[INFO] fetching crate df-helper 0.2.26...
[INFO] checking df-helper-0.2.26 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate df-helper 0.2.26 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate df-helper 0.2.26 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 df-helper 0.2.26
[INFO] finished tweaking crates.io crate df-helper 0.2.26
[INFO] tweaked toml for crates.io crate df-helper 0.2.26 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate df-helper 0.2.26 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 sha256 v1.1.1
[INFO] [stderr]   Downloaded sqlformat v0.2.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.50
[INFO] [stderr]   Downloaded crc-catalog v2.1.0
[INFO] [stderr]   Downloaded uuid v1.2.1
[INFO] [stderr]   Downloaded frunk_proc_macro_helpers v0.1.0
[INFO] [stderr]   Downloaded frunk_proc_macros_impl v0.1.0
[INFO] [stderr]   Downloaded frunk_proc_macros v0.1.0
[INFO] [stderr]   Downloaded saturating v0.1.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.6
[INFO] [stderr]   Downloaded ref_slice v1.2.1
[INFO] [stderr]   Downloaded frunk_derives v0.4.0
[INFO] [stderr]   Downloaded quoted_printable v0.4.5
[INFO] [stderr]   Downloaded email-encoding v0.1.3
[INFO] [stderr]   Downloaded named_pipe v0.4.1
[INFO] [stderr]   Downloaded local_ipaddress v0.1.3
[INFO] [stderr]   Downloaded io-enum v1.0.1
[INFO] [stderr]   Downloaded lexical v6.1.1
[INFO] [stderr]   Downloaded snap v1.0.5
[INFO] [stderr]   Downloaded subprocess v0.2.9
[INFO] [stderr]   Downloaded kafka v0.9.0
[INFO] [stderr]   Downloaded rust_decimal v1.26.1
[INFO] [stderr]   Downloaded mysql_common v0.29.1
[INFO] [stderr]   Downloaded mysql v23.0.0
[INFO] [stderr]   Downloaded lettre v0.10.1
[INFO] [stderr]   Downloaded redis v0.22.1
[INFO] [stderr]   Downloaded email_address v0.2.3
[INFO] [stderr]   Downloaded bigdecimal v0.3.0
[INFO] [stderr]   Downloaded clang-sys v1.4.0
[INFO] [stderr]   Downloaded frunk_core v0.4.0
[INFO] [stderr]   Downloaded frunk v0.4.0
[INFO] [stderr]   Downloaded crc v3.0.0
[INFO] [stderr]   Downloaded curl-sys v0.4.56+curl-7.83.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4e19d242d7e9d7a99ff971582c7829b1cd11a5b61fa284bb4ae9778c18da96e6
[INFO] running `Command { std: "docker" "start" "-a" "4e19d242d7e9d7a99ff971582c7829b1cd11a5b61fa284bb4ae9778c18da96e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e19d242d7e9d7a99ff971582c7829b1cd11a5b61fa284bb4ae9778c18da96e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e19d242d7e9d7a99ff971582c7829b1cd11a5b61fa284bb4ae9778c18da96e6", kill_on_drop: false }`
[INFO] [stdout] 4e19d242d7e9d7a99ff971582c7829b1cd11a5b61fa284bb4ae9778c18da96e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5fbe2793f15c52b29388905ec2db68c0c04ce713a517a62ec862829372380ce3
[INFO] running `Command { std: "docker" "start" "-a" "5fbe2793f15c52b29388905ec2db68c0c04ce713a517a62ec862829372380ce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 crossbeam-queue v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling tokio v1.21.2
[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" "5fbe2793f15c52b29388905ec2db68c0c04ce713a517a62ec862829372380ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fbe2793f15c52b29388905ec2db68c0c04ce713a517a62ec862829372380ce3", kill_on_drop: false }`
[INFO] [stdout] 5fbe2793f15c52b29388905ec2db68c0c04ce713a517a62ec862829372380ce3
