[INFO] fetching crate esp-at-nal 0.2.1...
[INFO] checking esp-at-nal-0.2.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate esp-at-nal 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate esp-at-nal 0.2.1 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 esp-at-nal 0.2.1
[INFO] finished tweaking crates.io crate esp-at-nal 0.2.1
[INFO] tweaked toml for crates.io crate esp-at-nal 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate esp-at-nal 0.2.1 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 numtoa v0.2.4
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.10
[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded critical-section v0.2.7
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded mockall_derive v0.11.2
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded fragile v1.2.1
[INFO] [stderr]   Downloaded mockall v0.11.2
[INFO] [stderr]   Downloaded atat_derive v0.18.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.9
[INFO] [stderr]   Downloaded heapless-bytes v0.3.0
[INFO] [stderr]   Downloaded atat v0.18.0
[INFO] [stderr]   Downloaded fugit v0.3.6
[INFO] [stderr]   Downloaded cortex-m v0.7.6
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]   Downloaded serde_at v0.18.0
[INFO] [stderr]   Downloaded base16 v0.2.1
[INFO] [stderr]   Downloaded gcd v2.1.0
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4be5d763e1fcadbbbde2ccfa117a64e30a06d53fdfb50f955dc19140c381896
[INFO] running `Command { std: "docker" "start" "-a" "e4be5d763e1fcadbbbde2ccfa117a64e30a06d53fdfb50f955dc19140c381896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4be5d763e1fcadbbbde2ccfa117a64e30a06d53fdfb50f955dc19140c381896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4be5d763e1fcadbbbde2ccfa117a64e30a06d53fdfb50f955dc19140c381896", kill_on_drop: false }`
[INFO] [stdout] e4be5d763e1fcadbbbde2ccfa117a64e30a06d53fdfb50f955dc19140c381896
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6486a4a67300ec338a9c1a24f6c4df4eb1af542aaa7b9acea403f6128d584dd8
[INFO] running `Command { std: "docker" "start" "-a" "6486a4a67300ec338a9c1a24f6c4df4eb1af542aaa7b9acea403f6128d584dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.9
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking no-std-net v0.5.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking bbqueue v0.5.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking fragile v1.2.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking numtoa v0.2.4
[INFO] [stderr]     Checking gcd v2.1.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking fugit v0.3.6
[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" "6486a4a67300ec338a9c1a24f6c4df4eb1af542aaa7b9acea403f6128d584dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6486a4a67300ec338a9c1a24f6c4df4eb1af542aaa7b9acea403f6128d584dd8", kill_on_drop: false }`
[INFO] [stdout] 6486a4a67300ec338a9c1a24f6c4df4eb1af542aaa7b9acea403f6128d584dd8
[INFO] checking esp-at-nal-0.2.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate esp-at-nal 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate esp-at-nal 0.2.1 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 esp-at-nal 0.2.1
[INFO] finished tweaking crates.io crate esp-at-nal 0.2.1
[INFO] tweaked toml for crates.io crate esp-at-nal 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate esp-at-nal 0.2.1 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d21f6ddd9d661610f27af4301f73e715fc1f19fe6f7d9fa74aa254e80147da4b
[INFO] running `Command { std: "docker" "start" "-a" "d21f6ddd9d661610f27af4301f73e715fc1f19fe6f7d9fa74aa254e80147da4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d21f6ddd9d661610f27af4301f73e715fc1f19fe6f7d9fa74aa254e80147da4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21f6ddd9d661610f27af4301f73e715fc1f19fe6f7d9fa74aa254e80147da4b", kill_on_drop: false }`
[INFO] [stdout] d21f6ddd9d661610f27af4301f73e715fc1f19fe6f7d9fa74aa254e80147da4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] efd1f39b7d408e9d40a8c5e322d7f002db990359ebb6810161a4644663f01563
[INFO] running `Command { std: "docker" "start" "-a" "efd1f39b7d408e9d40a8c5e322d7f002db990359ebb6810161a4644663f01563", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.9
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking no-std-net v0.5.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking bbqueue v0.5.1
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.2.4
[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]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking gcd v2.1.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking fragile v1.2.1
[INFO] [stderr]     Checking numtoa v0.2.4
[INFO] [stderr]     Checking fugit v0.3.6
[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" "efd1f39b7d408e9d40a8c5e322d7f002db990359ebb6810161a4644663f01563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd1f39b7d408e9d40a8c5e322d7f002db990359ebb6810161a4644663f01563", kill_on_drop: false }`
[INFO] [stdout] efd1f39b7d408e9d40a8c5e322d7f002db990359ebb6810161a4644663f01563
