[INFO] cloning repository https://github.com/Stepachka/imap_get_list_msg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Stepachka/imap_get_list_msg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStepachka%2Fimap_get_list_msg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStepachka%2Fimap_get_list_msg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d47f4c73b3f4617974ad6b5daf52a99561b2aa2
[INFO] checking Stepachka/imap_get_list_msg/8d47f4c73b3f4617974ad6b5daf52a99561b2aa2 against master#e23ae72ac7a393961886ea62df065ebb6def7d51 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStepachka%2Fimap_get_list_msg" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Stepachka/imap_get_list_msg on toolchain e23ae72ac7a393961886ea62df065ebb6def7d51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Stepachka/imap_get_list_msg
[INFO] finished tweaking git repo https://github.com/Stepachka/imap_get_list_msg
[INFO] tweaked toml for git repo https://github.com/Stepachka/imap_get_list_msg written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Stepachka/imap_get_list_msg 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" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.79
[INFO] [stderr]   Downloaded utf8-width v0.1.6
[INFO] [stderr]   Downloaded utf7-imap v0.3.2
[INFO] [stderr]   Downloaded imap-proto v0.10.2
[INFO] [stderr]   Downloaded tree_magic v0.2.3
[INFO] [stderr]   Downloaded imap v2.4.1
[INFO] [stderr]   Downloaded quoted_printable v0.4.6
[INFO] [stderr]   Downloaded himalaya-lib v0.4.0
[INFO] [stderr]   Downloaded html-escape v0.2.12
[INFO] [stderr]   Downloaded imap-proto v0.14.3
[INFO] [stderr]   Downloaded ammonia v3.3.0
[INFO] [stderr]   Downloaded bitvec v0.19.6
[INFO] [stderr]   Downloaded lettre v0.10.0-rc.7
[INFO] [stderr]   Downloaded openssl v0.10.44
[INFO] [stderr]   Downloaded imap v3.0.0-alpha.4
[INFO] [stderr]   Downloaded email-encoding v0.1.3
[INFO] [stderr]   Downloaded mailparse v0.13.8
[INFO] [stderr]   Downloaded charset v0.1.3
[INFO] [stderr]   Downloaded rfc2047-decoder v0.2.0
[INFO] [stderr]   Downloaded mail-parser v0.6.1
[INFO] [stderr]   Downloaded maildir v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24955f9d537c9f91644478ec7c459ebefebe84d36f5a28695a56acc5af1a0aee
[INFO] running `Command { std: "docker" "start" "-a" "24955f9d537c9f91644478ec7c459ebefebe84d36f5a28695a56acc5af1a0aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24955f9d537c9f91644478ec7c459ebefebe84d36f5a28695a56acc5af1a0aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24955f9d537c9f91644478ec7c459ebefebe84d36f5a28695a56acc5af1a0aee", kill_on_drop: false }`
[INFO] [stdout] 24955f9d537c9f91644478ec7c459ebefebe84d36f5a28695a56acc5af1a0aee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dbaf8aceafc7b6acf64658e8e3a9e9449a3f39b17a61eb2bf469f3749a8ccd3
[INFO] running `Command { std: "docker" "start" "-a" "8dbaf8aceafc7b6acf64658e8e3a9e9449a3f39b17a61eb2bf469f3749a8ccd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling openssl v0.10.44
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking lock_api v0.4.9
[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]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-core v0.3.25
[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" "8dbaf8aceafc7b6acf64658e8e3a9e9449a3f39b17a61eb2bf469f3749a8ccd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbaf8aceafc7b6acf64658e8e3a9e9449a3f39b17a61eb2bf469f3749a8ccd3", kill_on_drop: false }`
[INFO] [stdout] 8dbaf8aceafc7b6acf64658e8e3a9e9449a3f39b17a61eb2bf469f3749a8ccd3