[INFO] cloning repository https://github.com/danielchc/papo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielchc/papo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielchc%2Fpapo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielchc%2Fpapo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74f818081101beebcfb99255bbd01e645ad225b1
[INFO] checking danielchc/papo 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%2Fdanielchc%2Fpapo" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/danielchc/papo
[INFO] finished tweaking git repo https://github.com/danielchc/papo
[INFO] tweaked toml for git repo https://github.com/danielchc/papo written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danielchc/papo 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 198 packages to latest compatible versions
[INFO] [stderr]       Adding bollard v0.12.0 (available: v0.19.4)
[INFO] [stderr]       Adding bollard-stubs v1.42.0-rc.0 (available: v1.42.0-rc.8)
[INFO] [stderr]       Adding clap v3.2.25 (available: v4.5.51)
[INFO] [stderr]       Adding termion v1.5.6 (available: v4.0.5)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2ce72d04f013d40908d043cdc8f44c8117e5018c4ea3539102e5c654b72d0da2
[INFO] running `Command { std: "docker" "start" "-a" "2ce72d04f013d40908d043cdc8f44c8117e5018c4ea3539102e5c654b72d0da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce72d04f013d40908d043cdc8f44c8117e5018c4ea3539102e5c654b72d0da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce72d04f013d40908d043cdc8f44c8117e5018c4ea3539102e5c654b72d0da2", kill_on_drop: false }`
[INFO] [stdout] 2ce72d04f013d40908d043cdc8f44c8117e5018c4ea3539102e5c654b72d0da2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2dcd390c17f6c54f5351e0b856822241d26d90bddb70460ec6e9795679772716
[INFO] running `Command { std: "docker" "start" "-a" "2dcd390c17f6c54f5351e0b856822241d26d90bddb70460ec6e9795679772716", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking thread_local v1.1.9
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[INFO] [stderr]     Checking os_str_bytes v6.6.1
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[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking tracing-futures v0.2.5
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[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking bollard-stubs v1.42.0-rc.0
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking hyperlocal v0.8.0
[INFO] [stderr]     Checking bollard v0.12.0
[INFO] [stderr]     Checking papo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/modules/start.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::time::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/modules/start.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::time::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             start_pod(_t).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let _ = start_pod(_t).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub image: 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: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             start_pod(_t).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let _ = start_pod(_t).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub image: String
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `papo` (bin "papo" test) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `papo` (bin "papo") due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2dcd390c17f6c54f5351e0b856822241d26d90bddb70460ec6e9795679772716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dcd390c17f6c54f5351e0b856822241d26d90bddb70460ec6e9795679772716", kill_on_drop: false }`
[INFO] [stdout] 2dcd390c17f6c54f5351e0b856822241d26d90bddb70460ec6e9795679772716
