[INFO] fetching crate constrained_type 0.1.2-alpha.3...
[INFO] testing constrained_type-0.1.2-alpha.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate constrained_type 0.1.2-alpha.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate constrained_type 0.1.2-alpha.3 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 constrained_type 0.1.2-alpha.3
[INFO] finished tweaking crates.io crate constrained_type 0.1.2-alpha.3
[INFO] tweaked toml for crates.io crate constrained_type 0.1.2-alpha.3 written to /workspace/builds/worker-8/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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 366d4d3e56dc6a8b246405f69b725e7ed15e42bd082be071de1c5d25726de7e3
[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" "366d4d3e56dc6a8b246405f69b725e7ed15e42bd082be071de1c5d25726de7e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "366d4d3e56dc6a8b246405f69b725e7ed15e42bd082be071de1c5d25726de7e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366d4d3e56dc6a8b246405f69b725e7ed15e42bd082be071de1c5d25726de7e3", kill_on_drop: false }`
[INFO] [stdout] 366d4d3e56dc6a8b246405f69b725e7ed15e42bd082be071de1c5d25726de7e3
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b467046462bf4d7b8936d865e3c73f6e04798232549bde647d3909c00a6de57
[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" "5b467046462bf4d7b8936d865e3c73f6e04798232549bde647d3909c00a6de57", kill_on_drop: false }`
[INFO] [stderr]    Compiling constrained_type v0.1.2-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "5b467046462bf4d7b8936d865e3c73f6e04798232549bde647d3909c00a6de57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b467046462bf4d7b8936d865e3c73f6e04798232549bde647d3909c00a6de57", kill_on_drop: false }`
[INFO] [stdout] 5b467046462bf4d7b8936d865e3c73f6e04798232549bde647d3909c00a6de57
[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" "+1.49.0" "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] 66f09c280f840688690115c9683d84395e4952d4ee5fa2501b663b2a44fdc902
[INFO] running `Command { std: "docker" "start" "-a" "66f09c280f840688690115c9683d84395e4952d4ee5fa2501b663b2a44fdc902", kill_on_drop: false }`
[INFO] [stderr]    Compiling constrained_type v0.1.2-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "66f09c280f840688690115c9683d84395e4952d4ee5fa2501b663b2a44fdc902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f09c280f840688690115c9683d84395e4952d4ee5fa2501b663b2a44fdc902", kill_on_drop: false }`
[INFO] [stdout] 66f09c280f840688690115c9683d84395e4952d4ee5fa2501b663b2a44fdc902
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 075d72ea9dda8cb8cd61037b78107eb62f7a82ba8f0f3fcdd9fdc6ec6d02076a
[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" "075d72ea9dda8cb8cd61037b78107eb62f7a82ba8f0f3fcdd9fdc6ec6d02076a", 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 0.84s
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/constrained_type-323c0f16861b34d6
[INFO] [stdout] test float::test::it_errors_on_out_of_bounds_value ... ok
[INFO] [stderr]    Doc-tests constrained_type
[INFO] [stdout] test int::test::it_can_construct_a_unit_quantity ... ok
[INFO] [stdout] test string::test::it_can_construct_a_string55 ... ok
[INFO] [stdout] test string_option::test::it_validates_a_string55_option_max_len ... ok
[INFO] [stdout] test string_like::test::it_can_construct_an_email_address ... ok
[INFO] [stdout] test int::test::it_errors_on_out_of_bounds_value ... ok
[INFO] [stdout] test string::test::it_validates_an_empty_string55 ... ok
[INFO] [stdout] test string_option::test::it_can_construct_a_string55option_with_some ... ok
[INFO] [stdout] test float::test::it_can_construct_an_kilogram_quantity ... ok
[INFO] [stdout] test string::test::it_validates_a_string55_max_len ... ok
[INFO] [stdout] test string_like::test::it_errors_on_invalid_email_address ... ok
[INFO] [stdout] test string_option::test::it_can_construct_a_string55option_with_none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "075d72ea9dda8cb8cd61037b78107eb62f7a82ba8f0f3fcdd9fdc6ec6d02076a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075d72ea9dda8cb8cd61037b78107eb62f7a82ba8f0f3fcdd9fdc6ec6d02076a", kill_on_drop: false }`
[INFO] [stdout] 075d72ea9dda8cb8cd61037b78107eb62f7a82ba8f0f3fcdd9fdc6ec6d02076a