[INFO] fetching crate tiro 0.3.7...
[INFO] checking tiro-0.3.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate tiro 0.3.7 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tiro 0.3.7
[INFO] finished tweaking crates.io crate tiro 0.3.7
[INFO] tweaked toml for crates.io crate tiro 0.3.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiro 0.3.7 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 tiro 0.3.7 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] 73680d3801cadaa7dcd68ad8ad45f12a83c43f94f9b97eff9564ea40fb5a0b01
[INFO] running `Command { std: "docker" "start" "-a" "73680d3801cadaa7dcd68ad8ad45f12a83c43f94f9b97eff9564ea40fb5a0b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73680d3801cadaa7dcd68ad8ad45f12a83c43f94f9b97eff9564ea40fb5a0b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73680d3801cadaa7dcd68ad8ad45f12a83c43f94f9b97eff9564ea40fb5a0b01", kill_on_drop: false }`
[INFO] [stdout] 73680d3801cadaa7dcd68ad8ad45f12a83c43f94f9b97eff9564ea40fb5a0b01
[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] 6e3a176d5289e7d96c1eea7281f6a1d0181a892a26537dd20217e77d032f0a06
[INFO] running `Command { std: "docker" "start" "-a" "6e3a176d5289e7d96c1eea7281f6a1d0181a892a26537dd20217e77d032f0a06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.18
[INFO] [stderr]    Compiling vergen v3.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]     Checking notify-rust v3.6.3
[INFO] [stderr]    Compiling tiro v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stdout] warning: field `global_quad` is never read
[INFO] [stdout]    --> src/config.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     RegularCategory {
[INFO] [stdout]     |     --------------- field in this variant
[INFO] [stdout] 135 |         description: &'a str,
[INFO] [stdout] 136 |         global_quad: Option<Quadrant>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]    --> src/parse.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct LifeChunk {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 128 |     pub description: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LifeChunk` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/config.rs:257:22
[INFO] [stdout]     |
[INFO] [stdout] 257 |             res.push(PathBuf::from_str(path).unwrap());
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parse.rs:244:26
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn parse_category(token: &str) -> Option<MetaCategory> {
[INFO] [stdout]     |                          ^^^^            ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided 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] 244 | fn parse_category(token: &str) -> Option<MetaCategory<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/summary.rs:125:42
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn compute_context_summary(contexts: &HashMap<String, Duration>) -> Vec<CategorySummary> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^         ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn compute_context_summary(contexts: &HashMap<String, Duration>) -> Vec<CategorySummary<'_>> {
[INFO] [stdout]     |                                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tiro` (bin "tiro") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `global_quad` is never read
[INFO] [stdout]    --> src/config.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     RegularCategory {
[INFO] [stdout]     |     --------------- field in this variant
[INFO] [stdout] 135 |         description: &'a str,
[INFO] [stdout] 136 |         global_quad: Option<Quadrant>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]    --> src/parse.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct LifeChunk {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 128 |     pub description: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LifeChunk` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/config.rs:257:22
[INFO] [stdout]     |
[INFO] [stdout] 257 |             res.push(PathBuf::from_str(path).unwrap());
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parse.rs:244:26
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn parse_category(token: &str) -> Option<MetaCategory> {
[INFO] [stdout]     |                          ^^^^            ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided 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] 244 | fn parse_category(token: &str) -> Option<MetaCategory<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/summary.rs:125:42
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn compute_context_summary(contexts: &HashMap<String, Duration>) -> Vec<CategorySummary> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^         ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn compute_context_summary(contexts: &HashMap<String, Duration>) -> Vec<CategorySummary<'_>> {
[INFO] [stdout]     |                                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tiro` (bin "tiro" test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6e3a176d5289e7d96c1eea7281f6a1d0181a892a26537dd20217e77d032f0a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3a176d5289e7d96c1eea7281f6a1d0181a892a26537dd20217e77d032f0a06", kill_on_drop: false }`
[INFO] [stdout] 6e3a176d5289e7d96c1eea7281f6a1d0181a892a26537dd20217e77d032f0a06
