[INFO] fetching crate xstack 0.2.16... [INFO] checking xstack-0.2.16 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate xstack 0.2.16 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate xstack 0.2.16 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xstack 0.2.16 [INFO] finished tweaking crates.io crate xstack 0.2.16 [INFO] tweaked toml for crates.io crate xstack 0.2.16 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 175 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.1) [INFO] [stderr] Adding block-buffer v0.9.0 (latest: v0.10.4) [INFO] [stderr] Adding crypto-mac v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding digest v0.9.0 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.1.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding hmac v0.8.1 (latest: v0.12.1) [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding sha2 v0.9.9 (latest: v0.10.8) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding unsigned-varint v0.7.2 (latest: v0.8.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding which v4.4.2 (latest: v6.0.3) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded protobuf-parse v3.5.1 [INFO] [stderr] Downloaded futures-map v0.2.4 [INFO] [stderr] Downloaded rasi v0.2.4 [INFO] [stderr] Downloaded unsigned-varint v0.7.2 [INFO] [stderr] Downloaded cooked-waker v5.0.0 [INFO] [stderr] Downloaded multiaddr v0.18.1 [INFO] [stderr] Downloaded quick-protobuf v0.8.1 [INFO] [stderr] Downloaded libp2p-identity v0.2.9 [INFO] [stderr] Downloaded protobuf-codegen v3.5.1 [INFO] [stderr] Downloaded asn1_der v0.7.6 [INFO] [stderr] Downloaded core2 v0.4.0 [INFO] [stderr] Downloaded multihash v0.19.1 [INFO] [stderr] Downloaded multistream-select v0.13.0 [INFO] [stderr] Downloaded bitmask-enum v2.2.4 [INFO] [stderr] Downloaded unsigned-varint v0.8.0 [INFO] [stderr] Downloaded data-encoding-macro-internal v0.1.13 [INFO] [stderr] Downloaded data-encoding-macro v0.1.15 [INFO] [stderr] Downloaded multibase v0.9.1 [INFO] [stderr] Downloaded protoc-bin-vendored v3.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c416fdea518b372590d9bbf09311dc4c041a2484da84486142d24c4b4dba0e63 [INFO] running `Command { std: "docker" "start" "-a" "c416fdea518b372590d9bbf09311dc4c041a2484da84486142d24c4b4dba0e63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c416fdea518b372590d9bbf09311dc4c041a2484da84486142d24c4b4dba0e63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c416fdea518b372590d9bbf09311dc4c041a2484da84486142d24c4b4dba0e63", kill_on_drop: false }` [INFO] [stdout] c416fdea518b372590d9bbf09311dc4c041a2484da84486142d24c4b4dba0e63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 825b35654ef44c19ebe35568eb12ddd043fc3717a219424c07c741141a5f6bca [INFO] running `Command { std: "docker" "start" "-a" "825b35654ef44c19ebe35568eb12ddd043fc3717a219424c07c741141a5f6bca", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling curve25519-dalek-derive v0.1.1 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Checking unsigned-varint v0.7.2 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling data-encoding v2.6.0 [INFO] [stderr] Checking signature v2.2.0 [INFO] [stderr] Checking core2 v0.4.0 [INFO] [stderr] Compiling bigdecimal v0.4.5 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking ed25519 v2.2.3 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking multihash v0.19.1 [INFO] [stderr] Checking bs58 v0.5.1 [INFO] [stderr] Checking quick-protobuf v0.8.1 [INFO] [stderr] Checking base-x v0.2.11 [INFO] [stderr] Compiling protobuf v3.5.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Compiling bitmask-enum v2.2.4 [INFO] [stderr] Checking hkdf v0.12.4 [INFO] [stderr] Checking arrayref v0.3.8 [INFO] [stderr] Checking cooked-waker v5.0.0 [INFO] [stderr] Compiling async-trait v0.1.81 [INFO] [stderr] Compiling curve25519-dalek v4.1.3 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Compiling data-encoding-macro-internal v0.1.13 [INFO] [stderr] Checking protobuf-support v3.5.1 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking data-encoding-macro v0.1.15 [INFO] [stderr] Checking multibase v0.9.1 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ed25519-dalek v2.1.1 [INFO] [stderr] Checking libp2p-identity v0.2.9 [INFO] [stderr] Checking multiaddr v0.18.1 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking unsigned-varint v0.8.0 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking futures-map v0.2.4 [INFO] [stderr] Checking rasi v0.2.4 [INFO] [stderr] Checking multistream-select v0.13.0 [INFO] [stderr] Checking xstack v0.2.16 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.64s [INFO] running `Command { std: "docker" "inspect" "825b35654ef44c19ebe35568eb12ddd043fc3717a219424c07c741141a5f6bca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "825b35654ef44c19ebe35568eb12ddd043fc3717a219424c07c741141a5f6bca", kill_on_drop: false }` [INFO] [stdout] 825b35654ef44c19ebe35568eb12ddd043fc3717a219424c07c741141a5f6bca [INFO] checking xstack-0.2.16 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate xstack 0.2.16 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate xstack 0.2.16 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xstack 0.2.16 [INFO] finished tweaking crates.io crate xstack 0.2.16 [INFO] tweaked toml for crates.io crate xstack 0.2.16 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 175 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.1) [INFO] [stderr] Adding block-buffer v0.9.0 (latest: v0.10.4) [INFO] [stderr] Adding crypto-mac v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding digest v0.9.0 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.1.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding hmac v0.8.1 (latest: v0.12.1) [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding sha2 v0.9.9 (latest: v0.10.8) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding unsigned-varint v0.7.2 (latest: v0.8.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding which v4.4.2 (latest: v6.0.3) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6434816376e02e7527672f64edd7aeb667858fad2a705972437326f3f312a1e2 [INFO] running `Command { std: "docker" "start" "-a" "6434816376e02e7527672f64edd7aeb667858fad2a705972437326f3f312a1e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6434816376e02e7527672f64edd7aeb667858fad2a705972437326f3f312a1e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6434816376e02e7527672f64edd7aeb667858fad2a705972437326f3f312a1e2", kill_on_drop: false }` [INFO] [stdout] 6434816376e02e7527672f64edd7aeb667858fad2a705972437326f3f312a1e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e8f5ad0ab6d9b1182a4abf9f1b9e31714b3120a6345ab4e74ca5cc40e8345f3 [INFO] running `Command { std: "docker" "start" "-a" "4e8f5ad0ab6d9b1182a4abf9f1b9e31714b3120a6345ab4e74ca5cc40e8345f3", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking signature v2.2.0 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Checking unsigned-varint v0.7.2 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling curve25519-dalek-derive v0.1.1 [INFO] [stderr] Compiling data-encoding v2.6.0 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking core2 v0.4.0 [INFO] [stderr] Checking ed25519 v2.2.3 [INFO] [stderr] Compiling bigdecimal v0.4.5 [INFO] [stderr] Checking quick-protobuf v0.8.1 [INFO] [stderr] Checking bs58 v0.5.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking multihash v0.19.1 [INFO] [stderr] Checking base-x v0.2.11 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Compiling protobuf v3.5.1 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Compiling bitmask-enum v2.2.4 [INFO] [stderr] Checking arrayref v0.3.8 [INFO] [stderr] Checking hkdf v0.12.4 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Checking cooked-waker v5.0.0 [INFO] [stderr] Compiling async-trait v0.1.81 [INFO] [stderr] Compiling curve25519-dalek v4.1.3 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking protobuf-support v3.5.1 [INFO] [stderr] Compiling data-encoding-macro-internal v0.1.13 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking data-encoding-macro v0.1.15 [INFO] [stderr] Checking multibase v0.9.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking ed25519-dalek v2.1.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking unsigned-varint v0.8.0 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking libp2p-identity v0.2.9 [INFO] [stderr] Checking multistream-select v0.13.0 [INFO] [stderr] Checking futures-map v0.2.4 [INFO] [stderr] Checking rasi v0.2.4 [INFO] [stderr] Checking multiaddr v0.18.1 [INFO] [stderr] Checking xstack v0.2.16 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.02s [INFO] running `Command { std: "docker" "inspect" "4e8f5ad0ab6d9b1182a4abf9f1b9e31714b3120a6345ab4e74ca5cc40e8345f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e8f5ad0ab6d9b1182a4abf9f1b9e31714b3120a6345ab4e74ca5cc40e8345f3", kill_on_drop: false }` [INFO] [stdout] 4e8f5ad0ab6d9b1182a4abf9f1b9e31714b3120a6345ab4e74ca5cc40e8345f3