[INFO] fetching crate tracing-cloudwatch 0.1.1...
[INFO] checking tracing-cloudwatch-0.1.1 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113242
[INFO] extracting crate tracing-cloudwatch 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate tracing-cloudwatch 0.1.1 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-cloudwatch 0.1.1
[INFO] finished tweaking crates.io crate tracing-cloudwatch 0.1.1
[INFO] tweaked toml for crates.io crate tracing-cloudwatch 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate tracing-cloudwatch 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aws-smithy-query v0.55.2
[INFO] [stderr]   Downloaded aws-smithy-xml v0.55.2
[INFO] [stderr]   Downloaded aws-sig-auth v0.55.2
[INFO] [stderr]   Downloaded rusoto_signature v0.48.0
[INFO] [stderr]   Downloaded outref v0.5.1
[INFO] [stderr]   Downloaded urlencoding v2.1.2
[INFO] [stderr]   Downloaded aws-smithy-async v0.55.2
[INFO] [stderr]   Downloaded aws-credential-types v0.55.2
[INFO] [stderr]   Downloaded aws-sigv4 v0.55.2
[INFO] [stderr]   Downloaded aws-smithy-client v0.55.2
[INFO] [stderr]   Downloaded aws-sdk-sts v0.27.0
[INFO] [stderr]   Downloaded xml-rs v0.8.7
[INFO] [stderr]   Downloaded libc v0.2.143
[INFO] [stderr]   Downloaded tokio v1.28.0
[INFO] [stderr]   Downloaded aws-config v0.55.2
[INFO] [stderr]   Downloaded aws-sdk-cloudwatchlogs v0.27.0
[INFO] [stderr]   Downloaded aws-smithy-http v0.55.2
[INFO] [stderr]   Downloaded aws-smithy-types v0.55.2
[INFO] [stderr]   Downloaded serde v1.0.162
[INFO] [stderr]   Downloaded bumpalo v3.12.1
[INFO] [stderr]   Downloaded aws-sdk-sso v0.27.0
[INFO] [stderr]   Downloaded rusoto_credential v0.48.0
[INFO] [stderr]   Downloaded serde_derive v1.0.162
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.55.2
[INFO] [stderr]   Downloaded vsimd v0.8.0
[INFO] [stderr]   Downloaded base64-simd v0.8.0
[INFO] [stderr]   Downloaded aws-types v0.55.2
[INFO] [stderr]   Downloaded aws-endpoint v0.55.2
[INFO] [stderr]   Downloaded aws-http v0.55.2
[INFO] [stderr]   Downloaded rusoto_core v0.48.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.2
[INFO] [stderr]   Downloaded bytes-utils v0.1.3
[INFO] [stderr]   Downloaded rusoto_logs v0.48.0
[INFO] [stderr]   Downloaded aws-smithy-json v0.55.2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 425832d9978fffcb42e8c64ea6c6e8bc1146ce35f14edea6a7c4b2a2205384aa
[INFO] running `Command { std: "docker" "start" "-a" "425832d9978fffcb42e8c64ea6c6e8bc1146ce35f14edea6a7c4b2a2205384aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "425832d9978fffcb42e8c64ea6c6e8bc1146ce35f14edea6a7c4b2a2205384aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425832d9978fffcb42e8c64ea6c6e8bc1146ce35f14edea6a7c4b2a2205384aa", kill_on_drop: false }`
[INFO] [stdout] 425832d9978fffcb42e8c64ea6c6e8bc1146ce35f14edea6a7c4b2a2205384aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13e25f0ec6db3fe4916460ba4694f7e2d6a333f998c6b5b89a81a881bbc5b441
[INFO] running `Command { std: "docker" "start" "-a" "13e25f0ec6db3fe4916460ba4694f7e2d6a333f998c6b5b89a81a881bbc5b441", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.143
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stdout] error: aborting due to 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" "13e25f0ec6db3fe4916460ba4694f7e2d6a333f998c6b5b89a81a881bbc5b441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e25f0ec6db3fe4916460ba4694f7e2d6a333f998c6b5b89a81a881bbc5b441", kill_on_drop: false }`
[INFO] [stdout] 13e25f0ec6db3fe4916460ba4694f7e2d6a333f998c6b5b89a81a881bbc5b441