[INFO] cloning repository https://github.com/midapsh/advent-of-code-2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/midapsh/advent-of-code-2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmidapsh%2Fadvent-of-code-2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmidapsh%2Fadvent-of-code-2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3766568fe9ea1f7c0c8346bdb88b8184dbc1d06
[INFO] checking midapsh/advent-of-code-2016 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmidapsh%2Fadvent-of-code-2016" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/midapsh/advent-of-code-2016 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/midapsh/advent-of-code-2016
[INFO] finished tweaking git repo https://github.com/midapsh/advent-of-code-2016
[INFO] tweaked toml for git repo https://github.com/midapsh/advent-of-code-2016 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/midapsh/advent-of-code-2016 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 516ca9fb0ff61e7e3e8466de62c1f6a33c936360006f1acf83a4b2bb85f68eba
[INFO] running `Command { std: "docker" "start" "-a" "516ca9fb0ff61e7e3e8466de62c1f6a33c936360006f1acf83a4b2bb85f68eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "516ca9fb0ff61e7e3e8466de62c1f6a33c936360006f1acf83a4b2bb85f68eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516ca9fb0ff61e7e3e8466de62c1f6a33c936360006f1acf83a4b2bb85f68eba", kill_on_drop: false }`
[INFO] [stdout] 516ca9fb0ff61e7e3e8466de62c1f6a33c936360006f1acf83a4b2bb85f68eba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 704e4e75638d29f15627837c941e5a1cfefe507e53bcd0d7400b130f9819e848
[INFO] running `Command { std: "docker" "start" "-a" "704e4e75638d29f15627837c941e5a1cfefe507e53bcd0d7400b130f9819e848", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking advent-of-code-2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "704e4e75638d29f15627837c941e5a1cfefe507e53bcd0d7400b130f9819e848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "704e4e75638d29f15627837c941e5a1cfefe507e53bcd0d7400b130f9819e848", kill_on_drop: false }`
[INFO] [stdout] 704e4e75638d29f15627837c941e5a1cfefe507e53bcd0d7400b130f9819e848
[INFO] checking midapsh/advent-of-code-2016 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmidapsh%2Fadvent-of-code-2016" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/midapsh/advent-of-code-2016 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/midapsh/advent-of-code-2016
[INFO] finished tweaking git repo https://github.com/midapsh/advent-of-code-2016
[INFO] tweaked toml for git repo https://github.com/midapsh/advent-of-code-2016 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/midapsh/advent-of-code-2016 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4d582bb8221bee864d1bd82105bc5a679f0ffec2c3cd0e024908e6c1749bf785
[INFO] running `Command { std: "docker" "start" "-a" "4d582bb8221bee864d1bd82105bc5a679f0ffec2c3cd0e024908e6c1749bf785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d582bb8221bee864d1bd82105bc5a679f0ffec2c3cd0e024908e6c1749bf785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d582bb8221bee864d1bd82105bc5a679f0ffec2c3cd0e024908e6c1749bf785", kill_on_drop: false }`
[INFO] [stdout] 4d582bb8221bee864d1bd82105bc5a679f0ffec2c3cd0e024908e6c1749bf785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a2d73d2d24dd4d1daa8d4438a5e3ae0d489879eebf959cecd57fa81b5fb17896
[INFO] running `Command { std: "docker" "start" "-a" "a2d73d2d24dd4d1daa8d4438a5e3ae0d489879eebf959cecd57fa81b5fb17896", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking advent-of-code-2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "a2d73d2d24dd4d1daa8d4438a5e3ae0d489879eebf959cecd57fa81b5fb17896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d73d2d24dd4d1daa8d4438a5e3ae0d489879eebf959cecd57fa81b5fb17896", kill_on_drop: false }`
[INFO] [stdout] a2d73d2d24dd4d1daa8d4438a5e3ae0d489879eebf959cecd57fa81b5fb17896