[INFO] fetching crate condow_core 0.19.0-alpha.3...
[INFO] checking condow_core-0.19.0-alpha.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate condow_core 0.19.0-alpha.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate condow_core 0.19.0-alpha.3
[INFO] finished tweaking crates.io crate condow_core 0.19.0-alpha.3
[INFO] tweaked toml for crates.io crate condow_core 0.19.0-alpha.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate condow_core 0.19.0-alpha.3 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 crates.io crate condow_core 0.19.0-alpha.3 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e1b4196700314b1d68841d95e7063a56bd407bacda764c8484ceb9c13224bb70
[INFO] running `Command { std: "docker" "start" "-a" "e1b4196700314b1d68841d95e7063a56bd407bacda764c8484ceb9c13224bb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b4196700314b1d68841d95e7063a56bd407bacda764c8484ceb9c13224bb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b4196700314b1d68841d95e7063a56bd407bacda764c8484ceb9c13224bb70", kill_on_drop: false }`
[INFO] [stdout] e1b4196700314b1d68841d95e7063a56bd407bacda764c8484ceb9c13224bb70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0168a1465ebd80b246cca8a576db6d8770547d8253f28aea84cce13d67630afa
[INFO] running `Command { std: "docker" "start" "-a" "0168a1465ebd80b246cca8a576db6d8770547d8253f28aea84cce13d67630afa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking tracing-flame v0.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking condow_core v0.19.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<IgnoreLocation, Infallible>
[INFO] [stdout]   --> src/condow_client.rs:67:53
[INFO] [stdout]    |
[INFO] [stdout] 67 |       fn from_str(_: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 68 | |         Ok(IgnoreLocation)
[INFO] [stdout] 69 | |     }
[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: Result<IgnoreLocation, Infallible>
[INFO] [stdout]   --> src/condow_client.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Ok(IgnoreLocation)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `condow_core` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<condow_client::IgnoreLocation, Infallible>
[INFO] [stdout]   --> src/condow_client.rs:67:53
[INFO] [stdout]    |
[INFO] [stdout] 67 |       fn from_str(_: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 68 | |         Ok(IgnoreLocation)
[INFO] [stdout] 69 | |     }
[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: Result<condow_client::IgnoreLocation, Infallible>
[INFO] [stdout]   --> src/condow_client.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Ok(IgnoreLocation)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/test_utils.rs:541:17
[INFO] [stdout]     |
[INFO] [stdout] 541 |     fn get_size(&self, _location: IgnoreLocation) -> BoxFuture<Result<u64, CondowError>> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same 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] 541 |     fn get_size(&self, _location: IgnoreLocation) -> BoxFuture<'_, Result<u64, CondowError>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `condow_core` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0168a1465ebd80b246cca8a576db6d8770547d8253f28aea84cce13d67630afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0168a1465ebd80b246cca8a576db6d8770547d8253f28aea84cce13d67630afa", kill_on_drop: false }`
[INFO] [stdout] 0168a1465ebd80b246cca8a576db6d8770547d8253f28aea84cce13d67630afa
