[INFO] cloning repository https://github.com/FungusHumungus/smteepee-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FungusHumungus/smteepee-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFungusHumungus%2Fsmteepee-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFungusHumungus%2Fsmteepee-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 85baf8bc23dcd6de8bb9282675d205322f10e965 [INFO] checking FungusHumungus/smteepee-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFungusHumungus%2Fsmteepee-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FungusHumungus/smteepee-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FungusHumungus/smteepee-rs [INFO] finished tweaking git repo https://github.com/FungusHumungus/smteepee-rs [INFO] tweaked toml for git repo https://github.com/FungusHumungus/smteepee-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/FungusHumungus/smteepee-rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded toml v0.5.1 [INFO] [stderr] Downloaded serde v1.0.96 [INFO] [stderr] Downloaded once_cell v1.4.0 [INFO] [stderr] Downloaded aho-corasick v0.7.4 [INFO] [stderr] Downloaded ucd-util v0.1.3 [INFO] [stderr] Downloaded serde_derive v1.0.96 [INFO] [stderr] Downloaded regex-syntax v0.6.8 [INFO] [stderr] Downloaded regex v1.1.9 [INFO] [stderr] Downloaded tokio-test v0.2.1 [INFO] [stderr] Downloaded miow v0.3.5 [INFO] [stderr] Downloaded net2 v0.2.34 [INFO] [stderr] Downloaded arc-swap v0.4.7 [INFO] [stderr] Downloaded signal-hook-registry v1.2.1 [INFO] [stderr] Downloaded utf8-ranges v1.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38935ebf46f010d727cbd655e93859182ac9522f3b3482af6b977f0a72fb04e7 [INFO] running `Command { std: "docker" "start" "-a" "38935ebf46f010d727cbd655e93859182ac9522f3b3482af6b977f0a72fb04e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38935ebf46f010d727cbd655e93859182ac9522f3b3482af6b977f0a72fb04e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38935ebf46f010d727cbd655e93859182ac9522f3b3482af6b977f0a72fb04e7", kill_on_drop: false }` [INFO] [stdout] 38935ebf46f010d727cbd655e93859182ac9522f3b3482af6b977f0a72fb04e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51fccc718315323b55175a90628f23d35215a2f306e6d2dd93876a26674b77a3 [INFO] running `Command { std: "docker" "start" "-a" "51fccc718315323b55175a90628f23d35215a2f306e6d2dd93876a26674b77a3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.96 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.2.1 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking regex-syntax v0.6.8 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling serde_derive v1.0.96 [INFO] [stderr] Checking toml v0.5.1 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-test v0.2.1 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking smteepee v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `base64` is imported redundantly [INFO] [stdout] --> src/smtp.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use base64; [INFO] [stdout] | ^^^^^^ the item `base64` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `base64` is imported redundantly [INFO] [stdout] --> src/smtp.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use base64; [INFO] [stdout] | ^^^^^^ the item `base64` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `saved` is never read [INFO] [stdout] --> src/message.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Message { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | pub saved: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Message` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `saved` is never read [INFO] [stdout] --> src/message.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Message { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | pub saved: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Message` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.61s [INFO] running `Command { std: "docker" "inspect" "51fccc718315323b55175a90628f23d35215a2f306e6d2dd93876a26674b77a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51fccc718315323b55175a90628f23d35215a2f306e6d2dd93876a26674b77a3", kill_on_drop: false }` [INFO] [stdout] 51fccc718315323b55175a90628f23d35215a2f306e6d2dd93876a26674b77a3