[INFO] fetching crate awssnapio 0.1.0...
[INFO] checking awssnapio-0.1.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate awssnapio 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate awssnapio 0.1.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate awssnapio 0.1.0
[INFO] finished tweaking crates.io crate awssnapio 0.1.0
[INFO] tweaked toml for crates.io crate awssnapio 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate awssnapio 0.1.0 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2 v0.10.6
[INFO] [stderr]   Downloaded snafu-derive v0.7.3
[INFO] [stderr]   Downloaded snafu v0.7.3
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://static.crates.io/crates/aws-smithy-json/0.51.0/download` (151.101.2.137), got 502
[INFO] [stderr] body:
[INFO] [stderr] I/O error
[INFO] [stderr]   Downloaded aws-sdk-sso v0.21.0
[INFO] [stderr]   Downloaded aws-config v0.51.0
[INFO] [stderr]   Downloaded aws-http v0.51.0
[INFO] [stderr]   Downloaded hyper v0.14.22
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded aws-sigv4 v0.51.0
[INFO] [stderr]   Downloaded aws-sdk-sts v0.21.0
[INFO] [stderr]   Downloaded aws-sig-auth v0.51.0
[INFO] [stderr]   Downloaded xmlparser v0.13.5
[INFO] [stderr]   Downloaded aws-smithy-xml v0.51.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.11
[INFO] [stderr]   Downloaded aws-smithy-async v0.51.0
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.1
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.2
[INFO] [stderr]   Downloaded tower v0.4.13
[INFO] [stderr]   Downloaded aws-smithy-client v0.51.0
[INFO] [stderr]   Downloaded aws-smithy-http v0.51.0
[INFO] [stderr]   Downloaded time-macros v0.2.5
[INFO] [stderr]   Downloaded os_str_bytes v6.3.1
[INFO] [stderr]   Downloaded cc v1.0.74
[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded aws-endpoint v0.51.0
[INFO] [stderr]   Downloaded urlencoding v2.1.2
[INFO] [stderr]   Downloaded aws-smithy-query v0.51.0
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.51.0
[INFO] [stderr]   Downloaded hyper-rustls v0.23.1
[INFO] [stderr]   Downloaded tower-layer v0.3.2
[INFO] [stderr]   Downloaded bytes-utils v0.1.3
[INFO] [stderr]   Downloaded aws-types v0.51.0
[INFO] [stderr]   Downloaded digest v0.10.5
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://static.crates.io/crates/aws-sdk-ebs/0.21.0/download` (151.101.2.137), got 502
[INFO] [stderr] body:
[INFO] [stderr] I/O error
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://static.crates.io/crates/time/0.3.16/download` (151.101.2.137), got 502
[INFO] [stderr] body:
[INFO] [stderr] I/O error
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://static.crates.io/crates/aws-smithy-types/0.51.0/download` (151.101.2.137), got 502
[INFO] [stderr] body:
[INFO] [stderr] I/O error
[INFO] [stderr]   Downloaded block-buffer v0.10.3
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://static.crates.io/crates/num_cpus/1.14.0/download` (151.101.2.137), got 502
[INFO] [stderr] body:
[INFO] [stderr] I/O error
[INFO] [stderr]   Downloaded windows v0.43.0
[INFO] [stderr]   Downloaded aws-sdk-ec2 v0.21.0
[INFO] [stderr]   Downloaded aws-smithy-json v0.51.0
[INFO] [stderr]   Downloaded aws-smithy-types v0.51.0
[INFO] [stderr]   Downloaded num_cpus v1.14.0
[INFO] [stderr]   Downloaded time v0.3.16
[INFO] [stderr]   Downloaded aws-sdk-ebs v0.21.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52b757145d2e9cd70b22ac7a3852724c7961d572f3ea863fd47e0a0cb29cb404
[INFO] running `Command { std: "docker" "start" "-a" "52b757145d2e9cd70b22ac7a3852724c7961d572f3ea863fd47e0a0cb29cb404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52b757145d2e9cd70b22ac7a3852724c7961d572f3ea863fd47e0a0cb29cb404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b757145d2e9cd70b22ac7a3852724c7961d572f3ea863fd47e0a0cb29cb404", kill_on_drop: false }`
[INFO] [stdout] 52b757145d2e9cd70b22ac7a3852724c7961d572f3ea863fd47e0a0cb29cb404
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c889e42bd6059f4e71e4f54b0501ec127d6c31f90166feaf3195226c13eeda50
[INFO] running `Command { std: "docker" "start" "-a" "c889e42bd6059f4e71e4f54b0501ec127d6c31f90166feaf3195226c13eeda50", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking time v0.3.16
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.1
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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]     Checking want v0.3.0
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]     Checking bytes-utils v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking xmlparser v0.13.5
[INFO] [stderr]     Checking urlencoding v2.1.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c889e42bd6059f4e71e4f54b0501ec127d6c31f90166feaf3195226c13eeda50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c889e42bd6059f4e71e4f54b0501ec127d6c31f90166feaf3195226c13eeda50", kill_on_drop: false }`
[INFO] [stdout] c889e42bd6059f4e71e4f54b0501ec127d6c31f90166feaf3195226c13eeda50
