[INFO] cloning repository https://github.com/stijnh/rust-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/stijnh/rust-advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstijnh%2Frust-advent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstijnh%2Frust-advent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8795c662b60ca01f5d615ea87d950260c42a800
[INFO] checking stijnh/rust-advent-of-code-2019 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstijnh%2Frust-advent-of-code-2019" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stijnh/rust-advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/stijnh/rust-advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/stijnh/rust-advent-of-code-2019 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stijnh/rust-advent-of-code-2019 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stijnh/rust-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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v1.1.4
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.8)
[INFO] [stderr]       Adding autocfg v1.5.1
[INFO] [stderr]       Adding binary-heap-plus v0.2.0 (available: v0.5.0)
[INFO] [stderr]       Adding cfg-if v1.0.4
[INFO] [stderr]       Adding chacha20 v0.10.1
[INFO] [stderr]       Adding compare v0.1.0
[INFO] [stderr]       Adding cpufeatures v0.3.0
[INFO] [stderr]       Adding defaultmap v0.5.0 (available: v0.7.0)
[INFO] [stderr]       Adding float-ord v0.2.0 (available: v0.3.2)
[INFO] [stderr]       Adding getrandom v0.4.3
[INFO] [stderr]       Adding libc v0.2.186
[INFO] [stderr]       Adding matrixmultiply v0.2.4
[INFO] [stderr]       Adding memchr v2.8.3
[INFO] [stderr]       Adding ndarray v0.14.0 (available: v0.17.2)
[INFO] [stderr]       Adding num-complex v0.3.1
[INFO] [stderr]       Adding num-integer v0.1.46
[INFO] [stderr]       Adding num-traits v0.2.19
[INFO] [stderr]       Adding proc-macro2 v1.0.106
[INFO] [stderr]       Adding quote v1.0.46
[INFO] [stderr]       Adding r-efi v6.0.0
[INFO] [stderr]       Adding rand v0.10.2
[INFO] [stderr]       Adding rand_core v0.10.1
[INFO] [stderr]       Adding rawpointer v0.2.1
[INFO] [stderr]       Adding regex v1.12.4
[INFO] [stderr]       Adding regex-automata v0.4.14
[INFO] [stderr]       Adding regex-syntax v0.8.11
[INFO] [stderr]       Adding syn v2.0.118
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding thiserror-impl v1.0.69
[INFO] [stderr]       Adding unicode-ident v1.0.24
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-ord v0.2.0
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded defaultmap v0.5.0
[INFO] [stderr]   Downloaded compare v0.1.0
[INFO] [stderr]   Downloaded binary-heap-plus v0.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.25
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f3ce8b64b08dab2a25e54e67ee92c7763f8bf38dfe5c48bfca903369f08b5d30
[INFO] running `Command { std: "docker" "start" "f3ce8b64b08dab2a25e54e67ee92c7763f8bf38dfe5c48bfca903369f08b5d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3ce8b64b08dab2a25e54e67ee92c7763f8bf38dfe5c48bfca903369f08b5d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f3ce8b64b08dab2a25e54e67ee92c7763f8bf38dfe5c48bfca903369f08b5d30" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3ce8b64b08dab2a25e54e67ee92c7763f8bf38dfe5c48bfca903369f08b5d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f3ce8b64b08dab2a25e54e67ee92c7763f8bf38dfe5c48bfca903369f08b5d30" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking rand_core v0.10.1
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling anyhow v1.0.25
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking chacha20 v0.10.1
[INFO] [stderr]     Checking compare v0.1.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking binary-heap-plus v0.2.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking defaultmap v0.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand v0.10.2
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking regex v1.12.4
[INFO] [stderr]     Checking advent2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/day17.rs:240:10
[INFO] [stdout]     |
[INFO] [stdout] 240 |         .intersperse(',');
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[INFO] [stdout]    --> src/main.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout]   4 + #![feature(iter_intersperse)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/day17.rs:240:10
[INFO] [stdout]     |
[INFO] [stdout] 240 |         .intersperse(',');
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[INFO] [stdout]    --> src/main.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout]   4 + #![feature(iter_intersperse)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.99s
[INFO] running `Command { std: "docker" "inspect" "f3ce8b64b08dab2a25e54e67ee92c7763f8bf38dfe5c48bfca903369f08b5d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3ce8b64b08dab2a25e54e67ee92c7763f8bf38dfe5c48bfca903369f08b5d30", kill_on_drop: false }`
[INFO] [stdout] f3ce8b64b08dab2a25e54e67ee92c7763f8bf38dfe5c48bfca903369f08b5d30
