[INFO] fetching crate ws-sdk 0.1.17...
[INFO] building ws-sdk-0.1.17 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ws-sdk 0.1.17 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ws-sdk 0.1.17
[INFO] finished tweaking crates.io crate ws-sdk 0.1.17
[INFO] tweaked toml for crates.io crate ws-sdk 0.1.17 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ws-sdk 0.1.17 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 91 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding serde_with v2.3.3 (available: v3.14.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f145b1b7ce0759d9b17357aecf293b1f62967770a9e1f26302a284839b7ae97f
[INFO] running `Command { std: "docker" "start" "-a" "f145b1b7ce0759d9b17357aecf293b1f62967770a9e1f26302a284839b7ae97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f145b1b7ce0759d9b17357aecf293b1f62967770a9e1f26302a284839b7ae97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f145b1b7ce0759d9b17357aecf293b1f62967770a9e1f26302a284839b7ae97f", kill_on_drop: false }`
[INFO] [stdout] f145b1b7ce0759d9b17357aecf293b1f62967770a9e1f26302a284839b7ae97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d16f297d6ee65fd0fa4354afa82167b4f7a58b7102af3a15c750ffe661c886b0
[INFO] running `Command { std: "docker" "start" "-a" "d16f297d6ee65fd0fa4354afa82167b4f7a58b7102af3a15c750ffe661c886b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_with_macros v2.3.3
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_with v2.3.3
[INFO] [stderr]    Compiling ws-sdk v0.1.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::alloc::*`
[INFO] [stdout]  --> src/host/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::alloc::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.33s
[INFO] running `Command { std: "docker" "inspect" "d16f297d6ee65fd0fa4354afa82167b4f7a58b7102af3a15c750ffe661c886b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16f297d6ee65fd0fa4354afa82167b4f7a58b7102af3a15c750ffe661c886b0", kill_on_drop: false }`
[INFO] [stdout] d16f297d6ee65fd0fa4354afa82167b4f7a58b7102af3a15c750ffe661c886b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f7fccd16171cd47dbd8c5e8e90df6f9eeb5badbc63f49df72d581686230cbe4
[INFO] running `Command { std: "docker" "start" "-a" "9f7fccd16171cd47dbd8c5e8e90df6f9eeb5badbc63f49df72d581686230cbe4", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `self::alloc::*`
[INFO] [stdout]  --> src/host/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::alloc::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ws-sdk v0.1.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::alloc::*`
[INFO] [stdout]  --> src/host/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::alloc::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "9f7fccd16171cd47dbd8c5e8e90df6f9eeb5badbc63f49df72d581686230cbe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7fccd16171cd47dbd8c5e8e90df6f9eeb5badbc63f49df72d581686230cbe4", kill_on_drop: false }`
[INFO] [stdout] 9f7fccd16171cd47dbd8c5e8e90df6f9eeb5badbc63f49df72d581686230cbe4