[INFO] fetching crate viz-core 0.1.0-alpha.13...
[INFO] checking viz-core-0.1.0-alpha.13 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate viz-core 0.1.0-alpha.13 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate viz-core 0.1.0-alpha.13 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate viz-core 0.1.0-alpha.13
[INFO] finished tweaking crates.io crate viz-core 0.1.0-alpha.13
[INFO] tweaked toml for crates.io crate viz-core 0.1.0-alpha.13 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mime-db v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1db7bd04f24a8e28fa652962e0c5d67201444945fe58dfb66bd5960396f2d97
[INFO] running `Command { std: "docker" "start" "-a" "e1db7bd04f24a8e28fa652962e0c5d67201444945fe58dfb66bd5960396f2d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1db7bd04f24a8e28fa652962e0c5d67201444945fe58dfb66bd5960396f2d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1db7bd04f24a8e28fa652962e0c5d67201444945fe58dfb66bd5960396f2d97", kill_on_drop: false }`
[INFO] [stdout] e1db7bd04f24a8e28fa652962e0c5d67201444945fe58dfb66bd5960396f2d97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b74e352efa15e30c4ba2c3f2479e537347820a0f8450466f989034e02ff7722
[INFO] running `Command { std: "docker" "start" "-a" "4b74e352efa15e30c4ba2c3f2479e537347820a0f8450466f989034e02ff7722", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking handle v1.0.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking futures-task v0.3.17
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking headers-core v0.2.0
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[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
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[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking form-data v0.2.6
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking viz-utils v0.1.0-alpha.13
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking viz-core v0.1.0-alpha.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]    --> src/types/params.rs:761:13
[INFO] [stdout]     |
[INFO] [stdout] 761 |             inner: (String,),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.16s
[INFO] running `Command { std: "docker" "inspect" "4b74e352efa15e30c4ba2c3f2479e537347820a0f8450466f989034e02ff7722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b74e352efa15e30c4ba2c3f2479e537347820a0f8450466f989034e02ff7722", kill_on_drop: false }`
[INFO] [stdout] 4b74e352efa15e30c4ba2c3f2479e537347820a0f8450466f989034e02ff7722