[INFO] fetching crate wasefire-protocol 0.4.0...
[INFO] checking wasefire-protocol-0.4.0 against try#1c4199da70f816f2239f41c55168ff75a3663718 for pr-155499
[INFO] extracting crate wasefire-protocol 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate wasefire-protocol 0.4.0
[INFO] finished tweaking crates.io crate wasefire-protocol 0.4.0
[INFO] tweaked toml for crates.io crate wasefire-protocol 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasefire-protocol 0.4.0 on toolchain 1c4199da70f816f2239f41c55168ff75a3663718
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wasefire-protocol 0.4.0 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" "+1c4199da70f816f2239f41c55168ff75a3663718" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3ec899476f67e808bdc0e80db279578e4d1896ca034c15e757ac825fa08fada
[INFO] running `Command { std: "docker" "start" "-a" "d3ec899476f67e808bdc0e80db279578e4d1896ca034c15e757ac825fa08fada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3ec899476f67e808bdc0e80db279578e4d1896ca034c15e757ac825fa08fada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ec899476f67e808bdc0e80db279578e4d1896ca034c15e757ac825fa08fada", kill_on_drop: false }`
[INFO] [stdout] d3ec899476f67e808bdc0e80db279578e4d1896ca034c15e757ac825fa08fada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 873c0b7e229b2639871414b934061d703bda4d9fd368e07ca15a40af3f935c4b
[INFO] running `Command { std: "docker" "start" "-a" "873c0b7e229b2639871414b934061d703bda4d9fd368e07ca15a40af3f935c4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking wasefire-sync v0.1.3
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]    Compiling wasefire-wire-derive v0.1.3
[INFO] [stderr]     Checking num_enum v0.7.5
[INFO] [stderr]     Checking wasefire-error v0.1.4
[INFO] [stderr]     Checking wasefire-common v0.1.1
[INFO] [stderr]     Checking wasefire-wire v0.1.3
[INFO] [stderr]     Checking wasefire-protocol v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `never_type` has been stable since 1.97.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(never_type)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `never_type` has been stable since 1.97.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(never_type)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.75s
[INFO] running `Command { std: "docker" "inspect" "873c0b7e229b2639871414b934061d703bda4d9fd368e07ca15a40af3f935c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873c0b7e229b2639871414b934061d703bda4d9fd368e07ca15a40af3f935c4b", kill_on_drop: false }`
[INFO] [stdout] 873c0b7e229b2639871414b934061d703bda4d9fd368e07ca15a40af3f935c4b