[INFO] fetching crate mls-rs-core 0.19.1...
[INFO] checking mls-rs-core-0.19.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate mls-rs-core 0.19.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mls-rs-core 0.19.1 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 mls-rs-core 0.19.1
[INFO] finished tweaking crates.io crate mls-rs-core 0.19.1
[INFO] tweaked toml for crates.io crate mls-rs-core 0.19.1 written to /workspace/builds/worker-6-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 109 packages to latest compatible versions
[INFO] [stderr]       Adding ext-trait v1.0.1 (latest: v2.0.0)
[INFO] [stderr]       Adding ext-trait-proc_macros v1.0.1 (latest: v2.0.0)
[INFO] [stderr]       Adding extension-traits v1.0.1 (latest: v2.0.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding macro_rules_attribute v0.1.3 (latest: v0.2.0)
[INFO] [stderr]       Adding macro_rules_attribute-proc_macro v0.1.3 (latest: v0.2.0)
[INFO] [stderr]       Adding prettyplease v0.1.25 (latest: v0.2.22)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding uninit v0.5.1 (latest: v0.6.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding with_builtin_macros v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding with_builtin_macros-proc_macros v0.0.3 (latest: v0.1.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safer-ffi-gen v0.9.2
[INFO] [stderr]   Downloaded stabby v36.1.1
[INFO] [stderr]   Downloaded uninit v0.5.1
[INFO] [stderr]   Downloaded mls-rs-codec-derive v0.1.1
[INFO] [stderr]   Downloaded mls-rs-codec v0.5.3
[INFO] [stderr]   Downloaded unwind_safe v0.1.0
[INFO] [stderr]   Downloaded safer_ffi-proc_macros v0.1.12
[INFO] [stderr]   Downloaded maybe-async v0.2.10
[INFO] [stderr]   Downloaded safer-ffi v0.1.12
[INFO] [stderr]   Downloaded stabby-abi v36.1.1
[INFO] [stderr]   Downloaded stabby-macros v36.1.1
[INFO] [stderr]   Downloaded safer-ffi-gen-macro v0.9.2
[INFO] [stderr]   Downloaded sha2-const-stable v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6d41aa2eafdae565bafdbb484cf156ff53bc79fe82db7d154ea9f115a45e8622
[INFO] running `Command { std: "docker" "start" "-a" "6d41aa2eafdae565bafdbb484cf156ff53bc79fe82db7d154ea9f115a45e8622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d41aa2eafdae565bafdbb484cf156ff53bc79fe82db7d154ea9f115a45e8622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d41aa2eafdae565bafdbb484cf156ff53bc79fe82db7d154ea9f115a45e8622", kill_on_drop: false }`
[INFO] [stdout] 6d41aa2eafdae565bafdbb484cf156ff53bc79fe82db7d154ea9f115a45e8622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7ec1bb482cd05a8c1e149b8437faaeea9785226d60b72a389c7332be3ab746f6
[INFO] running `Command { std: "docker" "start" "-a" "7ec1bb482cd05a8c1e149b8437faaeea9785226d60b72a389c7332be3ab746f6", kill_on_drop: false }`
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling mls-rs-codec-derive v0.1.1
[INFO] [stderr]     Checking mls-rs-codec v0.5.3
[INFO] [stderr]     Checking mls-rs-core v0.19.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "7ec1bb482cd05a8c1e149b8437faaeea9785226d60b72a389c7332be3ab746f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec1bb482cd05a8c1e149b8437faaeea9785226d60b72a389c7332be3ab746f6", kill_on_drop: false }`
[INFO] [stdout] 7ec1bb482cd05a8c1e149b8437faaeea9785226d60b72a389c7332be3ab746f6
[INFO] checking mls-rs-core-0.19.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate mls-rs-core 0.19.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mls-rs-core 0.19.1 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 mls-rs-core 0.19.1
[INFO] finished tweaking crates.io crate mls-rs-core 0.19.1
[INFO] tweaked toml for crates.io crate mls-rs-core 0.19.1 written to /workspace/builds/worker-6-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 109 packages to latest compatible versions
[INFO] [stderr]       Adding ext-trait v1.0.1 (latest: v2.0.0)
[INFO] [stderr]       Adding ext-trait-proc_macros v1.0.1 (latest: v2.0.0)
[INFO] [stderr]       Adding extension-traits v1.0.1 (latest: v2.0.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding macro_rules_attribute v0.1.3 (latest: v0.2.0)
[INFO] [stderr]       Adding macro_rules_attribute-proc_macro v0.1.3 (latest: v0.2.0)
[INFO] [stderr]       Adding prettyplease v0.1.25 (latest: v0.2.22)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding uninit v0.5.1 (latest: v0.6.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding with_builtin_macros v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding with_builtin_macros-proc_macros v0.0.3 (latest: v0.1.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e687db42f01cf30b9ee9b1bed72a7b8bbbff7e0c6023e09e7d74a9ebf7a4fb84
[INFO] running `Command { std: "docker" "start" "-a" "e687db42f01cf30b9ee9b1bed72a7b8bbbff7e0c6023e09e7d74a9ebf7a4fb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e687db42f01cf30b9ee9b1bed72a7b8bbbff7e0c6023e09e7d74a9ebf7a4fb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e687db42f01cf30b9ee9b1bed72a7b8bbbff7e0c6023e09e7d74a9ebf7a4fb84", kill_on_drop: false }`
[INFO] [stdout] e687db42f01cf30b9ee9b1bed72a7b8bbbff7e0c6023e09e7d74a9ebf7a4fb84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 75da6a105a5d17710400fe13490d294ef3ab2b9584591aa5030e5721f85b612c
[INFO] running `Command { std: "docker" "start" "-a" "75da6a105a5d17710400fe13490d294ef3ab2b9584591aa5030e5721f85b612c", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling mls-rs-codec-derive v0.1.1
[INFO] [stderr]     Checking mls-rs-codec v0.5.3
[INFO] [stderr]     Checking mls-rs-core v0.19.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.59s
[INFO] running `Command { std: "docker" "inspect" "75da6a105a5d17710400fe13490d294ef3ab2b9584591aa5030e5721f85b612c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75da6a105a5d17710400fe13490d294ef3ab2b9584591aa5030e5721f85b612c", kill_on_drop: false }`
[INFO] [stdout] 75da6a105a5d17710400fe13490d294ef3ab2b9584591aa5030e5721f85b612c