[INFO] cloning repository https://github.com/jacobian/advent2018-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobian/advent2018-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobian%2Fadvent2018-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobian%2Fadvent2018-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a73e1a877da7de2158c97e48494fd7515b4bad5
[INFO] checking jacobian/advent2018-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobian%2Fadvent2018-rust" "/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/jacobian/advent2018-rust 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/jacobian/advent2018-rust
[INFO] finished tweaking git repo https://github.com/jacobian/advent2018-rust
[INFO] tweaked toml for git repo https://github.com/jacobian/advent2018-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jacobian/advent2018-rust 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 lazy_static v1.2.0
[INFO] [stderr]   Downloaded memchr v2.1.2
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded regex v1.1.0
[INFO] [stderr]   Downloaded libc v0.2.46
[INFO] [stderr]   Downloaded regex-syntax v0.6.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c88b2aefb248358c1dc244da1d3672ff9474282362551bf5d82799d0661547a2
[INFO] running `Command { std: "docker" "start" "-a" "c88b2aefb248358c1dc244da1d3672ff9474282362551bf5d82799d0661547a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c88b2aefb248358c1dc244da1d3672ff9474282362551bf5d82799d0661547a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88b2aefb248358c1dc244da1d3672ff9474282362551bf5d82799d0661547a2", kill_on_drop: false }`
[INFO] [stdout] c88b2aefb248358c1dc244da1d3672ff9474282362551bf5d82799d0661547a2
[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=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] e9b22434afcc02934c39f2f60db209077fbac46a22959f76b00debac2e5a62d8
[INFO] running `Command { std: "docker" "start" "-a" "e9b22434afcc02934c39f2f60db209077fbac46a22959f76b00debac2e5a62d8", kill_on_drop: false }`
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking advent1_2 v0.1.0 (/opt/rustwide/workdir/advent1_2)
[INFO] [stderr]     Checking advent2_1 v0.1.0 (/opt/rustwide/workdir/advent2_1)
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> advent2_1/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent2_1/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking advent1_1 v0.1.0 (/opt/rustwide/workdir/advent1_1)
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent1_2/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent1_1/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking advent2_2 v0.1.0 (/opt/rustwide/workdir/advent2_2)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking advent5_1 v0.1.0 (/opt/rustwide/workdir/advent5_1)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> advent2_2/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent5_1/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent2_2/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent1_1/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> advent2_2/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent1_2/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent2_2/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> advent2_1/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent2_1/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent5_1/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking advent4_1 v0.1.0 (/opt/rustwide/workdir/advent4_1)
[INFO] [stderr]     Checking advent3_1 v0.1.0 (/opt/rustwide/workdir/advent3_1)
[INFO] [stderr]     Checking advent3_2 v0.1.0 (/opt/rustwide/workdir/advent3_2)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> advent4_1/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent4_1/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> advent4_1/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent4_1/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> advent3_1/src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Claim {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 42 |     number: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Claim` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> advent3_1/src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Claim {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 42 |     number: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Claim` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `Command { std: "docker" "inspect" "e9b22434afcc02934c39f2f60db209077fbac46a22959f76b00debac2e5a62d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b22434afcc02934c39f2f60db209077fbac46a22959f76b00debac2e5a62d8", kill_on_drop: false }`
[INFO] [stdout] e9b22434afcc02934c39f2f60db209077fbac46a22959f76b00debac2e5a62d8
[INFO] checking jacobian/advent2018-rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobian%2Fadvent2018-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacobian/advent2018-rust on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jacobian/advent2018-rust
[INFO] finished tweaking git repo https://github.com/jacobian/advent2018-rust
[INFO] tweaked toml for git repo https://github.com/jacobian/advent2018-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jacobian/advent2018-rust 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57bcfc161fcc4b3f85437935f96da9572540bc97292f739c1bbc61ed518dcb2b
[INFO] running `Command { std: "docker" "start" "-a" "57bcfc161fcc4b3f85437935f96da9572540bc97292f739c1bbc61ed518dcb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57bcfc161fcc4b3f85437935f96da9572540bc97292f739c1bbc61ed518dcb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bcfc161fcc4b3f85437935f96da9572540bc97292f739c1bbc61ed518dcb2b", kill_on_drop: false }`
[INFO] [stdout] 57bcfc161fcc4b3f85437935f96da9572540bc97292f739c1bbc61ed518dcb2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6013cfe8e2086ae6a56fedb32f3f2c0f6e22c0a7c59e3b9c50ab7ffab2e01f6f
[INFO] running `Command { std: "docker" "start" "-a" "6013cfe8e2086ae6a56fedb32f3f2c0f6e22c0a7c59e3b9c50ab7ffab2e01f6f", kill_on_drop: false }`
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking advent1_1 v0.1.0 (/opt/rustwide/workdir/advent1_1)
[INFO] [stderr]     Checking advent5_1 v0.1.0 (/opt/rustwide/workdir/advent5_1)
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent5_1/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent1_1/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking advent2_2 v0.1.0 (/opt/rustwide/workdir/advent2_2)
[INFO] [stderr]     Checking advent1_2 v0.1.0 (/opt/rustwide/workdir/advent1_2)
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent1_1/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent1_2/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> advent2_2/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent2_2/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking advent2_1 v0.1.0 (/opt/rustwide/workdir/advent2_1)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent1_2/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> advent2_1/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent2_1/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent5_1/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> advent2_1/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent2_1/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> advent2_2/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent2_2/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking advent3_1 v0.1.0 (/opt/rustwide/workdir/advent3_1)
[INFO] [stderr]     Checking advent4_1 v0.1.0 (/opt/rustwide/workdir/advent4_1)
[INFO] [stderr]     Checking advent3_2 v0.1.0 (/opt/rustwide/workdir/advent3_2)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> advent4_1/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent4_1/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> advent3_1/src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Claim {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 42 |     number: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Claim` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> advent3_1/src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Claim {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 42 |     number: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Claim` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> advent4_1/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]  --> advent4_1/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use utils;
[INFO] [stdout]   |     ^^^^^ the item `utils` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `Command { std: "docker" "inspect" "6013cfe8e2086ae6a56fedb32f3f2c0f6e22c0a7c59e3b9c50ab7ffab2e01f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6013cfe8e2086ae6a56fedb32f3f2c0f6e22c0a7c59e3b9c50ab7ffab2e01f6f", kill_on_drop: false }`
[INFO] [stdout] 6013cfe8e2086ae6a56fedb32f3f2c0f6e22c0a7c59e3b9c50ab7ffab2e01f6f