[INFO] fetching crate chopper 0.0.5...
[INFO] testing chopper-0.0.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate chopper 0.0.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate chopper 0.0.5 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 chopper 0.0.5
[INFO] finished tweaking crates.io crate chopper 0.0.5
[INFO] tweaked toml for crates.io crate chopper 0.0.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate chopper 0.0.5 already has a lockfile, it will not be regenerated
[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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f733ac1ab6c8e0dfcb9688c413d0976e91d3cfedbdb50de258cc88410fa67efc
[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" "f733ac1ab6c8e0dfcb9688c413d0976e91d3cfedbdb50de258cc88410fa67efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f733ac1ab6c8e0dfcb9688c413d0976e91d3cfedbdb50de258cc88410fa67efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f733ac1ab6c8e0dfcb9688c413d0976e91d3cfedbdb50de258cc88410fa67efc", kill_on_drop: false }`
[INFO] [stdout] f733ac1ab6c8e0dfcb9688c413d0976e91d3cfedbdb50de258cc88410fa67efc
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b5d837c6decaea9f0495061dee6f9bd148d49697522c159988c7f30f4c92b23
[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" "5b5d837c6decaea9f0495061dee6f9bd148d49697522c159988c7f30f4c92b23", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.17
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling paku v0.0.1
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling ruzstd v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling lz-fear v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling cookie_store v0.12.0
[INFO] [stderr]    Compiling ureq v1.5.1
[INFO] [stderr]    Compiling chopper v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `Command { std: "docker" "inspect" "5b5d837c6decaea9f0495061dee6f9bd148d49697522c159988c7f30f4c92b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5d837c6decaea9f0495061dee6f9bd148d49697522c159988c7f30f4c92b23", kill_on_drop: false }`
[INFO] [stdout] 5b5d837c6decaea9f0495061dee6f9bd148d49697522c159988c7f30f4c92b23
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0842da0c53089f22894f6a646751807cd384f378b6d2b2447e9c594211f682cb
[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" "0842da0c53089f22894f6a646751807cd384f378b6d2b2447e9c594211f682cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling chopper v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "0842da0c53089f22894f6a646751807cd384f378b6d2b2447e9c594211f682cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0842da0c53089f22894f6a646751807cd384f378b6d2b2447e9c594211f682cb", kill_on_drop: false }`
[INFO] [stdout] 0842da0c53089f22894f6a646751807cd384f378b6d2b2447e9c594211f682cb
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4aebad4e507a63eef995c7e72aa706b5f63cabb5c4e7c1fa65ce180ae492ffd2
[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" "4aebad4e507a63eef995c7e72aa706b5f63cabb5c4e7c1fa65ce180ae492ffd2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.31s
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chopper-3ce3b78ed91a354b
[INFO] [stdout] test util::csv_util::tests::test_guess_has_header ... ok
[INFO] [stdout] test util::reader::tests::test_preview_1_1 ... ok
[INFO] [stdout] test util::reader::tests::test_preview_1_5 ... ok
[INFO] [stdout] test util::reader::tests::test_preview_2_1 ... ok
[INFO] [stdout] test util::reader::tests::test_preview_2_2 ... ok
[INFO] [stdout] test util::reader::tests::test_preview_3_4_7 ... ok
[INFO] [stdout] test util::reader::tests::test_preview_1_3 ... ok
[INFO] [stdout] test util::reader::tests::test_preview_1_4 ... ok
[INFO] [stdout] test util::reader::tests::test_preview_3_8_11 ... ok
[INFO] [stdout] test util::reader::tests::test_preview_3_1_3 ... ok
[INFO] [stdout] test util::reader::tests::test_preview_3_12_20 ... ok
[INFO] [stdout] test util::timestamp_util::tests::test_parse_timestamp_range ... ok
[INFO] [stdout] test util::csv_util::tests::test_guess_type ... ok
[INFO] [stdout] test util::reader::tests::test_preview_2_3 ... ok
[INFO] [stdout] test util::reader::tests::test_preview_1_2 ... ok
[INFO] [stdout] test util::reader::tests::test_multiple_capacities ... ok
[INFO] [stdout] test util::reader::tests::test_capacity_too_small ... ok
[INFO] [stdout] test util::reader::tests::test_preview_empty ... ok
[INFO] [stdout] test util::reader::tests::test_preview_trimmed_buf ... ok
[INFO] [stdout] test util::reader::tests::test_preview_2_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chopper
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4aebad4e507a63eef995c7e72aa706b5f63cabb5c4e7c1fa65ce180ae492ffd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aebad4e507a63eef995c7e72aa706b5f63cabb5c4e7c1fa65ce180ae492ffd2", kill_on_drop: false }`
[INFO] [stdout] 4aebad4e507a63eef995c7e72aa706b5f63cabb5c4e7c1fa65ce180ae492ffd2