[INFO] fetching crate symbolic 8.6.1...
[INFO] testing symbolic-8.6.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate symbolic 8.6.1 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate symbolic 8.6.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic 8.6.1
[INFO] finished tweaking crates.io crate symbolic 8.6.1
[INFO] tweaked toml for crates.io crate symbolic 8.6.1 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bed81665bc77d2b799381cefeefd7b2ce1eff1cd18c7b25c12ee8b3c521b5ae
[INFO] running `Command { std: "docker" "start" "-a" "2bed81665bc77d2b799381cefeefd7b2ce1eff1cd18c7b25c12ee8b3c521b5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bed81665bc77d2b799381cefeefd7b2ce1eff1cd18c7b25c12ee8b3c521b5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bed81665bc77d2b799381cefeefd7b2ce1eff1cd18c7b25c12ee8b3c521b5ae", kill_on_drop: false }`
[INFO] [stdout] 2bed81665bc77d2b799381cefeefd7b2ce1eff1cd18c7b25c12ee8b3c521b5ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90198222a4fc9753ad43d02de2fee31181c39418ac506fca71164a3288b72e87
[INFO] running `Command { std: "docker" "start" "-a" "90198222a4fc9753ad43d02de2fee31181c39418ac506fca71164a3288b72e87", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling joinery v2.1.0
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling indent_write v2.2.0
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling dmsort v1.0.1
[INFO] [stderr]    Compiling wasmparser v0.82.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling wyz v0.5.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling memmap2 v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling scroll_derive v0.11.0
[INFO] [stderr]    Compiling debugid v0.7.3
[INFO] [stderr]    Compiling brownstone v1.1.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling pdb v0.7.0
[INFO] [stderr]    Compiling symbolic-common v8.6.1
[INFO] [stderr]    Compiling bitvec v1.0.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling scroll v0.11.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling goblin v0.5.1
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling nom-supreme v0.6.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling string_cache v0.8.3
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling elementtree v0.7.0
[INFO] [stderr]    Compiling symbolic-debuginfo v8.6.1
[INFO] [stderr]    Compiling symbolic v8.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.99s
[INFO] running `Command { std: "docker" "inspect" "90198222a4fc9753ad43d02de2fee31181c39418ac506fca71164a3288b72e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90198222a4fc9753ad43d02de2fee31181c39418ac506fca71164a3288b72e87", kill_on_drop: false }`
[INFO] [stdout] 90198222a4fc9753ad43d02de2fee31181c39418ac506fca71164a3288b72e87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dfd55d6cb52e388c1f53828e74c9436bec88b5d386c9d352f69c66341ba8472
[INFO] running `Command { std: "docker" "start" "-a" "2dfd55d6cb52e388c1f53828e74c9436bec88b5d386c9d352f69c66341ba8472", kill_on_drop: false }`
[INFO] [stderr]    Compiling symbolic v8.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "2dfd55d6cb52e388c1f53828e74c9436bec88b5d386c9d352f69c66341ba8472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfd55d6cb52e388c1f53828e74c9436bec88b5d386c9d352f69c66341ba8472", kill_on_drop: false }`
[INFO] [stdout] 2dfd55d6cb52e388c1f53828e74c9436bec88b5d386c9d352f69c66341ba8472
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1f0ee8667f70bd395ee1c4e7fdaa0f7784f7451a47da2a1e1b37a362cd0d328
[INFO] running `Command { std: "docker" "start" "-a" "c1f0ee8667f70bd395ee1c4e7fdaa0f7784f7451a47da2a1e1b37a362cd0d328", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symbolic-176f02f8dbb543c5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests symbolic
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1f0ee8667f70bd395ee1c4e7fdaa0f7784f7451a47da2a1e1b37a362cd0d328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f0ee8667f70bd395ee1c4e7fdaa0f7784f7451a47da2a1e1b37a362cd0d328", kill_on_drop: false }`
[INFO] [stdout] c1f0ee8667f70bd395ee1c4e7fdaa0f7784f7451a47da2a1e1b37a362cd0d328