[INFO] fetching crate flutter_rust_bridge_codegen 1.6.0...
[INFO] checking flutter_rust_bridge_codegen-1.6.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate flutter_rust_bridge_codegen 1.6.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate flutter_rust_bridge_codegen 1.6.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flutter_rust_bridge_codegen 1.6.0
[INFO] finished tweaking crates.io crate flutter_rust_bridge_codegen 1.6.0
[INFO] tweaked toml for crates.io crate flutter_rust_bridge_codegen 1.6.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate flutter_rust_bridge_codegen 1.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 494083e78d1db5ceca38ebbb85fd85675b8fc3dfa9abef7505bb227c9fc72830
[INFO] running `Command { std: "docker" "start" "-a" "494083e78d1db5ceca38ebbb85fd85675b8fc3dfa9abef7505bb227c9fc72830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "494083e78d1db5ceca38ebbb85fd85675b8fc3dfa9abef7505bb227c9fc72830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494083e78d1db5ceca38ebbb85fd85675b8fc3dfa9abef7505bb227c9fc72830", kill_on_drop: false }`
[INFO] [stdout] 494083e78d1db5ceca38ebbb85fd85675b8fc3dfa9abef7505bb227c9fc72830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c2c46bb7affb3dae546bdebe8f1afb45d74e4e3d0e1e447ede2a4cc9fe04edd
[INFO] running `Command { std: "docker" "start" "-a" "1c2c46bb7affb3dae546bdebe8f1afb45d74e4e3d0e1e447ede2a4cc9fe04edd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking proc-macro2 v1.0.32
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking flutter_rust_bridge_codegen v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "1c2c46bb7affb3dae546bdebe8f1afb45d74e4e3d0e1e447ede2a4cc9fe04edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2c46bb7affb3dae546bdebe8f1afb45d74e4e3d0e1e447ede2a4cc9fe04edd", kill_on_drop: false }`
[INFO] [stdout] 1c2c46bb7affb3dae546bdebe8f1afb45d74e4e3d0e1e447ede2a4cc9fe04edd