[INFO] fetching crate trawler 0.11.0-alpha.5...
[INFO] testing trawler-0.11.0-alpha.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate trawler 0.11.0-alpha.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate trawler 0.11.0-alpha.5 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 trawler 0.11.0-alpha.5
[INFO] finished tweaking crates.io crate trawler 0.11.0-alpha.5
[INFO] tweaked toml for crates.io crate trawler 0.11.0-alpha.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate trawler 0.11.0-alpha.5 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]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.2.7
[INFO] [stderr]   Downloaded histogram-sampler v0.4.0
[INFO] [stderr]   Downloaded zipf v6.1.0
[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" "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] 50c01af7ea8cb11142a7a98ec1f747045fa1c7a79b7cb627919a0a31ec0b928d
[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" "50c01af7ea8cb11142a7a98ec1f747045fa1c7a79b7cb627919a0a31ec0b928d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50c01af7ea8cb11142a7a98ec1f747045fa1c7a79b7cb627919a0a31ec0b928d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c01af7ea8cb11142a7a98ec1f747045fa1c7a79b7cb627919a0a31ec0b928d", kill_on_drop: false }`
[INFO] [stdout] 50c01af7ea8cb11142a7a98ec1f747045fa1c7a79b7cb627919a0a31ec0b928d
[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=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] 99da6f52d42c9d3031837f69afa8cabb4386ea1bbc71aeb6e25d0c2570019740
[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" "99da6f52d42c9d3031837f69afa8cabb4386ea1bbc71aeb6e25d0c2570019740", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling adler v0.2.2
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling trawler v0.11.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling histogram-sampler v0.4.0
[INFO] [stderr]    Compiling zipf v6.1.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling slog-term v2.6.0
[INFO] [stderr]    Compiling hdrhistogram v7.1.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling time v0.2.7
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling cookie v0.13.3
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "99da6f52d42c9d3031837f69afa8cabb4386ea1bbc71aeb6e25d0c2570019740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99da6f52d42c9d3031837f69afa8cabb4386ea1bbc71aeb6e25d0c2570019740", kill_on_drop: false }`
[INFO] [stdout] 99da6f52d42c9d3031837f69afa8cabb4386ea1bbc71aeb6e25d0c2570019740
[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=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] 2e100b63c348286453cf7e856854fb41242762755de81e68c3650f92090a7df5
[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" "2e100b63c348286453cf7e856854fb41242762755de81e68c3650f92090a7df5", kill_on_drop: false }`
[INFO] [stderr]    Compiling trawler v0.11.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "2e100b63c348286453cf7e856854fb41242762755de81e68c3650f92090a7df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e100b63c348286453cf7e856854fb41242762755de81e68c3650f92090a7df5", kill_on_drop: false }`
[INFO] [stdout] 2e100b63c348286453cf7e856854fb41242762755de81e68c3650f92090a7df5
[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=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] 6e647367e8ebe9c6c013948ab985f476c7205d5ade6ff46585919734ac2e44f0
[INFO] running `Command { std: "docker" "start" "-a" "6e647367e8ebe9c6c013948ab985f476c7205d5ade6ff46585919734ac2e44f0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trawler-2dda4defe0523b94
[INFO] [stdout] running 1 test
[INFO] [stdout] test client::tests::textual_requests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trawler-ccd1dd0829428c92
[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] [stderr]    Doc-tests trawler
[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" "6e647367e8ebe9c6c013948ab985f476c7205d5ade6ff46585919734ac2e44f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e647367e8ebe9c6c013948ab985f476c7205d5ade6ff46585919734ac2e44f0", kill_on_drop: false }`
[INFO] [stdout] 6e647367e8ebe9c6c013948ab985f476c7205d5ade6ff46585919734ac2e44f0