[INFO] fetching crate fibers_http_server 0.2.0...
[INFO] testing fibers_http_server-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fibers_http_server 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fibers_http_server 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fibers_http_server 0.2.0
[INFO] finished tweaking crates.io crate fibers_http_server 0.2.0
[INFO] tweaked toml for crates.io crate fibers_http_server 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate fibers_http_server 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded httpcodec v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c19c3d97d07e371128ba357b6a9edb932f226feed05a6b8a7832ce2eb315a7f
[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" "7c19c3d97d07e371128ba357b6a9edb932f226feed05a6b8a7832ce2eb315a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c19c3d97d07e371128ba357b6a9edb932f226feed05a6b8a7832ce2eb315a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c19c3d97d07e371128ba357b6a9edb932f226feed05a6b8a7832ce2eb315a7f", kill_on_drop: false }`
[INFO] [stdout] 7c19c3d97d07e371128ba357b6a9edb932f226feed05a6b8a7832ce2eb315a7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7a360b3aa593d4214557476d12408daf604bc57920ccb009e7652e436e24888
[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" "f7a360b3aa593d4214557476d12408daf604bc57920ccb009e7652e436e24888", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling nbchan v0.1.3
[INFO] [stderr]    Compiling atomic_immut v0.1.4
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling factory v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling fibers v0.1.13
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling trackable v0.2.23
[INFO] [stderr]    Compiling bytecodec v0.4.13
[INFO] [stderr]    Compiling prometrics v0.1.13
[INFO] [stderr]    Compiling httpcodec v0.2.3
[INFO] [stderr]    Compiling fibers_http_server v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.95s
[INFO] running `Command { std: "docker" "inspect" "f7a360b3aa593d4214557476d12408daf604bc57920ccb009e7652e436e24888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a360b3aa593d4214557476d12408daf604bc57920ccb009e7652e436e24888", kill_on_drop: false }`
[INFO] [stdout] f7a360b3aa593d4214557476d12408daf604bc57920ccb009e7652e436e24888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d0b8c16015ab33595a1f4a7d7536ed59706a21474e709e5e34fb19ba976d076
[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" "9d0b8c16015ab33595a1f4a7d7536ed59706a21474e709e5e34fb19ba976d076", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling slog-kvfilter v0.7.0
[INFO] [stderr]    Compiling fibers_global v0.1.2
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling slog-async v2.5.0
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling slog-term v2.6.0
[INFO] [stderr]    Compiling sloggers v0.3.6
[INFO] [stderr]    Compiling fibers_http_server v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.70s
[INFO] running `Command { std: "docker" "inspect" "9d0b8c16015ab33595a1f4a7d7536ed59706a21474e709e5e34fb19ba976d076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0b8c16015ab33595a1f4a7d7536ed59706a21474e709e5e34fb19ba976d076", kill_on_drop: false }`
[INFO] [stdout] 9d0b8c16015ab33595a1f4a7d7536ed59706a21474e709e5e34fb19ba976d076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "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] f48e4ba09e3206fb542df221107f73eccef7b772fb53bb719de0e183faf38be7
[INFO] running `Command { std: "docker" "start" "-a" "f48e4ba09e3206fb542df221107f73eccef7b772fb53bb719de0e183faf38be7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fibers_http_server-00120b3cc7a56ec3
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test metrics::tests::bucket_config_new_succeeds ... ok
[INFO] [stdout] test dispatcher::test::dispatcher_works ... ok
[INFO] [stdout] test metrics::tests::bucket_config_new_correctly_panics ... ok
[INFO] [stdout] test test::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fibers_http_server
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f48e4ba09e3206fb542df221107f73eccef7b772fb53bb719de0e183faf38be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48e4ba09e3206fb542df221107f73eccef7b772fb53bb719de0e183faf38be7", kill_on_drop: false }`
[INFO] [stdout] f48e4ba09e3206fb542df221107f73eccef7b772fb53bb719de0e183faf38be7