[INFO] fetching crate flint 2.2.0...
[INFO] testing flint-2.2.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate flint 2.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate flint 2.2.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flint 2.2.0
[INFO] finished tweaking crates.io crate flint 2.2.0
[INFO] tweaked toml for crates.io crate flint 2.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e43a6935804698d418b9a8beecd8e014f655ec9b571ba52209c5652eb320304d
[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" "e43a6935804698d418b9a8beecd8e014f655ec9b571ba52209c5652eb320304d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43a6935804698d418b9a8beecd8e014f655ec9b571ba52209c5652eb320304d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43a6935804698d418b9a8beecd8e014f655ec9b571ba52209c5652eb320304d", kill_on_drop: false }`
[INFO] [stdout] e43a6935804698d418b9a8beecd8e014f655ec9b571ba52209c5652eb320304d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 068db607ce32da7dac2caa6a83cf7aa0e92af86271997a71eb2bc6e7c131ac10
[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" "068db607ce32da7dac2caa6a83cf7aa0e92af86271997a71eb2bc6e7c131ac10", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling sane v0.2.1
[INFO] [stderr]    Compiling flint v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.55s
[INFO] running `Command { std: "docker" "inspect" "068db607ce32da7dac2caa6a83cf7aa0e92af86271997a71eb2bc6e7c131ac10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068db607ce32da7dac2caa6a83cf7aa0e92af86271997a71eb2bc6e7c131ac10", kill_on_drop: false }`
[INFO] [stdout] 068db607ce32da7dac2caa6a83cf7aa0e92af86271997a71eb2bc6e7c131ac10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e300e138fa27d47e645a8a2a4afc74417acac71430e27e1f955b9dc0a4b587
[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" "89e300e138fa27d47e645a8a2a4afc74417acac71430e27e1f955b9dc0a4b587", kill_on_drop: false }`
[INFO] [stderr]    Compiling flint v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "89e300e138fa27d47e645a8a2a4afc74417acac71430e27e1f955b9dc0a4b587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e300e138fa27d47e645a8a2a4afc74417acac71430e27e1f955b9dc0a4b587", kill_on_drop: false }`
[INFO] [stdout] 89e300e138fa27d47e645a8a2a4afc74417acac71430e27e1f955b9dc0a4b587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 4fa09cf38121d940d9b7259ebb3c9de6b972848b001f9be518cb469244b9e60b
[INFO] running `Command { std: "docker" "start" "-a" "4fa09cf38121d940d9b7259ebb3c9de6b972848b001f9be518cb469244b9e60b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flint-aefc8a1c134214cc)
[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" "4fa09cf38121d940d9b7259ebb3c9de6b972848b001f9be518cb469244b9e60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa09cf38121d940d9b7259ebb3c9de6b972848b001f9be518cb469244b9e60b", kill_on_drop: false }`
[INFO] [stdout] 4fa09cf38121d940d9b7259ebb3c9de6b972848b001f9be518cb469244b9e60b