[INFO] fetching crate portal-jsc-jacon-backend 0.8.0-pre.0...
[INFO] building portal-jsc-jacon-backend-0.8.0-pre.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate portal-jsc-jacon-backend 0.8.0-pre.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate portal-jsc-jacon-backend 0.8.0-pre.0
[INFO] finished tweaking crates.io crate portal-jsc-jacon-backend 0.8.0-pre.0
[INFO] tweaked toml for crates.io crate portal-jsc-jacon-backend 0.8.0-pre.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate portal-jsc-jacon-backend 0.8.0-pre.0 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] crate crates.io crate portal-jsc-jacon-backend 0.8.0-pre.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded portal-jsc-mob-backend-common v0.8.0-pre.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 66ccb306e8545c4048eaad36b153871e7f9ae251da55f0b38d84d2102fbe81b5
[INFO] running `Command { std: "docker" "start" "-a" "66ccb306e8545c4048eaad36b153871e7f9ae251da55f0b38d84d2102fbe81b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66ccb306e8545c4048eaad36b153871e7f9ae251da55f0b38d84d2102fbe81b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ccb306e8545c4048eaad36b153871e7f9ae251da55f0b38d84d2102fbe81b5", kill_on_drop: false }`
[INFO] [stdout] 66ccb306e8545c4048eaad36b153871e7f9ae251da55f0b38d84d2102fbe81b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f8ab06a72d6a9d4886fd68bf221ebc218f108b7b57b16029918efc7f0f59e353
[INFO] running `Command { std: "docker" "start" "-a" "f8ab06a72d6a9d4886fd68bf221ebc218f108b7b57b16029918efc7f0f59e353", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling portal-jsc-mob-backend-common v0.8.0-pre.0
[INFO] [stderr]    Compiling portal-jsc-jacon-backend v0.8.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `String`, `ToString`, `Vec`, `self`, and `sync::Arc`
[INFO] [stdout]  --> src/lib.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     string::{String, ToString},
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^^
[INFO] [stdout] 8 |     sync::Arc,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 9 |     vec::{self, Vec},
[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 1.80s
[INFO] running `Command { std: "docker" "inspect" "f8ab06a72d6a9d4886fd68bf221ebc218f108b7b57b16029918efc7f0f59e353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ab06a72d6a9d4886fd68bf221ebc218f108b7b57b16029918efc7f0f59e353", kill_on_drop: false }`
[INFO] [stdout] f8ab06a72d6a9d4886fd68bf221ebc218f108b7b57b16029918efc7f0f59e353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ed84e9ef69f63963213e6ded4683c871ea67fc85318f9b4e5f6bb953f5a79af7
[INFO] running `Command { std: "docker" "start" "-a" "ed84e9ef69f63963213e6ded4683c871ea67fc85318f9b4e5f6bb953f5a79af7", kill_on_drop: false }`
[INFO] [stderr]    Compiling portal-jsc-jacon-backend v0.8.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `String`, `ToString`, `Vec`, `self`, and `sync::Arc`
[INFO] [stdout]  --> src/lib.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     string::{String, ToString},
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^^
[INFO] [stdout] 8 |     sync::Arc,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 9 |     vec::{self, Vec},
[INFO] [stdout]   |           ^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `String`, `ToString`, `Vec`, `self`, and `sync::Arc`
[INFO] [stdout]  --> src/lib.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     string::{String, ToString},
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^^
[INFO] [stdout] 8 |     sync::Arc,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 9 |     vec::{self, Vec},
[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 0.70s
[INFO] running `Command { std: "docker" "inspect" "ed84e9ef69f63963213e6ded4683c871ea67fc85318f9b4e5f6bb953f5a79af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed84e9ef69f63963213e6ded4683c871ea67fc85318f9b4e5f6bb953f5a79af7", kill_on_drop: false }`
[INFO] [stdout] ed84e9ef69f63963213e6ded4683c871ea67fc85318f9b4e5f6bb953f5a79af7