[INFO] fetching crate esp-at-nal 0.2.1...
[INFO] checking esp-at-nal-0.2.1 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate esp-at-nal 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate esp-at-nal 0.2.1 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 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-3-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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 mockall v0.11.2
[INFO] [stderr]   Downloaded predicates v2.1.1
[INFO] [stderr]   Downloaded numtoa v0.2.4
[INFO] [stderr]   Downloaded mockall_derive v0.11.2
[INFO] [stderr]   Downloaded fragile v1.2.1
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded gcd v2.1.0
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded predicates-core v1.0.3
[INFO] [stderr]   Downloaded termtree v0.2.4
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded atat_derive v0.18.0
[INFO] [stderr]   Downloaded heapless-bytes v0.3.0
[INFO] [stderr]   Downloaded embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]   Downloaded serde_at v0.18.0
[INFO] [stderr]   Downloaded bbqueue v0.5.1
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.9
[INFO] [stderr]   Downloaded heapless v0.7.16
[INFO] [stderr]   Downloaded cortex-m v0.7.6
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded atat v0.18.0
[INFO] [stderr]   Downloaded embedded-nal v0.6.0
[INFO] [stderr]   Downloaded fugit v0.3.6
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.10
[INFO] [stderr]   Downloaded no-std-net v0.5.0
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded critical-section v0.2.7
[INFO] [stderr]   Downloaded predicates-tree v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bb939a7cc4d53a6f3fb651890a1676a2a65aa48bb90376c1644cdb1de7adf7b0
[INFO] running `Command { std: "docker" "start" "-a" "bb939a7cc4d53a6f3fb651890a1676a2a65aa48bb90376c1644cdb1de7adf7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb939a7cc4d53a6f3fb651890a1676a2a65aa48bb90376c1644cdb1de7adf7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb939a7cc4d53a6f3fb651890a1676a2a65aa48bb90376c1644cdb1de7adf7b0", kill_on_drop: false }`
[INFO] [stdout] bb939a7cc4d53a6f3fb651890a1676a2a65aa48bb90376c1644cdb1de7adf7b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f7f45a3ccf825a0688c0d7b031351966541f43e5f0ca20d151e8b95e039dbf28
[INFO] running `Command { std: "docker" "start" "-a" "f7f45a3ccf825a0688c0d7b031351966541f43e5f0ca20d151e8b95e039dbf28", 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 lock_api v0.4.9
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling paste v1.0.9
[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]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[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" "f7f45a3ccf825a0688c0d7b031351966541f43e5f0ca20d151e8b95e039dbf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f45a3ccf825a0688c0d7b031351966541f43e5f0ca20d151e8b95e039dbf28", kill_on_drop: false }`
[INFO] [stdout] f7f45a3ccf825a0688c0d7b031351966541f43e5f0ca20d151e8b95e039dbf28
[INFO] checking esp-at-nal-0.2.1 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate esp-at-nal 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate esp-at-nal 0.2.1 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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-3-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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e57d6097ebbe1764abf05412db2b5e9dba756ae37796bc53c8a09faa68d2d68b
[INFO] running `Command { std: "docker" "start" "-a" "e57d6097ebbe1764abf05412db2b5e9dba756ae37796bc53c8a09faa68d2d68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e57d6097ebbe1764abf05412db2b5e9dba756ae37796bc53c8a09faa68d2d68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57d6097ebbe1764abf05412db2b5e9dba756ae37796bc53c8a09faa68d2d68b", kill_on_drop: false }`
[INFO] [stdout] e57d6097ebbe1764abf05412db2b5e9dba756ae37796bc53c8a09faa68d2d68b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbd0f53cad37be54192c11fcd80e2c05afd2b57acb3eb56c214584b3bd07465f
[INFO] running `Command { std: "docker" "start" "-a" "dbd0f53cad37be54192c11fcd80e2c05afd2b57acb3eb56c214584b3bd07465f", 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 lock_api v0.4.9
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking nb v1.0.0
[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 stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling typenum v1.15.0
[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 aho-corasick v0.7.19
[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" "dbd0f53cad37be54192c11fcd80e2c05afd2b57acb3eb56c214584b3bd07465f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd0f53cad37be54192c11fcd80e2c05afd2b57acb3eb56c214584b3bd07465f", kill_on_drop: false }`
[INFO] [stdout] dbd0f53cad37be54192c11fcd80e2c05afd2b57acb3eb56c214584b3bd07465f
