[INFO] fetching crate cexpr 0.4.0...
[INFO] testing cexpr-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cexpr 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cexpr 0.4.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cexpr 0.4.0
[INFO] finished tweaking crates.io crate cexpr 0.4.0
[INFO] tweaked toml for crates.io crate cexpr 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8d217c5500d8d3ba38aaf77737a0334bdd86ff87ebbf89c22bc0d2e672238a3
[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" "b8d217c5500d8d3ba38aaf77737a0334bdd86ff87ebbf89c22bc0d2e672238a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8d217c5500d8d3ba38aaf77737a0334bdd86ff87ebbf89c22bc0d2e672238a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d217c5500d8d3ba38aaf77737a0334bdd86ff87ebbf89c22bc0d2e672238a3", kill_on_drop: false }`
[INFO] [stdout] b8d217c5500d8d3ba38aaf77737a0334bdd86ff87ebbf89c22bc0d2e672238a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5953873fa5243763670308f49ac9e941ac62925a721d0f4bd1b93384a024fb6d
[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" "5953873fa5243763670308f49ac9e941ac62925a721d0f4bd1b93384a024fb6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling cexpr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.56s
[INFO] running `Command { std: "docker" "inspect" "5953873fa5243763670308f49ac9e941ac62925a721d0f4bd1b93384a024fb6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5953873fa5243763670308f49ac9e941ac62925a721d0f4bd1b93384a024fb6d", kill_on_drop: false }`
[INFO] [stdout] 5953873fa5243763670308f49ac9e941ac62925a721d0f4bd1b93384a024fb6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd5720ab5d1b023dd1d9e475353eede4a3055f1e5546015ad1a6b25b9b7475a
[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" "4bd5720ab5d1b023dd1d9e475353eede4a3055f1e5546015ad1a6b25b9b7475a", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling cexpr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.56s
[INFO] running `Command { std: "docker" "inspect" "4bd5720ab5d1b023dd1d9e475353eede4a3055f1e5546015ad1a6b25b9b7475a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd5720ab5d1b023dd1d9e475353eede4a3055f1e5546015ad1a6b25b9b7475a", kill_on_drop: false }`
[INFO] [stdout] 4bd5720ab5d1b023dd1d9e475353eede4a3055f1e5546015ad1a6b25b9b7475a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 89dd57d578edb732a48e4835ef0d10729d9c479dcf6799993519bf1a33c9eabb
[INFO] running `Command { std: "docker" "start" "-a" "89dd57d578edb732a48e4835ef0d10729d9c479dcf6799993519bf1a33c9eabb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cexpr-1f773c77017a7b33
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/clang-ac84f6f1dabef44d
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test int_unsigned ... ok
[INFO] [stdout] test chars ... ok
[INFO] [stdout] test fail ... ok
[INFO] [stdout] test floats ... ok
[INFO] [stdout] test strings ... ok
[INFO] [stdout] test int_signed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cexpr
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/expr.rs - expr::fn_macro_declaration (line 585) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89dd57d578edb732a48e4835ef0d10729d9c479dcf6799993519bf1a33c9eabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89dd57d578edb732a48e4835ef0d10729d9c479dcf6799993519bf1a33c9eabb", kill_on_drop: false }`
[INFO] [stdout] 89dd57d578edb732a48e4835ef0d10729d9c479dcf6799993519bf1a33c9eabb