[INFO] cloning repository https://github.com/christian298/todo-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christian298/todo-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian298%2Ftodo-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian298%2Ftodo-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffa50ff025a4c6a9363a54d52ed367650be9a35b
[INFO] checking christian298/todo-cli against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian298%2Ftodo-cli" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/christian298/todo-cli
[INFO] finished tweaking git repo https://github.com/christian298/todo-cli
[INFO] tweaked toml for git repo https://github.com/christian298/todo-cli written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/christian298/todo-cli on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/christian298/todo-cli 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3c76384b0c9ca0011eb6f5483d5e4410a7ec1cbc623bfe0c5236d976c6d02e2
[INFO] running `Command { std: "docker" "start" "-a" "e3c76384b0c9ca0011eb6f5483d5e4410a7ec1cbc623bfe0c5236d976c6d02e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3c76384b0c9ca0011eb6f5483d5e4410a7ec1cbc623bfe0c5236d976c6d02e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c76384b0c9ca0011eb6f5483d5e4410a7ec1cbc623bfe0c5236d976c6d02e2", kill_on_drop: false }`
[INFO] [stdout] e3c76384b0c9ca0011eb6f5483d5e4410a7ec1cbc623bfe0c5236d976c6d02e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c02cce06ee2b997fc698d375869360fd54934be80ea60379024e334cd77b9def
[INFO] running `Command { std: "docker" "start" "-a" "c02cce06ee2b997fc698d375869360fd54934be80ea60379024e334cd77b9def", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking tui v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking todo-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     #[structopt(short = "a", long = "add", default_value = "")]
[INFO] [stdout] 23 | |     todo: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/ui.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |         Table::new(header.into_iter(), rows)
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 61 -         Table::new(header.into_iter(), rows)
[INFO] [stdout] 61 +         Table::new(header.iter(), rows)
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 61 -         Table::new(header.into_iter(), rows)
[INFO] [stdout] 61 +         Table::new(IntoIterator::into_iter(header), rows)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     #[structopt(short = "a", long = "add", default_value = "")]
[INFO] [stdout] 23 | |     todo: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/ui.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |         Table::new(header.into_iter(), rows)
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 61 -         Table::new(header.into_iter(), rows)
[INFO] [stdout] 61 +         Table::new(header.iter(), rows)
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 61 -         Table::new(header.into_iter(), rows)
[INFO] [stdout] 61 +         Table::new(IntoIterator::into_iter(header), rows)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `todo-cli` (bin "todo-cli") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `todo-cli` (bin "todo-cli" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c02cce06ee2b997fc698d375869360fd54934be80ea60379024e334cd77b9def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02cce06ee2b997fc698d375869360fd54934be80ea60379024e334cd77b9def", kill_on_drop: false }`
[INFO] [stdout] c02cce06ee2b997fc698d375869360fd54934be80ea60379024e334cd77b9def
