[INFO] fetching crate flo_scene_guest 0.2.0...
[INFO] checking flo_scene_guest-0.2.0 against c79f6bc4fc2389852aeff667626cb3e58adfe71c for pr-164081
[INFO] extracting crate flo_scene_guest 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate flo_scene_guest 0.2.0
[INFO] finished tweaking crates.io crate flo_scene_guest 0.2.0
[INFO] tweaked toml for crates.io crate flo_scene_guest 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flo_scene_guest 0.2.0 on toolchain c79f6bc4fc2389852aeff667626cb3e58adfe71c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flo_scene_guest 0.2.0 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" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 54a412ecd44d49f2c06b1ab2540d47c09ea451b8325f28694e3423fed5db0d28
[INFO] running `Command { std: "docker" "start" "54a412ecd44d49f2c06b1ab2540d47c09ea451b8325f28694e3423fed5db0d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54a412ecd44d49f2c06b1ab2540d47c09ea451b8325f28694e3423fed5db0d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54a412ecd44d49f2c06b1ab2540d47c09ea451b8325f28694e3423fed5db0d28" "/opt/rustwide/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54a412ecd44d49f2c06b1ab2540d47c09ea451b8325f28694e3423fed5db0d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54a412ecd44d49f2c06b1ab2540d47c09ea451b8325f28694e3423fed5db0d28" "/opt/rustwide/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking uuid v1.16.0
[INFO] [stderr]     Checking postcard v1.1.1
[INFO] [stderr]     Checking flo_scene_guest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `alloc::boxed::*`
[INFO] [stdout]   --> src/runtime/runtime.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use alloc::boxed::*;
[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 import: `alloc::boxed::*`
[INFO] [stdout]   --> src/runtime/runtime.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use alloc::boxed::*;
[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 17.07s
[INFO] running `Command { std: "docker" "inspect" "54a412ecd44d49f2c06b1ab2540d47c09ea451b8325f28694e3423fed5db0d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a412ecd44d49f2c06b1ab2540d47c09ea451b8325f28694e3423fed5db0d28", kill_on_drop: false }`
[INFO] [stdout] 54a412ecd44d49f2c06b1ab2540d47c09ea451b8325f28694e3423fed5db0d28
