[INFO] fetching crate assemblylift-awslambda-host 0.1.2...
[INFO] checking assemblylift-awslambda-host-0.1.2 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate assemblylift-awslambda-host 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate assemblylift-awslambda-host 0.1.2 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assemblylift-awslambda-host 0.1.2
[INFO] finished tweaking crates.io crate assemblylift-awslambda-host 0.1.2
[INFO] tweaked toml for crates.io crate assemblylift-awslambda-host 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate assemblylift-awslambda-host 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno v0.2.5
[INFO] [stderr]   Downloaded assemblylift-awslambda-iomod v0.1.2
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54a69fec78dee4b1fca2cb72e1e1d175b468cc66fa296fecfb982d6ac589cafe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54a69fec78dee4b1fca2cb72e1e1d175b468cc66fa296fecfb982d6ac589cafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54a69fec78dee4b1fca2cb72e1e1d175b468cc66fa296fecfb982d6ac589cafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a69fec78dee4b1fca2cb72e1e1d175b468cc66fa296fecfb982d6ac589cafe", kill_on_drop: false }`
[INFO] [stdout] 54a69fec78dee4b1fca2cb72e1e1d175b468cc66fa296fecfb982d6ac589cafe
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d58c860a8bd939c62346928794178b98db903454e4061e51fc1e5c13f00eecbd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d58c860a8bd939c62346928794178b98db903454e4061e51fc1e5c13f00eecbd", kill_on_drop: false }`
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[INFO] [stderr]     Checking wasmer-runtime-asml-fork v0.1.1
[INFO] [stderr]     Checking assemblylift-core v0.1.1
[INFO] [stderr]     Checking assemblylift-awslambda-iomod v0.1.2
[INFO] [stderr]     Checking assemblylift-awslambda-host v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         scope(|s| {
[INFO] [stdout] 74 | |             s.spawn(|_| {
[INFO] [stdout] 75 | |                 let locked = instance.lock().unwrap();
[INFO] [stdout] 76 | |                 write_event_buffer(&locked, event.event_body);
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |             });
[INFO] [stdout] 84 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         scope(|s| {
[INFO] [stdout] 74 | |             s.spawn(|_| {
[INFO] [stdout] 75 | |                 let locked = instance.lock().unwrap();
[INFO] [stdout] 76 | |                 write_event_buffer(&locked, event.event_body);
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |             });
[INFO] [stdout] 84 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 48s
[INFO] running `Command { std: "docker" "inspect" "d58c860a8bd939c62346928794178b98db903454e4061e51fc1e5c13f00eecbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58c860a8bd939c62346928794178b98db903454e4061e51fc1e5c13f00eecbd", kill_on_drop: false }`
[INFO] [stdout] d58c860a8bd939c62346928794178b98db903454e4061e51fc1e5c13f00eecbd
