[INFO] fetching crate symbolic 8.1.0...
[INFO] testing symbolic-8.1.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate symbolic 8.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate symbolic 8.1.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic 8.1.0
[INFO] finished tweaking crates.io crate symbolic 8.1.0
[INFO] tweaked toml for crates.io crate symbolic 8.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symbolic-demangle v8.1.0
[INFO] [stderr]   Downloaded symbolic-sourcemap v8.1.0
[INFO] [stderr]   Downloaded symbolic-symcache v8.1.0
[INFO] [stderr]   Downloaded symbolic-unreal v8.1.0
[INFO] [stderr]   Downloaded symbolic-minidump v8.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e3007f1d782c3e0ebc36f9fe7dbb0f9a799030cefb3213155024f137906a98a
[INFO] running `Command { std: "docker" "start" "-a" "5e3007f1d782c3e0ebc36f9fe7dbb0f9a799030cefb3213155024f137906a98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e3007f1d782c3e0ebc36f9fe7dbb0f9a799030cefb3213155024f137906a98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3007f1d782c3e0ebc36f9fe7dbb0f9a799030cefb3213155024f137906a98a", kill_on_drop: false }`
[INFO] [stdout] 5e3007f1d782c3e0ebc36f9fe7dbb0f9a799030cefb3213155024f137906a98a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0deb1059052d168b28350b2700f05aa6d22a37343e5ed9c75a5062bd644b203b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0deb1059052d168b28350b2700f05aa6d22a37343e5ed9c75a5062bd644b203b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling wasmparser v0.59.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling dmsort v1.0.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling debugid v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling symbolic-common v8.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bzip2 v0.4.2
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling walrus-macro v0.18.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling pdb v0.7.0
[INFO] [stderr]    Compiling goblin v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling walrus v0.18.0
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling elementtree v0.5.0
[INFO] [stderr]    Compiling symbolic-debuginfo v8.1.0
[INFO] [stderr]    Compiling symbolic v8.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "0deb1059052d168b28350b2700f05aa6d22a37343e5ed9c75a5062bd644b203b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0deb1059052d168b28350b2700f05aa6d22a37343e5ed9c75a5062bd644b203b", kill_on_drop: false }`
[INFO] [stdout] 0deb1059052d168b28350b2700f05aa6d22a37343e5ed9c75a5062bd644b203b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b8690cc1933f0e075fee1c6eaef3f9e2d2fb236b8d35ed641773d79daeb0a74
[INFO] running `Command { std: "docker" "start" "-a" "8b8690cc1933f0e075fee1c6eaef3f9e2d2fb236b8d35ed641773d79daeb0a74", kill_on_drop: false }`
[INFO] [stderr]    Compiling symbolic v8.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "8b8690cc1933f0e075fee1c6eaef3f9e2d2fb236b8d35ed641773d79daeb0a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8690cc1933f0e075fee1c6eaef3f9e2d2fb236b8d35ed641773d79daeb0a74", kill_on_drop: false }`
[INFO] [stdout] 8b8690cc1933f0e075fee1c6eaef3f9e2d2fb236b8d35ed641773d79daeb0a74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a45b508afc260801205d7393fd90c96a222c754071e2687510a92b4048930b7
[INFO] running `Command { std: "docker" "start" "-a" "5a45b508afc260801205d7393fd90c96a222c754071e2687510a92b4048930b7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symbolic-4ba16d1e30d7fcb3)
[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] [stderr]    Doc-tests symbolic
[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" "5a45b508afc260801205d7393fd90c96a222c754071e2687510a92b4048930b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a45b508afc260801205d7393fd90c96a222c754071e2687510a92b4048930b7", kill_on_drop: false }`
[INFO] [stdout] 5a45b508afc260801205d7393fd90c96a222c754071e2687510a92b4048930b7