[INFO] fetching crate build_const 0.2.1...
[INFO] testing build_const-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate build_const 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate build_const 0.2.1 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 build_const 0.2.1
[INFO] finished tweaking crates.io crate build_const 0.2.1
[INFO] tweaked toml for crates.io crate build_const 0.2.1 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b098d4ffd6da63b13da62763b1ea94862209f4a0d9c160601770fe817e9d637
[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" "4b098d4ffd6da63b13da62763b1ea94862209f4a0d9c160601770fe817e9d637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b098d4ffd6da63b13da62763b1ea94862209f4a0d9c160601770fe817e9d637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b098d4ffd6da63b13da62763b1ea94862209f4a0d9c160601770fe817e9d637", kill_on_drop: false }`
[INFO] [stdout] 4b098d4ffd6da63b13da62763b1ea94862209f4a0d9c160601770fe817e9d637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b6135b797f5192f2e3d5c8f90200d8e71185fe47239b450e390d2d4798efbae
[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" "5b6135b797f5192f2e3d5c8f90200d8e71185fe47239b450e390d2d4798efbae", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "5b6135b797f5192f2e3d5c8f90200d8e71185fe47239b450e390d2d4798efbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6135b797f5192f2e3d5c8f90200d8e71185fe47239b450e390d2d4798efbae", kill_on_drop: false }`
[INFO] [stdout] 5b6135b797f5192f2e3d5c8f90200d8e71185fe47239b450e390d2d4798efbae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5abc6b5b3dac561c569f2b66126d2847a575607b939b347f42ce44972a8b87a
[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" "d5abc6b5b3dac561c569f2b66126d2847a575607b939b347f42ce44972a8b87a", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "d5abc6b5b3dac561c569f2b66126d2847a575607b939b347f42ce44972a8b87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5abc6b5b3dac561c569f2b66126d2847a575607b939b347f42ce44972a8b87a", kill_on_drop: false }`
[INFO] [stdout] d5abc6b5b3dac561c569f2b66126d2847a575607b939b347f42ce44972a8b87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 140eeab4974ab7f220248dcfabf291bebd00a8a87773fa6b45d1f6654aa4e75f
[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" "140eeab4974ab7f220248dcfabf291bebd00a8a87773fa6b45d1f6654aa4e75f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/build_const-e1f53d1d19d800d6
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests build_const
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - build_const (line 52) ... ignored
[INFO] [stdout] test src/lib.rs - src_file (line 70) ... ignored
[INFO] [stdout] test src/lib.rs - src_file (line 76) ... ignored
[INFO] [stdout] test src/writer.rs - writer::ConstWriter (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "140eeab4974ab7f220248dcfabf291bebd00a8a87773fa6b45d1f6654aa4e75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140eeab4974ab7f220248dcfabf291bebd00a8a87773fa6b45d1f6654aa4e75f", kill_on_drop: false }`
[INFO] [stdout] 140eeab4974ab7f220248dcfabf291bebd00a8a87773fa6b45d1f6654aa4e75f