[INFO] fetching crate mailfred 0.1.0...
[INFO] checking mailfred-0.1.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate mailfred 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mailfred 0.1.0 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 mailfred 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mailfred 0.1.0
[INFO] tweaked toml for crates.io crate mailfred 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate mailfred 0.1.0 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 tokio-rustls v0.24.0
[INFO] [stderr]   Downloaded mail-builder v0.3.0
[INFO] [stderr]   Downloaded ouroboros_macro v0.15.6
[INFO] [stderr]   Downloaded ouroboros v0.15.6
[INFO] [stderr]   Downloaded imap-proto v0.16.2
[INFO] [stderr]   Downloaded mail-builder v0.2.5
[INFO] [stderr]   Downloaded imap v3.0.0-alpha.10
[INFO] [stderr]   Downloaded time v0.3.21
[INFO] [stderr]   Downloaded fern v0.6.2
[INFO] [stderr]   Downloaded mail-parser v0.8.2
[INFO] [stderr]   Downloaded tokio v1.28.1
[INFO] [stderr]   Downloaded web-sys v0.3.63
[INFO] [stderr]   Downloaded webpki-roots v0.23.0
[INFO] [stderr]   Downloaded openssl v0.10.52
[INFO] [stderr]   Downloaded mail-auth v0.3.0
[INFO] [stderr]   Downloaded rustls v0.21.1
[INFO] [stderr]   Downloaded quick-xml v0.27.1
[INFO] [stderr]   Downloaded smtp-proto v0.1.1
[INFO] [stderr]   Downloaded bumpalo v3.12.2
[INFO] [stderr]   Downloaded mail-send v0.4.0
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b78648e5aff5ee0c411867220adcdb95c884d3649fb3a759552e34bcffdd390c
[INFO] running `Command { std: "docker" "start" "-a" "b78648e5aff5ee0c411867220adcdb95c884d3649fb3a759552e34bcffdd390c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b78648e5aff5ee0c411867220adcdb95c884d3649fb3a759552e34bcffdd390c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78648e5aff5ee0c411867220adcdb95c884d3649fb3a759552e34bcffdd390c", kill_on_drop: false }`
[INFO] [stdout] b78648e5aff5ee0c411867220adcdb95c884d3649fb3a759552e34bcffdd390c
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6e3fbe30f696e54f33b4a796ae22eaef48b89e5c9fa7905a8cc5cefae1ae2d8
[INFO] running `Command { std: "docker" "start" "-a" "e6e3fbe30f696e54f33b4a796ae22eaef48b89e5c9fa7905a8cc5cefae1ae2d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking cpufeatures v0.2.7
[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 async-trait v0.1.68
[INFO] [stderr]    Compiling serde v1.0.163
[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" "e6e3fbe30f696e54f33b4a796ae22eaef48b89e5c9fa7905a8cc5cefae1ae2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e3fbe30f696e54f33b4a796ae22eaef48b89e5c9fa7905a8cc5cefae1ae2d8", kill_on_drop: false }`
[INFO] [stdout] e6e3fbe30f696e54f33b4a796ae22eaef48b89e5c9fa7905a8cc5cefae1ae2d8
[INFO] checking mailfred-0.1.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate mailfred 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mailfred 0.1.0 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 mailfred 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mailfred 0.1.0
[INFO] tweaked toml for crates.io crate mailfred 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate mailfred 0.1.0 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-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 653a856cb0433fc0bfcbebdf4c23ac39d56a6822751ec13afeeaea99f9dd0814
[INFO] running `Command { std: "docker" "start" "-a" "653a856cb0433fc0bfcbebdf4c23ac39d56a6822751ec13afeeaea99f9dd0814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "653a856cb0433fc0bfcbebdf4c23ac39d56a6822751ec13afeeaea99f9dd0814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653a856cb0433fc0bfcbebdf4c23ac39d56a6822751ec13afeeaea99f9dd0814", kill_on_drop: false }`
[INFO] [stdout] 653a856cb0433fc0bfcbebdf4c23ac39d56a6822751ec13afeeaea99f9dd0814
[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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab859fce0f88e6eb6d939f4e5957675964f1005f086d6999b0099274cbc92d9a
[INFO] running `Command { std: "docker" "start" "-a" "ab859fce0f88e6eb6d939f4e5957675964f1005f086d6999b0099274cbc92d9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 parking_lot_core v0.9.7
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking base64 v0.21.0
[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] 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" "ab859fce0f88e6eb6d939f4e5957675964f1005f086d6999b0099274cbc92d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab859fce0f88e6eb6d939f4e5957675964f1005f086d6999b0099274cbc92d9a", kill_on_drop: false }`
[INFO] [stdout] ab859fce0f88e6eb6d939f4e5957675964f1005f086d6999b0099274cbc92d9a
