[INFO] cloning repository https://github.com/duckling747/buttons
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duckling747/buttons" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduckling747%2Fbuttons", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduckling747%2Fbuttons'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fa135a5c49182b026f26fef2a533c38387c15e5
[INFO] checking duckling747/buttons against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduckling747%2Fbuttons" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duckling747/buttons on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/duckling747/buttons
[INFO] finished tweaking git repo https://github.com/duckling747/buttons
[INFO] tweaked toml for git repo https://github.com/duckling747/buttons written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/duckling747/buttons already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--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 rand v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c897e412c97db4bd11a6b8711925f8fd5dd057bdc4c97907d916c48c9ef3aca9
[INFO] running `Command { std: "docker" "start" "-a" "c897e412c97db4bd11a6b8711925f8fd5dd057bdc4c97907d916c48c9ef3aca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c897e412c97db4bd11a6b8711925f8fd5dd057bdc4c97907d916c48c9ef3aca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c897e412c97db4bd11a6b8711925f8fd5dd057bdc4c97907d916c48c9ef3aca9", kill_on_drop: false }`
[INFO] [stdout] c897e412c97db4bd11a6b8711925f8fd5dd057bdc4c97907d916c48c9ef3aca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00dfa0edc02cfb9d1037b195b3aa5271ce8fcefbcf2ea2838d141388bd7c922b
[INFO] running `Command { std: "docker" "start" "-a" "00dfa0edc02cfb9d1037b195b3aa5271ce8fcefbcf2ea2838d141388bd7c922b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
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[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking unic-char-range v0.9.0
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[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking http v0.2.2
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[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking encoding_rs v0.8.26
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
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[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
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[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking getrandom v0.2.1
[INFO] [stderr]     Checking brotli-sys v0.3.2
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[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking cookie v0.14.3
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking actix-codec v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking actix-service v1.0.6
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking trust-dns-proto v0.19.6
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking actix-router v0.2.5
[INFO] [stderr]     Checking actix-utils v2.0.0
[INFO] [stderr]     Checking trust-dns-resolver v0.19.6
[INFO] [stderr]     Checking actix-server v1.0.4
[INFO] [stderr]     Checking actix-tls v2.0.0
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking tera v1.6.1
[INFO] [stderr]     Checking actix-connect v2.0.0
[INFO] [stderr]     Checking actix-http v2.2.0
[INFO] [stderr]     Checking awc v2.0.3
[INFO] [stderr]     Checking actix-web v3.3.2
[INFO] [stderr]     Checking buttons v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.42s
[INFO] running `Command { std: "docker" "inspect" "00dfa0edc02cfb9d1037b195b3aa5271ce8fcefbcf2ea2838d141388bd7c922b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00dfa0edc02cfb9d1037b195b3aa5271ce8fcefbcf2ea2838d141388bd7c922b", kill_on_drop: false }`
[INFO] [stdout] 00dfa0edc02cfb9d1037b195b3aa5271ce8fcefbcf2ea2838d141388bd7c922b