[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#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2020-advent-of-code" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IreneKnapp/2020-advent-of-code on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-5-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v1.0.5
[INFO] [stderr]   Downloaded string_cache v0.8.1
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded ascii-canvas v2.0.0
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded siphasher v0.3.3
[INFO] [stderr]   Downloaded lalrpop-util v0.19.1
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded lalrpop v0.19.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c818388ed8258cc222c340bb504559542e15cdef3fdbd98ac60442983351073e
[INFO] running `Command { std: "docker" "start" "-a" "c818388ed8258cc222c340bb504559542e15cdef3fdbd98ac60442983351073e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c818388ed8258cc222c340bb504559542e15cdef3fdbd98ac60442983351073e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c818388ed8258cc222c340bb504559542e15cdef3fdbd98ac60442983351073e", kill_on_drop: false }`
[INFO] [stdout] c818388ed8258cc222c340bb504559542e15cdef3fdbd98ac60442983351073e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bce9c4836e69f41dd6327ae680563253af9bbe738db70f5db25ab3326197535
[INFO] running `Command { std: "docker" "start" "-a" "4bce9c4836e69f41dd6327ae680563253af9bbe738db70f5db25ab3326197535", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]     Checking lalrpop-util v0.19.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]     Checking advent_lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking advent_04 v0.1.0 (/opt/rustwide/workdir/04)
[INFO] [stderr]     Checking advent_17 v0.1.0 (/opt/rustwide/workdir/17)
[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]     Checking advent_02 v0.1.0 (/opt/rustwide/workdir/02)
[INFO] [stderr]     Checking advent_16 v0.1.0 (/opt/rustwide/workdir/16)
[INFO] [stderr]     Checking advent_08 v0.1.0 (/opt/rustwide/workdir/08)
[INFO] [stderr]     Checking advent_10 v0.1.0 (/opt/rustwide/workdir/10)
[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_20 v0.1.0 (/opt/rustwide/workdir/20)
[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_14 v0.1.0 (/opt/rustwide/workdir/14)
[INFO] [stderr]     Checking advent_24 v0.1.0 (/opt/rustwide/workdir/24)
[INFO] [stderr]     Checking advent_25 v0.1.0 (/opt/rustwide/workdir/25)
[INFO] [stderr]     Checking advent_15 v0.1.0 (/opt/rustwide/workdir/15)
[INFO] [stderr]     Checking advent_09 v0.1.0 (/opt/rustwide/workdir/09)
[INFO] [stderr]     Checking advent_06 v0.1.0 (/opt/rustwide/workdir/06)
[INFO] [stderr]     Checking advent_13 v0.1.0 (/opt/rustwide/workdir/13)
[INFO] [stderr]     Checking advent_23 v0.1.0 (/opt/rustwide/workdir/23)
[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_11 v0.1.0 (/opt/rustwide/workdir/11)
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking lalrpop v0.19.1
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]    Compiling advent_18 v0.1.0 (/opt/rustwide/workdir/18)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4bce9c4836e69f41dd6327ae680563253af9bbe738db70f5db25ab3326197535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bce9c4836e69f41dd6327ae680563253af9bbe738db70f5db25ab3326197535", kill_on_drop: false }`
[INFO] [stdout] 4bce9c4836e69f41dd6327ae680563253af9bbe738db70f5db25ab3326197535