[INFO] fetching crate ustr 1.1.0...
[INFO] testing ustr-1.1.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate ustr 1.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ustr 1.1.0
[INFO] finished tweaking crates.io crate ustr 1.1.0
[INFO] tweaked toml for crates.io crate ustr 1.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ustr 1.1.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 92 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.7.0)
[INFO] [stderr]       Adding string-interner v0.13.0 (available: v0.19.0)
[INFO] [stderr]       Adding string_cache v0.8.9 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4656f9a8a103c98fbdd997f383b470a1246a915400f27149df886bfbf470a42f
[INFO] running `Command { std: "docker" "start" "-a" "4656f9a8a103c98fbdd997f383b470a1246a915400f27149df886bfbf470a42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4656f9a8a103c98fbdd997f383b470a1246a915400f27149df886bfbf470a42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4656f9a8a103c98fbdd997f383b470a1246a915400f27149df886bfbf470a42f", kill_on_drop: false }`
[INFO] [stdout] 4656f9a8a103c98fbdd997f383b470a1246a915400f27149df886bfbf470a42f
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7873921b8c3f7a3bc98f506ccbb3bc6aa05676f448668787fbfb4db15e67f76c
[INFO] running `Command { std: "docker" "start" "-a" "7873921b8c3f7a3bc98f506ccbb3bc6aa05676f448668787fbfb4db15e67f76c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling ustr v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "7873921b8c3f7a3bc98f506ccbb3bc6aa05676f448668787fbfb4db15e67f76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7873921b8c3f7a3bc98f506ccbb3bc6aa05676f448668787fbfb4db15e67f76c", kill_on_drop: false }`
[INFO] [stdout] 7873921b8c3f7a3bc98f506ccbb3bc6aa05676f448668787fbfb4db15e67f76c
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 818c18f368b9f0a573cffbb0849337eb137dae6fe399f7cbff297ea65982754d
[INFO] running `Command { std: "docker" "start" "-a" "818c18f368b9f0a573cffbb0849337eb137dae6fe399f7cbff297ea65982754d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling string-interner v0.13.0
[INFO] [stderr]    Compiling ustr v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]    --> src/lib.rs:819:9
[INFO] [stdout]     |
[INFO] [stdout] 819 |     use lazy_static::lazy_static;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]    --> src/lib.rs:822:9
[INFO] [stdout]     |
[INFO] [stdout] 822 |     use std::sync::Mutex;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "818c18f368b9f0a573cffbb0849337eb137dae6fe399f7cbff297ea65982754d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818c18f368b9f0a573cffbb0849337eb137dae6fe399f7cbff297ea65982754d", kill_on_drop: false }`
[INFO] [stdout] 818c18f368b9f0a573cffbb0849337eb137dae6fe399f7cbff297ea65982754d
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 707bebdfff88928d0b53ed922bbcea16b99dd8bccc089cfec5fb78c95956c2ee
[INFO] running `Command { std: "docker" "start" "-a" "707bebdfff88928d0b53ed922bbcea16b99dd8bccc089cfec5fb78c95956c2ee", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `lazy_static::lazy_static`
[INFO] [stderr]    --> src/lib.rs:819:9
[INFO] [stderr]     |
[INFO] [stderr] 819 |     use lazy_static::lazy_static;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]    --> src/lib.rs:822:9
[INFO] [stderr]     |
[INFO] [stderr] 822 |     use std::sync::Mutex;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ustr` (lib test) generated 2 warnings (run `cargo fix --lib -p ustr --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ustr-7e6eecc471990a99)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test hash::test_hashing ... ok
[INFO] [stdout] test tests::test_empty_cache ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::raft ... ok
[INFO] [stderr]    Doc-tests ustr
[INFO] [stdout] test tests::blns ... ok
[INFO] [stdout] test tests::empty_string ... ok
[INFO] [stdout] test tests::as_refs ... ok
[INFO] [stdout] test tests::partial_ord ... ok
[INFO] [stdout] test tests::ord ... ok
[INFO] [stdout] test tests::test_existing_ustr ... ok
[INFO] [stdout] test tests::test_into_str ... ok
[INFO] [stdout] test tests::c_str_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - cache (line 716) ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/lib.rs - ustr (line 677) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] test src/lib.rs - Ustr::as_str (line 267) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - Ustr::as_char_ptr (line 296) ... ok
[INFO] [stdout] test src/lib.rs - existing_ustr (line 696) ... ok
[INFO] [stdout] test src/lib.rs - Ustr::from (line 227) ... ok
[INFO] [stdout] test src/lib.rs - num_entries (line 735) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "707bebdfff88928d0b53ed922bbcea16b99dd8bccc089cfec5fb78c95956c2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707bebdfff88928d0b53ed922bbcea16b99dd8bccc089cfec5fb78c95956c2ee", kill_on_drop: false }`
[INFO] [stdout] 707bebdfff88928d0b53ed922bbcea16b99dd8bccc089cfec5fb78c95956c2ee