[INFO] cloning repository https://github.com/trevyn/mailin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trevyn/mailin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevyn%2Fmailin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevyn%2Fmailin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 368bfe2b97b94ca19b9234d05ba0030cfacc6b3f
[INFO] checking trevyn/mailin against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevyn%2Fmailin" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/trevyn/mailin on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/trevyn/mailin
[INFO] finished tweaking git repo https://github.com/trevyn/mailin
[INFO] tweaked toml for git repo https://github.com/trevyn/mailin written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/trevyn/mailin 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-lock v2.4.0
[INFO] [stderr]   Downloaded async-net v1.6.1
[INFO] [stderr]   Downloaded async-fs v1.5.0
[INFO] [stderr]   Downloaded unic-idna-punycode v0.9.0
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded maybe-async v0.2.6
[INFO] [stderr]   Downloaded ternop v1.0.1
[INFO] [stderr]   Downloaded statsd v0.15.0
[INFO] [stderr]   Downloaded debug-builders v0.1.0
[INFO] [stderr]   Downloaded debugtrace v0.1.0
[INFO] [stderr]   Downloaded either v0.1.7
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded simplelog v0.11.2
[INFO] [stderr]   Downloaded backtrace v0.1.8
[INFO] [stderr]   Downloaded pretty_assertions v1.1.0
[INFO] [stderr]   Downloaded chomp v0.3.1
[INFO] [stderr]   Downloaded anyhow v1.0.53
[INFO] [stderr]   Downloaded rustls v0.20.2
[INFO] [stderr]   Downloaded dnssector v0.2.11
[INFO] [stderr]   Downloaded backtrace-sys v0.1.37
[INFO] [stderr]   Downloaded libc v0.2.117
[INFO] [stderr]   Downloaded dnsclientx v0.4.0
[INFO] [stderr]   Downloaded display_bytes v0.2.1
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60298b7c7ca4f7bd419bc2d57c8d10f4da591f4a6783a456f8a7fa32173eb8b8
[INFO] running `Command { std: "docker" "start" "-a" "60298b7c7ca4f7bd419bc2d57c8d10f4da591f4a6783a456f8a7fa32173eb8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60298b7c7ca4f7bd419bc2d57c8d10f4da591f4a6783a456f8a7fa32173eb8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60298b7c7ca4f7bd419bc2d57c8d10f4da591f4a6783a456f8a7fa32173eb8b8", kill_on_drop: false }`
[INFO] [stdout] 60298b7c7ca4f7bd419bc2d57c8d10f4da591f4a6783a456f8a7fa32173eb8b8
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c081f2fc25faf8a47efdc391695be4f6c847b88eaabcad9d0e7485c399381b03
[INFO] running `Command { std: "docker" "start" "-a" "c081f2fc25faf8a47efdc391695be4f6c847b88eaabcad9d0e7485c399381b03", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking async-task v4.1.0
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling debugtrace v0.1.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking display_bytes v0.2.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking either v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ternop v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking unic-idna-punycode v0.9.0
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking rustls-pemfile v0.3.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking pretty_assertions v1.1.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking blocking v1.1.0
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-process v1.3.0
[INFO] [stderr]     Checking async-net v1.6.1
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking mailin v0.6.0 (/opt/rustwide/workdir/mailin)
[INFO] [stderr]     Checking mime-event v0.1.0 (/opt/rustwide/workdir/mime-event)
[INFO] [stdout] warning: the item `Response` is imported redundantly
[INFO] [stdout]  --> mailin/src/fsm.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::response::*;
[INFO] [stdout]   |     ------------------ the item `Response` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 | use crate::{AuthMechanism, Handler, Response};
[INFO] [stdout]   |                                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Header` is imported redundantly
[INFO] [stdout]  --> mime-event/src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::event::*;
[INFO] [stdout]   |     --------------- the item `Header` is already imported here
[INFO] [stdout] 2 | use crate::header::Header;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Header` is imported redundantly
[INFO] [stdout]  --> mime-event/src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::event::*;
[INFO] [stdout]   |     --------------- the item `Header` is already imported here
[INFO] [stdout] 2 | use crate::header::Header;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Response` is imported redundantly
[INFO] [stdout]  --> mailin/src/fsm.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::response::*;
[INFO] [stdout]   |     ------------------ the item `Response` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 | use crate::{AuthMechanism, Handler, Response};
[INFO] [stdout]   |                                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking statsd v0.15.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking simplelog v0.11.2
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]     Checking chomp v0.3.1
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking rustls v0.20.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling maybe-async v0.2.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking dnssector v0.2.11
[INFO] [stderr]     Checking mailin-embedded v0.7.0 (/opt/rustwide/workdir/mailin-embedded)
[INFO] [stderr]     Checking dnsclientx v0.4.0
[INFO] [stderr]     Checking mxdns v0.4.0 (/opt/rustwide/workdir/mxdns)
[INFO] [stderr]     Checking mailin-server v0.1.0 (/opt/rustwide/workdir/mailin-server)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "c081f2fc25faf8a47efdc391695be4f6c847b88eaabcad9d0e7485c399381b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c081f2fc25faf8a47efdc391695be4f6c847b88eaabcad9d0e7485c399381b03", kill_on_drop: false }`
[INFO] [stdout] c081f2fc25faf8a47efdc391695be4f6c847b88eaabcad9d0e7485c399381b03