[INFO] fetching crate hypothesis 0.10.2...
[INFO] checking hypothesis-0.10.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate hypothesis 0.10.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hypothesis 0.10.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypothesis 0.10.2
[INFO] finished tweaking crates.io crate hypothesis 0.10.2
[INFO] tweaked toml for crates.io crate hypothesis 0.10.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate hypothesis 0.10.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded futures-executor v0.3.13
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[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
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[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
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[INFO] [stderr]   Downloaded serde_json v1.0.64
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded darling_macro v0.10.2
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[INFO] [stderr]   Downloaded tinyvec v0.3.3
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded sharded-slab v0.0.9
[INFO] [stderr]   Downloaded bstr v0.2.15
[INFO] [stderr]   Downloaded color-eyre v0.5.10
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded tracing-core v0.1.11
[INFO] [stderr]   Downloaded httpdate v0.3.2
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.6
[INFO] [stderr]   Downloaded tracing-futures v0.2.4
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[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded rustls v0.19.0
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded futures-task v0.3.13
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[INFO] [stderr]   Downloaded hashbrown v0.8.1
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[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded predicates v1.0.7
[INFO] [stderr]   Downloaded owo-colors v1.2.1
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.8
[INFO] [stderr]   Downloaded eyre v0.6.5
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.23
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded ipnet v2.3.0
[INFO] [stderr]   Downloaded sct v0.6.0
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded futures-channel v0.3.13
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded futures-io v0.3.13
[INFO] [stderr]   Downloaded indexmap v1.5.0
[INFO] [stderr]   Downloaded tokio-util v0.6.1
[INFO] [stderr]   Downloaded tokio-stream v0.1.2
[INFO] [stderr]   Downloaded futures-util v0.3.13
[INFO] [stderr]   Downloaded web-sys v0.3.42
[INFO] [stderr]   Downloaded pin-project v0.4.22
[INFO] [stderr]   Downloaded idna v0.2.0
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.9
[INFO] [stderr]   Downloaded ring v0.16.15
[INFO] [stderr]   Downloaded dotenv v0.15.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.22
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded futures-core v0.3.13
[INFO] [stderr]   Downloaded pin-project-internal v1.0.1
[INFO] [stderr]   Downloaded tracing v0.1.17
[INFO] [stderr]   Downloaded pin-project v1.0.1
[INFO] [stderr]   Downloaded h2 v0.3.0
[INFO] [stderr]   Downloaded http v0.2.1
[INFO] [stderr]   Downloaded http-body v0.4.0
[INFO] [stderr]   Downloaded hyper v0.14.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.19
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded js-sys v0.3.46
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.3
[INFO] [stderr]   Downloaded form_urlencoded v1.0.0
[INFO] [stderr]   Downloaded url v2.2.1
[INFO] [stderr]   Downloaded try-lock v0.2.3
[INFO] [stderr]   Downloaded serde_urlencoded v0.7.0
[INFO] [stderr]   Downloaded webpki v0.21.3
[INFO] [stderr]   Downloaded webpki-roots v0.21.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded thiserror v1.0.24
[INFO] [stderr]   Downloaded unicode-bidi v0.3.4
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded socket2 v0.3.19
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.69
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded httparse v1.3.4
[INFO] [stderr]   Downloaded tower-service v0.3.0
[INFO] [stderr]   Downloaded want v0.3.0
[INFO] [stderr]   Downloaded hyper-rustls v0.22.1
[INFO] [stderr]   Downloaded mime v0.3.16
[INFO] [stderr]   Downloaded tokio-rustls v0.22.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.69
[INFO] [stderr]   Downloaded proc-macro-error v1.0.3
[INFO] [stderr]   Downloaded addr2line v0.13.0
[INFO] [stderr]   Downloaded reqwest v0.11.2
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded tokio v1.4.0
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded winreg v0.7.0
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded time v0.1.43
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded bytes v1.0.1
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded tokio-macros v1.1.0
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bb48d92bb2aa4e012dc52a259bd662c9cb5a29d92a53ed124e9e5495d4bd1b6
[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" "6bb48d92bb2aa4e012dc52a259bd662c9cb5a29d92a53ed124e9e5495d4bd1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bb48d92bb2aa4e012dc52a259bd662c9cb5a29d92a53ed124e9e5495d4bd1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb48d92bb2aa4e012dc52a259bd662c9cb5a29d92a53ed124e9e5495d4bd1b6", kill_on_drop: false }`
[INFO] [stdout] 6bb48d92bb2aa4e012dc52a259bd662c9cb5a29d92a53ed124e9e5495d4bd1b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba48cc580312a2a9bd95da05e93aa47d126a3a83c2db18a8598403a95b4a5d67
[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" "ba48cc580312a2a9bd95da05e93aa47d126a3a83c2db18a8598403a95b4a5d67", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking owo-colors v1.2.1
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.8
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking assert_cmd v1.0.3
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking tracing v0.1.17
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.10
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-util v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.2
[INFO] [stderr]     Checking hypothesis v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 29s
[INFO] running `Command { std: "docker" "inspect" "ba48cc580312a2a9bd95da05e93aa47d126a3a83c2db18a8598403a95b4a5d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba48cc580312a2a9bd95da05e93aa47d126a3a83c2db18a8598403a95b4a5d67", kill_on_drop: false }`
[INFO] [stdout] ba48cc580312a2a9bd95da05e93aa47d126a3a83c2db18a8598403a95b4a5d67