[INFO] cloning repository https://github.com/harry-anderson/butter_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harry-anderson/butter_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry-anderson%2Fbutter_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry-anderson%2Fbutter_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7de6de05dac917dbc4b3fbffc26105a1030e1784
[INFO] building harry-anderson/butter_client against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry-anderson%2Fbutter_client" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harry-anderson/butter_client on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/harry-anderson/butter_client
[INFO] finished tweaking git repo https://github.com/harry-anderson/butter_client
[INFO] tweaked toml for git repo https://github.com/harry-anderson/butter_client written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/harry-anderson/butter_client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e34cd399d112f19680562e75f37f2618bfdf23660808836b75a1ce70aa66e3d5
[INFO] running `Command { std: "docker" "start" "-a" "e34cd399d112f19680562e75f37f2618bfdf23660808836b75a1ce70aa66e3d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e34cd399d112f19680562e75f37f2618bfdf23660808836b75a1ce70aa66e3d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34cd399d112f19680562e75f37f2618bfdf23660808836b75a1ce70aa66e3d5", kill_on_drop: false }`
[INFO] [stdout] e34cd399d112f19680562e75f37f2618bfdf23660808836b75a1ce70aa66e3d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d46ffabef95ecda6d71fc2826e6beaa695af726e716127fb3d092211a6ea993b
[INFO] running `Command { std: "docker" "start" "-a" "d46ffabef95ecda6d71fc2826e6beaa695af726e716127fb3d092211a6ea993b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.73
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[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.21
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[INFO] [stderr]    Compiling serde_derive v1.0.140
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[INFO] [stderr]    Compiling serde v1.0.140
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[INFO] [stderr]    Compiling tinyvec v1.6.0
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[INFO] [stderr]    Compiling cpufeatures v0.2.2
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[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling http-body v0.4.5
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[INFO] [stderr]    Compiling utf-8 v0.7.6
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[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num_cpus v1.13.1
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[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling iana-time-zone v0.1.42
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.21
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling pin-project v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling tracing v0.1.35
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tungstenite v0.17.3
[INFO] [stderr]    Compiling tokio-util v0.7.3
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.17.2
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.21
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling hyper v0.14.20
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.11
[INFO] [stderr]    Compiling butter_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "d46ffabef95ecda6d71fc2826e6beaa695af726e716127fb3d092211a6ea993b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46ffabef95ecda6d71fc2826e6beaa695af726e716127fb3d092211a6ea993b", kill_on_drop: false }`
[INFO] [stdout] d46ffabef95ecda6d71fc2826e6beaa695af726e716127fb3d092211a6ea993b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 474709c7552efc5b7a3692007942b25829cc34b533906d924b02da89079cfad2
[INFO] running `Command { std: "docker" "start" "-a" "474709c7552efc5b7a3692007942b25829cc34b533906d924b02da89079cfad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling butter_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "474709c7552efc5b7a3692007942b25829cc34b533906d924b02da89079cfad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474709c7552efc5b7a3692007942b25829cc34b533906d924b02da89079cfad2", kill_on_drop: false }`
[INFO] [stdout] 474709c7552efc5b7a3692007942b25829cc34b533906d924b02da89079cfad2