[INFO] fetching crate wasmerenv 0.1.1...
[INFO] testing wasmerenv-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate wasmerenv 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate wasmerenv 0.1.1
[INFO] finished tweaking crates.io crate wasmerenv 0.1.1
[INFO] tweaked toml for crates.io crate wasmerenv 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasmerenv 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wasmerenv 0.1.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v4.4.0
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded tar v0.4.38
[INFO] [stderr]   Downloaded ipnet v2.7.2
[INFO] [stderr]   Downloaded rustversion v1.0.12
[INFO] [stderr]   Downloaded miniz_oxide v0.6.2
[INFO] [stderr]   Downloaded comfy-table v6.1.4
[INFO] [stderr]   Downloaded clap v4.2.4
[INFO] [stderr]   Downloaded clap_builder v4.2.4
[INFO] [stderr]   Downloaded flate2 v1.0.25
[INFO] [stderr]   Downloaded openssl-sys v0.9.85
[INFO] [stderr]   Downloaded hyper v0.14.26
[INFO] [stderr]   Downloaded portable-atomic v0.3.19
[INFO] [stderr]   Downloaded openssl v0.10.50
[INFO] [stderr]   Downloaded indicatif v0.17.3
[INFO] [stderr]   Downloaded directories v5.0.0
[INFO] [stderr]   Downloaded is_executable v1.0.1
[INFO] [stderr]   Downloaded reqwest v0.11.16
[INFO] [stderr]   Downloaded rustix v0.37.12
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.3
[INFO] [stderr]   Downloaded h2 v0.3.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed38020e95d2779045886e170efb96508ea3a9a36cadffea903865ca716d558e
[INFO] running `Command { std: "docker" "start" "-a" "ed38020e95d2779045886e170efb96508ea3a9a36cadffea903865ca716d558e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed38020e95d2779045886e170efb96508ea3a9a36cadffea903865ca716d558e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed38020e95d2779045886e170efb96508ea3a9a36cadffea903865ca716d558e", kill_on_drop: false }`
[INFO] [stdout] ed38020e95d2779045886e170efb96508ea3a9a36cadffea903865ca716d558e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a642e43395665e18dd88aecfd6c678e7655682a68af3dc251ebb5ebc96ef3c5
[INFO] running `Command { std: "docker" "start" "-a" "4a642e43395665e18dd88aecfd6c678e7655682a68af3dc251ebb5ebc96ef3c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling rustix v0.37.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling openssl v0.10.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling linux-raw-sys v0.3.3
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4a642e43395665e18dd88aecfd6c678e7655682a68af3dc251ebb5ebc96ef3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a642e43395665e18dd88aecfd6c678e7655682a68af3dc251ebb5ebc96ef3c5", kill_on_drop: false }`
[INFO] [stdout] 4a642e43395665e18dd88aecfd6c678e7655682a68af3dc251ebb5ebc96ef3c5