advent_16 v0.1.0 (/opt/rustwide/workdir/16)
[INFO] [stderr]     Checking advent_14 v0.1.0 (/opt/rustwide/workdir/14)
[INFO] [stderr]     Checking advent_20 v0.1.0 (/opt/rustwide/workdir/20)
[INFO] [stderr]     Checking advent_24 v0.1.0 (/opt/rustwide/workdir/24)
[INFO] [stderr]     Checking advent_10 v0.1.0 (/opt/rustwide/workdir/10)
[INFO] [stderr]     Checking advent_23 v0.1.0 (/opt/rustwide/workdir/23)
[INFO] [stderr]     Checking advent_12 v0.1.0 (/opt/rustwide/workdir/12)
[INFO] [stderr]     Checking advent_05 v0.1.0 (/opt/rustwide/workdir/05)
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking lalrpop v0.19.1
[INFO] [stderr]     Checking escargot v0.3.1
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]    Compiling advent_18 v0.1.0 (/opt/rustwide/workdir/18)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `Command { std: "docker" "inspect" "b053633bc6393e554579b695d3b74405f15511b57159947132b5a75456819278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b053633bc6393e554579b695d3b74405f15511b57159947132b5a75456819278", kill_on_drop: false }`
[INFO] [stdout] b053633bc6393e554579b695d3b74405f15511b57159947132b5a75456819278