[INFO] fetching crate nightly-async-nats 0.27.1...
[INFO] checking nightly-async-nats-0.27.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate nightly-async-nats 0.27.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate nightly-async-nats 0.27.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nightly-async-nats 0.27.1
[INFO] finished tweaking crates.io crate nightly-async-nats 0.27.1
[INFO] tweaked toml for crates.io crate nightly-async-nats 0.27.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate nightly-async-nats 0.27.1 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_nanos v0.1.2
[INFO] [stderr]   Downloaded zeroize_derive v1.3.3
[INFO] [stderr]   Downloaded subslice v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31808ea808ba883e9ce4a603dcc9e58718fd9d5a973367151917a57793cc1db2
[INFO] running `Command { std: "docker" "start" "-a" "31808ea808ba883e9ce4a603dcc9e58718fd9d5a973367151917a57793cc1db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31808ea808ba883e9ce4a603dcc9e58718fd9d5a973367151917a57793cc1db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31808ea808ba883e9ce4a603dcc9e58718fd9d5a973367151917a57793cc1db2", kill_on_drop: false }`
[INFO] [stdout] 31808ea808ba883e9ce4a603dcc9e58718fd9d5a973367151917a57793cc1db2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e2b24c1cb4875c1d006dc74b204a98114f89e58e6e196550af739e3e676f5f6
[INFO] running `Command { std: "docker" "start" "-a" "5e2b24c1cb4875c1d006dc74b204a98114f89e58e6e196550af739e3e676f5f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 either v1.8.1
[INFO] [stderr]     Checking base64ct v1.1.1
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking der v0.4.5
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking tracing-core v0.1.30
[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]    Compiling num-traits v0.2.15
[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" "5e2b24c1cb4875c1d006dc74b204a98114f89e58e6e196550af739e3e676f5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2b24c1cb4875c1d006dc74b204a98114f89e58e6e196550af739e3e676f5f6", kill_on_drop: false }`
[INFO] [stdout] 5e2b24c1cb4875c1d006dc74b204a98114f89e58e6e196550af739e3e676f5f6
[INFO] checking nightly-async-nats-0.27.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate nightly-async-nats 0.27.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate nightly-async-nats 0.27.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nightly-async-nats 0.27.1
[INFO] finished tweaking crates.io crate nightly-async-nats 0.27.1
[INFO] tweaked toml for crates.io crate nightly-async-nats 0.27.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate nightly-async-nats 0.27.1 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c96fbbf1eec0bc78be91a679b1843bca0c6ff7fe0a7b34fd1d015fc1c032c6b3
[INFO] running `Command { std: "docker" "start" "-a" "c96fbbf1eec0bc78be91a679b1843bca0c6ff7fe0a7b34fd1d015fc1c032c6b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c96fbbf1eec0bc78be91a679b1843bca0c6ff7fe0a7b34fd1d015fc1c032c6b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96fbbf1eec0bc78be91a679b1843bca0c6ff7fe0a7b34fd1d015fc1c032c6b3", kill_on_drop: false }`
[INFO] [stdout] c96fbbf1eec0bc78be91a679b1843bca0c6ff7fe0a7b34fd1d015fc1c032c6b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c701e8db94ba1e61e4d926b169b1c2f89b12df21d2ab66c81d28e9c8dfd685c5
[INFO] running `Command { std: "docker" "start" "-a" "c701e8db94ba1e61e4d926b169b1c2f89b12df21d2ab66c81d28e9c8dfd685c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 either v1.8.1
[INFO] [stderr]     Checking der v0.4.5
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking base64ct v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking pem-rfc7468 v0.2.4
[INFO] [stderr]    Compiling rustls v0.20.8
[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]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[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" "c701e8db94ba1e61e4d926b169b1c2f89b12df21d2ab66c81d28e9c8dfd685c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c701e8db94ba1e61e4d926b169b1c2f89b12df21d2ab66c81d28e9c8dfd685c5", kill_on_drop: false }`
[INFO] [stdout] c701e8db94ba1e61e4d926b169b1c2f89b12df21d2ab66c81d28e9c8dfd685c5
