[INFO] fetching crate fbas_analyzer 0.7.4... [INFO] checking fbas_analyzer-0.7.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate fbas_analyzer 0.7.4 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate fbas_analyzer 0.7.4 [INFO] finished tweaking crates.io crate fbas_analyzer 0.7.4 [INFO] tweaked toml for crates.io crate fbas_analyzer 0.7.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fbas_analyzer 0.7.4 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 fbas_analyzer 0.7.4 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] 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] faba8ff617a8a7ad59d1dbe94bc490a067c09e72148fd4530d5d1e51588b2a2d [INFO] running `Command { std: "docker" "start" "-a" "faba8ff617a8a7ad59d1dbe94bc490a067c09e72148fd4530d5d1e51588b2a2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "faba8ff617a8a7ad59d1dbe94bc490a067c09e72148fd4530d5d1e51588b2a2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faba8ff617a8a7ad59d1dbe94bc490a067c09e72148fd4530d5d1e51588b2a2d", kill_on_drop: false }` [INFO] [stdout] faba8ff617a8a7ad59d1dbe94bc490a067c09e72148fd4530d5d1e51588b2a2d [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] 04429951c51dfa6773046ddc64e3c8b042961d687bd121a5fe4dcd6133198328 [INFO] running `Command { std: "docker" "start" "-a" "04429951c51dfa6773046ddc64e3c8b042961d687bd121a5fe4dcd6133198328", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling semver v1.0.7 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking fixedbitset v0.4.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking pub-iterator-type v0.1.1 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking par-map v0.1.4 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Checking integer-sqrt v0.1.5 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking pathfinding v2.2.3 [INFO] [stderr] Checking sha3 v0.9.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling darling_core v0.13.2 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking clap-verbosity-flag v0.2.0 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Compiling darling_macro v0.13.2 [INFO] [stderr] Compiling darling v0.13.2 [INFO] [stderr] Compiling serde_with_macros v1.5.1 [INFO] [stderr] Checking serde v1.0.136 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_with v1.12.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking globset v0.4.8 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking assert_cmd v2.0.4 [INFO] [stderr] Checking ignore v0.4.18 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking globwalk v0.3.1 [INFO] [stderr] Checking quicli v0.4.0 [INFO] [stderr] Checking fbas_analyzer v0.7.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/core_types/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `set_helpers::*` [INFO] [stdout] --> src/core_types/mod.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | pub use set_helpers::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/core_types/quorum_set.rs:102:44 [INFO] [stdout] | [INFO] [stdout] 100 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 101 | relevant_threshold: impl Copy + Fn(&QuorumSet) -> usize + 'a, [INFO] [stdout] 102 | ) -> impl Iterator + '_ { [INFO] [stdout] | ^^ 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] 102 - ) -> impl Iterator + '_ { [INFO] [stdout] 102 + ) -> impl Iterator + 'a { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/fbas_analyzer.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | #[derive(Debug, StructOpt)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fbas_analyzer` (bin "fbas_analyzer") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/bulk_fbas_analyzer.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Debug, StructOpt)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/bulk_fbas_analyzer.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Debug, StructOpt)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fbas_analyzer` (bin "bulk_fbas_analyzer") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "04429951c51dfa6773046ddc64e3c8b042961d687bd121a5fe4dcd6133198328", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04429951c51dfa6773046ddc64e3c8b042961d687bd121a5fe4dcd6133198328", kill_on_drop: false }` [INFO] [stdout] 04429951c51dfa6773046ddc64e3c8b042961d687bd121a5fe4dcd6133198328