[INFO] fetching crate cxx-build 1.0.56...
[INFO] testing cxx-build-1.0.56 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cxx-build 1.0.56 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cxx-build 1.0.56 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cxx-build 1.0.56
[INFO] finished tweaking crates.io crate cxx-build 1.0.56
[INFO] tweaked toml for crates.io crate cxx-build 1.0.56 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b64575d186443160e2b196464f4cb953d63a9a4f66300e48cfe348e0ac13325e
[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" "b64575d186443160e2b196464f4cb953d63a9a4f66300e48cfe348e0ac13325e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b64575d186443160e2b196464f4cb953d63a9a4f66300e48cfe348e0ac13325e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64575d186443160e2b196464f4cb953d63a9a4f66300e48cfe348e0ac13325e", kill_on_drop: false }`
[INFO] [stdout] b64575d186443160e2b196464f4cb953d63a9a4f66300e48cfe348e0ac13325e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--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] 3801ba428dc9f261724290b6dcc06c608248ea19e31361df17e766cb084bf6c7
[INFO] running `Command { std: "docker" "start" "-a" "3801ba428dc9f261724290b6dcc06c608248ea19e31361df17e766cb084bf6c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling scratch v1.0.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling cxx-build v1.0.56 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.77s
[INFO] running `Command { std: "docker" "inspect" "3801ba428dc9f261724290b6dcc06c608248ea19e31361df17e766cb084bf6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3801ba428dc9f261724290b6dcc06c608248ea19e31361df17e766cb084bf6c7", kill_on_drop: false }`
[INFO] [stdout] 3801ba428dc9f261724290b6dcc06c608248ea19e31361df17e766cb084bf6c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 42184a6e7d35e7bd89ef613738bd722fdd83db48c565dce52871d6783e737ef1
[INFO] running `Command { std: "docker" "start" "-a" "42184a6e7d35e7bd89ef613738bd722fdd83db48c565dce52871d6783e737ef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cxx-gen v0.7.56
[INFO] [stderr]    Compiling cxx-build v1.0.56 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.12s
[INFO] running `Command { std: "docker" "inspect" "42184a6e7d35e7bd89ef613738bd722fdd83db48c565dce52871d6783e737ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42184a6e7d35e7bd89ef613738bd722fdd83db48c565dce52871d6783e737ef1", kill_on_drop: false }`
[INFO] [stdout] 42184a6e7d35e7bd89ef613738bd722fdd83db48c565dce52871d6783e737ef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1fc6f51b4ca1dbbb3405a7d5ef8f9965c60b9b4e068d7a5268c715fb71d4875a
[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" "1fc6f51b4ca1dbbb3405a7d5ef8f9965c60b9b4e068d7a5268c715fb71d4875a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cxx_build-363ee374379d1bc5)
[INFO] [stdout] test gen::nested::tests::test_ns_entries_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cxx-build
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 13) - compile ... ok
[INFO] [stdout] test src/cfg.rs - cfg::CFG (line 125) - compile ... ok
[INFO] [stdout] test src/lib.rs - bridges (line 123) - compile ... ok
[INFO] [stdout] test src/cfg.rs - cfg::CFG (line 190) - compile ... ok
[INFO] [stdout] test src/cfg.rs - cfg::CFG (line 102) - compile ... ok
[INFO] [stdout] test src/cfg.rs - cfg::CFG (line 224) - compile ... ok
[INFO] [stdout] test src/cfg.rs - cfg::CFG (line 50) - compile ... ok
[INFO] [stdout] test src/cfg.rs - cfg::CFG (line 35) ... ok
[INFO] [stdout] test src/gen/mod.rs - gen::Opt (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1fc6f51b4ca1dbbb3405a7d5ef8f9965c60b9b4e068d7a5268c715fb71d4875a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc6f51b4ca1dbbb3405a7d5ef8f9965c60b9b4e068d7a5268c715fb71d4875a", kill_on_drop: false }`
[INFO] [stdout] 1fc6f51b4ca1dbbb3405a7d5ef8f9965c60b9b4e068d7a5268c715fb71d4875a