[INFO] cloning repository https://github.com/robinzigmond/Advent-of-Code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robinzigmond/Advent-of-Code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinzigmond%2FAdvent-of-Code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinzigmond%2FAdvent-of-Code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73f94f5cf8f761fa05e6308e725db9b50e12eadc
[INFO] testing robinzigmond/Advent-of-Code-2020 against 1.52.1 for beta-1.53-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinzigmond%2FAdvent-of-Code-2020" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robinzigmond/Advent-of-Code-2020 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robinzigmond/Advent-of-Code-2020
[INFO] finished tweaking git repo https://github.com/robinzigmond/Advent-of-Code-2020
[INFO] tweaked toml for git repo https://github.com/robinzigmond/Advent-of-Code-2020 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/robinzigmond/Advent-of-Code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ring-algorithm v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5367bf4a3326da1e0a8bdb8b1c9c169fa4504fbed74a293be6c8beeda650b637
[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" "5367bf4a3326da1e0a8bdb8b1c9c169fa4504fbed74a293be6c8beeda650b637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5367bf4a3326da1e0a8bdb8b1c9c169fa4504fbed74a293be6c8beeda650b637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5367bf4a3326da1e0a8bdb8b1c9c169fa4504fbed74a293be6c8beeda650b637", kill_on_drop: false }`
[INFO] [stdout] 5367bf4a3326da1e0a8bdb8b1c9c169fa4504fbed74a293be6c8beeda650b637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e75bda011d8cae71afe145298868d00e4dca95ce833c9d09689ac7fb8292649e
[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" "e75bda011d8cae71afe145298868d00e4dca95ce833c9d09689ac7fb8292649e", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling funty v1.0.1
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling ring-algorithm v0.2.2
[INFO] [stderr]    Compiling advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/solutions/day3.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |         c => panic!(format!("couldn't read character '{}'", c)),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 53 |         c => panic!("couldn't read character '{}'", c),
[INFO] [stdout]    |                    --                               --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/solutions/day4.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 panic!(format!("unknown password part: {}", s))
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 panic!("unknown password part: {}", s)
[INFO] [stdout]    |                       --                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.49s
[INFO] running `Command { std: "docker" "inspect" "e75bda011d8cae71afe145298868d00e4dca95ce833c9d09689ac7fb8292649e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75bda011d8cae71afe145298868d00e4dca95ce833c9d09689ac7fb8292649e", kill_on_drop: false }`
[INFO] [stdout] e75bda011d8cae71afe145298868d00e4dca95ce833c9d09689ac7fb8292649e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", 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] 525d06348dd0ecee9fa35c83e4c2befb5726589703f2fe2b62b5b193119aec77
[INFO] running `Command { std: "docker" "start" "-a" "525d06348dd0ecee9fa35c83e4c2befb5726589703f2fe2b62b5b193119aec77", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/solutions/day3.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |         c => panic!(format!("couldn't read character '{}'", c)),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 53 |         c => panic!("couldn't read character '{}'", c),
[INFO] [stdout]    |                    --                               --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/solutions/day4.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 panic!(format!("unknown password part: {}", s))
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 panic!("unknown password part: {}", s)
[INFO] [stdout]    |                       --                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "525d06348dd0ecee9fa35c83e4c2befb5726589703f2fe2b62b5b193119aec77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525d06348dd0ecee9fa35c83e4c2befb5726589703f2fe2b62b5b193119aec77", kill_on_drop: false }`
[INFO] [stdout] 525d06348dd0ecee9fa35c83e4c2befb5726589703f2fe2b62b5b193119aec77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f258e3dbc1b7edabb4362297c17980b2e24d37e39f4f0fe946eda5bbe1fff04
[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" "5f258e3dbc1b7edabb4362297c17980b2e24d37e39f4f0fe946eda5bbe1fff04", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/solutions/day3.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |         c => panic!(format!("couldn't read character '{}'", c)),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 53 |         c => panic!("couldn't read character '{}'", c),
[INFO] [stderr]    |                    --                               --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/solutions/day4.rs:61:24
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 panic!(format!("unknown password part: {}", s))
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 panic!("unknown password part: {}", s)
[INFO] [stderr]    |                       --                            --
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_2020-9e9bf6a841377851)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f258e3dbc1b7edabb4362297c17980b2e24d37e39f4f0fe946eda5bbe1fff04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f258e3dbc1b7edabb4362297c17980b2e24d37e39f4f0fe946eda5bbe1fff04", kill_on_drop: false }`
[INFO] [stdout] 5f258e3dbc1b7edabb4362297c17980b2e24d37e39f4f0fe946eda5bbe1fff04