[INFO] fetching crate fenic 0.1.0... [INFO] checking fenic-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate fenic 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate fenic 0.1.0 [INFO] finished tweaking crates.io crate fenic 0.1.0 [INFO] tweaked toml for crates.io crate fenic 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fenic 0.1.0 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] Locking 54 packages to latest compatible versions [INFO] [stderr] Adding generator v0.7.5 (available: v0.8.7) [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-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] adba37dbd7d15ae3ab1575228913fdb37c8eaec19301ee355168c0d6be22d523 [INFO] running `Command { std: "docker" "start" "-a" "adba37dbd7d15ae3ab1575228913fdb37c8eaec19301ee355168c0d6be22d523", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "adba37dbd7d15ae3ab1575228913fdb37c8eaec19301ee355168c0d6be22d523", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adba37dbd7d15ae3ab1575228913fdb37c8eaec19301ee355168c0d6be22d523", kill_on_drop: false }` [INFO] [stdout] adba37dbd7d15ae3ab1575228913fdb37c8eaec19301ee355168c0d6be22d523 [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] 3c8c8a95ee9f0ed9641c7e74c90fce3b3397923f23c776e3294dc1502dd1d177 [INFO] running `Command { std: "docker" "start" "-a" "3c8c8a95ee9f0ed9641c7e74c90fce3b3397923f23c776e3294dc1502dd1d177", kill_on_drop: false }` [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Compiling generator v0.7.5 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking matchers v0.2.0 [INFO] [stderr] Checking tracing-subscriber v0.3.20 [INFO] [stderr] Checking fenic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/rt/thread.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | Blocked(Location), [INFO] [stdout] | ------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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] 79 - Blocked(Location), [INFO] [stdout] 79 + Blocked(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/rt/object.rs:202:84 [INFO] [stdout] | [INFO] [stdout] 202 | pub(super) fn iter_mut<'a, O>(&'a mut self) -> impl DoubleEndedIterator [INFO] [stdout] | -- the lifetime is named here ^^^^^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 202 | pub(super) fn iter_mut<'a, O>(&'a mut self) -> impl DoubleEndedIterator [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/model.rs:113:22 [INFO] [stdout] | [INFO] [stdout] 113 | .map(|v| v.parse().expect("invalid value for `LOOM_CHECKPOINT_FILE`")) [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: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/thread.rs:283:51 [INFO] [stdout] | [INFO] [stdout] 283 | unsafe fn get(&'static self) -> Option> { [INFO] [stdout] | ------- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'static` [INFO] [stdout] | [INFO] [stdout] 283 | unsafe fn get(&'static self) -> Option> { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fenic` (lib) due to 1 previous error; 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/rt/thread.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | Blocked(Location), [INFO] [stdout] | ------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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] 79 - Blocked(Location), [INFO] [stdout] 79 + Blocked(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/rt/object.rs:202:84 [INFO] [stdout] | [INFO] [stdout] 202 | pub(super) fn iter_mut<'a, O>(&'a mut self) -> impl DoubleEndedIterator [INFO] [stdout] | -- the lifetime is named here ^^^^^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 202 | pub(super) fn iter_mut<'a, O>(&'a mut self) -> impl DoubleEndedIterator [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/model.rs:113:22 [INFO] [stdout] | [INFO] [stdout] 113 | .map(|v| v.parse().expect("invalid value for `LOOM_CHECKPOINT_FILE`")) [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: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/thread.rs:283:51 [INFO] [stdout] | [INFO] [stdout] 283 | unsafe fn get(&'static self) -> Option> { [INFO] [stdout] | ------- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'static` [INFO] [stdout] | [INFO] [stdout] 283 | unsafe fn get(&'static self) -> Option> { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fenic` (lib test) due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3c8c8a95ee9f0ed9641c7e74c90fce3b3397923f23c776e3294dc1502dd1d177", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c8c8a95ee9f0ed9641c7e74c90fce3b3397923f23c776e3294dc1502dd1d177", kill_on_drop: false }` [INFO] [stdout] 3c8c8a95ee9f0ed9641c7e74c90fce3b3397923f23c776e3294dc1502dd1d177