[INFO] fetching crate mc-build-rs 0.1.0... [INFO] checking mc-build-rs-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate mc-build-rs 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate mc-build-rs 0.1.0 [INFO] finished tweaking crates.io crate mc-build-rs 0.1.0 [INFO] tweaked toml for crates.io crate mc-build-rs 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mc-build-rs 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 80 packages to latest compatible versions [INFO] [stderr] Adding mockall v0.11.4 (available: v0.13.1) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 045ea97529b0431e936ee61a8e1efa92fab3cedb0a35fe5f5bfa304cbd907d20 [INFO] running `Command { std: "docker" "start" "-a" "045ea97529b0431e936ee61a8e1efa92fab3cedb0a35fe5f5bfa304cbd907d20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "045ea97529b0431e936ee61a8e1efa92fab3cedb0a35fe5f5bfa304cbd907d20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "045ea97529b0431e936ee61a8e1efa92fab3cedb0a35fe5f5bfa304cbd907d20", kill_on_drop: false }` [INFO] [stdout] 045ea97529b0431e936ee61a8e1efa92fab3cedb0a35fe5f5bfa304cbd907d20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ab385f24d4bb574a3109f17d578ef7b9e3cc53c0bf48e328e7d0e2194c4af3b3 [INFO] running `Command { std: "docker" "start" "-a" "ab385f24d4bb574a3109f17d578ef7b9e3cc53c0bf48e328e7d0e2194c4af3b3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Checking regex-syntax v0.8.8 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Checking predicates-core v1.0.9 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking form_urlencoded v1.2.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking termtree v0.5.1 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking cargo-emit v0.2.1 [INFO] [stderr] Checking fragile v2.0.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking downcast v0.11.0 [INFO] [stderr] Checking predicates-tree v1.0.12 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking temp-env v0.3.6 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking fluent-asserter v0.1.9 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking predicates v2.1.5 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling mockall_derive v0.11.4 [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 mockall_double v0.3.1 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.1 [INFO] [stderr] Checking zerovec v0.11.5 [INFO] [stderr] Checking zerotrie v0.2.3 [INFO] [stderr] Checking tinystr v0.8.2 [INFO] [stderr] Checking potential_utf v0.1.4 [INFO] [stderr] Checking icu_collections v2.1.1 [INFO] [stderr] Checking icu_locale_core v2.1.1 [INFO] [stderr] Checking mockall v0.11.4 [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 serde v1.0.228 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking url v2.5.7 [INFO] [stderr] Checking mc-build-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/env.rs:432:21 [INFO] [stdout] | [INFO] [stdout] 432 | pub fn features(&self) -> HashSetIter { [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] 432 | pub fn features(&self) -> HashSetIter<'_, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/env.rs:446:20 [INFO] [stdout] | [INFO] [stdout] 446 | pub fn depvars(&self) -> HashMapIter { [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] 446 | pub fn depvars(&self) -> HashMapIter<'_, String, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cargo_build.rs:600:27 [INFO] [stdout] | [INFO] [stdout] 600 | .return_const(PathBuf::from_str(cargo_path).expect("Fail")); [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/env.rs:432:21 [INFO] [stdout] | [INFO] [stdout] 432 | pub fn features(&self) -> HashSetIter { [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] 432 | pub fn features(&self) -> HashSetIter<'_, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/env.rs:446:20 [INFO] [stdout] | [INFO] [stdout] 446 | pub fn depvars(&self) -> HashMapIter { [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] 446 | pub fn depvars(&self) -> HashMapIter<'_, String, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/env.rs:735:13 [INFO] [stdout] | [INFO] [stdout] 735 | PathBuf::from_str(expected_out_dir).expect("Fail") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/env.rs:741:13 [INFO] [stdout] | [INFO] [stdout] 741 | PathBuf::from_str(expected_cargo_path).expect("Fail") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/env.rs:761:13 [INFO] [stdout] | [INFO] [stdout] 761 | PathBuf::from_str(expected_target_dir).expect("Fail") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/env.rs:765:13 [INFO] [stdout] | [INFO] [stdout] 765 | PathBuf::from_str(expected_profile_dir).expect("Fail") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/env.rs:786:13 [INFO] [stdout] | [INFO] [stdout] 786 | PathBuf::from_str(expected_target_dir).expect("Fail") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/env.rs:790:13 [INFO] [stdout] | [INFO] [stdout] 790 | PathBuf::from_str(expected_profile_dir).expect("Fail") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/env.rs:811:13 [INFO] [stdout] | [INFO] [stdout] 811 | PathBuf::from_str(expected_target_dir).expect("Fail") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/env.rs:815:13 [INFO] [stdout] | [INFO] [stdout] 815 | PathBuf::from_str(expected_profile_dir).expect("Fail") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mc-build-rs` (lib test) due to 9 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ab385f24d4bb574a3109f17d578ef7b9e3cc53c0bf48e328e7d0e2194c4af3b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab385f24d4bb574a3109f17d578ef7b9e3cc53c0bf48e328e7d0e2194c4af3b3", kill_on_drop: false }` [INFO] [stdout] ab385f24d4bb574a3109f17d578ef7b9e3cc53c0bf48e328e7d0e2194c4af3b3