[INFO] cloning repository https://github.com/aneilmac/caos2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aneilmac/caos2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faneilmac%2Fcaos2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faneilmac%2Fcaos2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b84954d5edda47177c6b03530f0e4494630b30d4
[INFO] checking aneilmac/caos2 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%2Faneilmac%2Fcaos2" "/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/aneilmac/caos2
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/aneilmac/caos2
[INFO] tweaked toml for git repo https://github.com/aneilmac/caos2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aneilmac/caos2 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/aneilmac/caos2 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] 12f4ab486e5b84afd94ee3f242f712b1561580d984d6b0e0925f8dd986b959fb
[INFO] running `Command { std: "docker" "start" "-a" "12f4ab486e5b84afd94ee3f242f712b1561580d984d6b0e0925f8dd986b959fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f4ab486e5b84afd94ee3f242f712b1561580d984d6b0e0925f8dd986b959fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f4ab486e5b84afd94ee3f242f712b1561580d984d6b0e0925f8dd986b959fb", kill_on_drop: false }`
[INFO] [stdout] 12f4ab486e5b84afd94ee3f242f712b1561580d984d6b0e0925f8dd986b959fb
[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] 1f50111723b0b0c9ac46fc33b8db26c445ad1e448b0ef8b58b6a7e3642e761c6
[INFO] running `Command { std: "docker" "start" "-a" "1f50111723b0b0c9ac46fc33b8db26c445ad1e448b0ef8b58b6a7e3642e761c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling pest v2.7.4
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling caos-macros v0.1.0 (/opt/rustwide/workdir/caos-macros)
[INFO] [stderr]    Compiling pest_meta v2.7.4
[INFO] [stderr]    Compiling pest_generator v2.7.4
[INFO] [stderr]    Compiling pest_derive v2.7.4
[INFO] [stderr]     Checking caos2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/command_parser/command_thunk.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Completed(Pair<'i, Rule>, Command),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Completed(Pair<'i, Rule>, Command),
[INFO] [stdout] 12 +     Completed((), Command),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expression_parser/expression_thunk.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Completed(Pair<'i, Rule>, Anything),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Completed(Pair<'i, Rule>, Anything),
[INFO] [stdout] 10 +     Completed((), Anything),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]   --> src/ast/commands.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     MesgWritPlus {
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<anything::Anything, Infallible>
[INFO] [stdout]   --> src/ast/commands.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     MesgWritPlus {
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]   --> src/ast/commands.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     MesgWritPlus {
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]    --> src/ast/commands.rs:888:5
[INFO] [stdout]     |
[INFO] [stdout] 888 |     PrtSend {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<anything::Anything, Infallible>
[INFO] [stdout]    --> src/ast/commands.rs:888:5
[INFO] [stdout]     |
[INFO] [stdout] 888 |     PrtSend {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]    --> src/ast/integers.rs:450:5
[INFO] [stdout]     |
[INFO] [stdout] 450 |     Type { something: Box<Anything> },
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<anything::Anything, Infallible>
[INFO] [stdout]    --> src/ast/integers.rs:450:5
[INFO] [stdout]     |
[INFO] [stdout] 450 |     Type { something: Box<Anything> },
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]    --> src/ast/strings.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Caos {
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<anything::Anything, Infallible>
[INFO] [stdout]    --> src/ast/strings.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Caos {
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]    --> src/ast/strings.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Caos {
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/base.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn parse_string_raw(pair: Pair<Rule>) -> Result<&str, CaosError> {
[INFO] [stdout]    |                           ^^^^^^^^^^            ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn parse_string_raw(pair: Pair<'_, Rule>) -> Result<&str, CaosError> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `caos2` (lib) due to 10 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/command_parser/command_thunk.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Completed(Pair<'i, Rule>, Command),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Completed(Pair<'i, Rule>, Command),
[INFO] [stdout] 12 +     Completed((), Command),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expression_parser/expression_thunk.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Completed(Pair<'i, Rule>, Anything),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Completed(Pair<'i, Rule>, Anything),
[INFO] [stdout] 10 +     Completed((), Anything),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]   --> src/ast/commands.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     MesgWritPlus {
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<anything::Anything, Infallible>
[INFO] [stdout]   --> src/ast/commands.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     MesgWritPlus {
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]   --> src/ast/commands.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     MesgWritPlus {
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]    --> src/ast/commands.rs:888:5
[INFO] [stdout]     |
[INFO] [stdout] 888 |     PrtSend {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<anything::Anything, Infallible>
[INFO] [stdout]    --> src/ast/commands.rs:888:5
[INFO] [stdout]     |
[INFO] [stdout] 888 |     PrtSend {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]    --> src/ast/integers.rs:450:5
[INFO] [stdout]     |
[INFO] [stdout] 450 |     Type { something: Box<Anything> },
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<anything::Anything, Infallible>
[INFO] [stdout]    --> src/ast/integers.rs:450:5
[INFO] [stdout]     |
[INFO] [stdout] 450 |     Type { something: Box<Anything> },
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]    --> src/ast/strings.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Caos {
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<anything::Anything, Infallible>
[INFO] [stdout]    --> src/ast/strings.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Caos {
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, anything::Anything>
[INFO] [stdout]    --> src/ast/strings.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Caos {
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/base.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn parse_string_raw(pair: Pair<Rule>) -> Result<&str, CaosError> {
[INFO] [stdout]    |                           ^^^^^^^^^^            ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn parse_string_raw(pair: Pair<'_, Rule>) -> Result<&str, CaosError> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `caos2` (lib test) due to 10 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1f50111723b0b0c9ac46fc33b8db26c445ad1e448b0ef8b58b6a7e3642e761c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f50111723b0b0c9ac46fc33b8db26c445ad1e448b0ef8b58b6a7e3642e761c6", kill_on_drop: false }`
[INFO] [stdout] 1f50111723b0b0c9ac46fc33b8db26c445ad1e448b0ef8b58b6a7e3642e761c6
