[INFO] cloning repository https://github.com/KickedDroid/kronos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KickedDroid/kronos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKickedDroid%2Fkronos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKickedDroid%2Fkronos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8f5448e87885ffe9b816cadb53c72ecd16554b1
[INFO] checking KickedDroid/kronos 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%2FKickedDroid%2Fkronos" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KickedDroid/kronos
[INFO] finished tweaking git repo https://github.com/KickedDroid/kronos
[INFO] tweaked toml for git repo https://github.com/KickedDroid/kronos written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KickedDroid/kronos 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/KickedDroid/kronos 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4d6282b2c7df3582f32110e80f9a822207d38bde37ca41e4b5474969aae88a1d
[INFO] running `Command { std: "docker" "start" "-a" "4d6282b2c7df3582f32110e80f9a822207d38bde37ca41e4b5474969aae88a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d6282b2c7df3582f32110e80f9a822207d38bde37ca41e4b5474969aae88a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6282b2c7df3582f32110e80f9a822207d38bde37ca41e4b5474969aae88a1d", kill_on_drop: false }`
[INFO] [stdout] 4d6282b2c7df3582f32110e80f9a822207d38bde37ca41e4b5474969aae88a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d518abde2afe8e809e6743f5c67c051586ab2ab73f7e7c48f56e7fd6f9cfbbc4
[INFO] running `Command { std: "docker" "start" "-a" "d518abde2afe8e809e6743f5c67c051586ab2ab73f7e7c48f56e7fd6f9cfbbc4", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.20.1
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling cc v1.1.23
[INFO] [stderr]    Compiling wayland-sys v0.31.5
[INFO] [stderr]    Compiling wayland-client v0.31.6
[INFO] [stderr]    Compiling quick-xml v0.36.2
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking x11rb-protocol v0.13.1
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking ipnet v2.10.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_pipe v1.2.1
[INFO] [stderr]    Compiling wayland-scanner v0.31.5
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]    Compiling wayland-backend v0.3.7
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking tree_magic_mini v3.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking polling v3.7.3
[INFO] [stderr]     Checking tempfile v3.13.0
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking calloop v0.13.0
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking x11rb v0.13.1
[INFO] [stderr]     Checking wayland-csd-frame v0.3.0
[INFO] [stderr]     Checking x11-clipboard v0.9.2
[INFO] [stderr]     Checking wayland-protocols v0.32.4
[INFO] [stderr]     Checking calloop-wayland-source v0.3.0
[INFO] [stderr]     Checking wayland-cursor v0.31.6
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]     Checking wayland-protocols-wlr v0.3.4
[INFO] [stderr]     Checking hyper v0.14.30
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking smithay-client-toolkit v0.19.2
[INFO] [stderr]     Checking wl-clipboard-rs v0.9.1
[INFO] [stderr]     Checking smithay-clipboard v0.7.2
[INFO] [stderr]     Checking copypasta v0.10.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking kronos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `SessionType` is never used
[INFO] [stdout]   --> src/utils.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum SessionType {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `session_type` is never used
[INFO] [stdout]   --> src/utils.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn session_type() -> SessionType {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/utils.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub output: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/utils.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub name: PathBuf,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kronos` (bin "kronos") due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] warning: enum `SessionType` is never used
[INFO] [stdout]   --> src/utils.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum SessionType {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `session_type` is never used
[INFO] [stdout]   --> src/utils.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn session_type() -> SessionType {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/utils.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub output: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/utils.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub name: PathBuf,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kronos` (bin "kronos" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d518abde2afe8e809e6743f5c67c051586ab2ab73f7e7c48f56e7fd6f9cfbbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d518abde2afe8e809e6743f5c67c051586ab2ab73f7e7c48f56e7fd6f9cfbbc4", kill_on_drop: false }`
[INFO] [stdout] d518abde2afe8e809e6743f5c67c051586ab2ab73f7e7c48f56e7fd6f9cfbbc4