[INFO] cloning repository https://github.com/Mubelotix/smtp-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mubelotix/smtp-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMubelotix%2Fsmtp-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMubelotix%2Fsmtp-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25af2697800cb9f856173356d3c4ef79bb777e87 [INFO] checking Mubelotix/smtp-server against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMubelotix%2Fsmtp-server" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mubelotix/smtp-server on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Mubelotix/smtp-server [INFO] finished tweaking git repo https://github.com/Mubelotix/smtp-server [INFO] tweaked toml for git repo https://github.com/Mubelotix/smtp-server written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/Mubelotix/smtp-server already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fcc840ef3da146421874148d3d6d673c9b0fa9558453c5ee7e9757b322e8f0cf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fcc840ef3da146421874148d3d6d673c9b0fa9558453c5ee7e9757b322e8f0cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcc840ef3da146421874148d3d6d673c9b0fa9558453c5ee7e9757b322e8f0cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcc840ef3da146421874148d3d6d673c9b0fa9558453c5ee7e9757b322e8f0cf", kill_on_drop: false }` [INFO] [stdout] fcc840ef3da146421874148d3d6d673c9b0fa9558453c5ee7e9757b322e8f0cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 582289f6f391d07a8d6699ab12fa4cd34c500ec3288c9881a7e4ef2085bf7b7f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "582289f6f391d07a8d6699ab12fa4cd34c500ec3288c9881a7e4ef2085bf7b7f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking smallvec v1.5.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling native-tls v0.2.6 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking pin-project-lite v0.2.0 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking email-parser v0.4.0 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Compiling nom v6.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking net2 v0.2.36 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking resolv-conf v0.7.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking lexical-core v0.7.4 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling tokio v0.3.4 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking mio v0.7.6 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking unicode-normalization v0.1.16 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Checking tokio v0.2.23 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling enum-as-inner v0.3.3 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling tokio-macros v0.3.1 [INFO] [stderr] Checking thiserror v1.0.22 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking tokio-native-tls v0.2.0 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking trust-dns-proto v0.19.6 [INFO] [stderr] Checking trust-dns-resolver v0.19.6 [INFO] [stderr] Checking smtp-server v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `reverse_path` is assigned to, but never used [INFO] [stdout] --> src/smtp.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut reverse_path: Option<(LocalPart, ServerIdentity)> = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_reverse_path` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `reverse_path` is never read [INFO] [stdout] --> src/smtp.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | reverse_path = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `reverse_path` is never read [INFO] [stdout] --> src/smtp.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | reverse_path = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `reverse_path` is never read [INFO] [stdout] --> src/smtp.rs:108:21 [INFO] [stdout] | [INFO] [stdout] 108 | reverse_path = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `reverse_path` is never read [INFO] [stdout] --> src/smtp.rs:129:21 [INFO] [stdout] | [INFO] [stdout] 129 | reverse_path = Some((lp.to_owned(), si.to_owned())); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `reverse_path` is never read [INFO] [stdout] --> src/smtp.rs:153:17 [INFO] [stdout] | [INFO] [stdout] 153 | reverse_path = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `reverse_path` is assigned to, but never used [INFO] [stdout] --> src/smtp.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut reverse_path: Option<(LocalPart, ServerIdentity)> = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_reverse_path` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `reverse_path` is never read [INFO] [stdout] --> src/smtp.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | reverse_path = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `reverse_path` is never read [INFO] [stdout] --> src/smtp.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | reverse_path = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `reverse_path` is never read [INFO] [stdout] --> src/smtp.rs:108:21 [INFO] [stdout] | [INFO] [stdout] 108 | reverse_path = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `reverse_path` is never read [INFO] [stdout] --> src/smtp.rs:129:21 [INFO] [stdout] | [INFO] [stdout] 129 | reverse_path = Some((lp.to_owned(), si.to_owned())); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `reverse_path` is never read [INFO] [stdout] --> src/smtp.rs:153:17 [INFO] [stdout] | [INFO] [stdout] 153 | reverse_path = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> examples/simple.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | struct EHandler {}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 36s [INFO] running `Command { std: "docker" "inspect" "582289f6f391d07a8d6699ab12fa4cd34c500ec3288c9881a7e4ef2085bf7b7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "582289f6f391d07a8d6699ab12fa4cd34c500ec3288c9881a7e4ef2085bf7b7f", kill_on_drop: false }` [INFO] [stdout] 582289f6f391d07a8d6699ab12fa4cd34c500ec3288c9881a7e4ef2085bf7b7f