[INFO] cloning repository https://github.com/ns476/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ns476/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns476%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns476%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fb08410382e2570f8059567bf87d751c68e2ff8
[INFO] checking ns476/aoc2020 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns476%2Faoc2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ns476/aoc2020 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ns476/aoc2020
[INFO] finished tweaking git repo https://github.com/ns476/aoc2020
[INFO] tweaked toml for git repo https://github.com/ns476/aoc2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ns476/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded futures-sink v0.3.8
[INFO] [stderr]   Downloaded futures v0.3.8
[INFO] [stderr]   Downloaded cached_proc_macro_types v0.1.0
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded bounded-vec-deque v0.1.1
[INFO] [stderr]   Downloaded darling_core v0.10.3
[INFO] [stderr]   Downloaded darling v0.10.3
[INFO] [stderr]   Downloaded async-trait v0.1.42
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded cached v0.22.0
[INFO] [stderr]   Downloaded futures-channel v0.3.8
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded darling_macro v0.10.3
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded pin-project v1.0.2
[INFO] [stderr]   Downloaded futures-util v0.3.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] [stderr]   Downloaded counter v0.5.2
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded cached_proc_macro v0.6.0
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] [stderr]   Downloaded futures-macro v0.3.8
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded futures-task v0.3.8
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06db31ede21d8a4f63e546c8a7f69e466b031010d53298769ee73131f999e6b6
[INFO] running `Command { std: "docker" "start" "-a" "06db31ede21d8a4f63e546c8a7f69e466b031010d53298769ee73131f999e6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06db31ede21d8a4f63e546c8a7f69e466b031010d53298769ee73131f999e6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06db31ede21d8a4f63e546c8a7f69e466b031010d53298769ee73131f999e6b6", kill_on_drop: false }`
[INFO] [stdout] 06db31ede21d8a4f63e546c8a7f69e466b031010d53298769ee73131f999e6b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41dffaa4dc2248102ec59505ee4f50a260ca601fb3ffb65b46db4a0d36b6a036
[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" "41dffaa4dc2248102ec59505ee4f50a260ca601fb3ffb65b46db4a0d36b6a036", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking bounded-vec-deque v0.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking counter v0.5.2
[INFO] [stderr]    Compiling darling_core v0.10.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling darling_macro v0.10.3
[INFO] [stderr]    Compiling darling v0.10.3
[INFO] [stderr]    Compiling cached_proc_macro v0.6.0
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking cached v0.22.0
[INFO] [stderr]     Checking aoc v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/sevenplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/six/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/one/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/nineplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/nine/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/seven/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/elevenplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/fiveplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/eleven/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/two/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/twoplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/twelveplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/twelve/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/oneplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/sixplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/fourplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/four/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/eight/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/eightplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/tenplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/threeplus/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/three/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/ten/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/five/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.07s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking aoc v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "41dffaa4dc2248102ec59505ee4f50a260ca601fb3ffb65b46db4a0d36b6a036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41dffaa4dc2248102ec59505ee4f50a260ca601fb3ffb65b46db4a0d36b6a036", kill_on_drop: false }`
[INFO] [stdout] 41dffaa4dc2248102ec59505ee4f50a260ca601fb3ffb65b46db4a0d36b6a036