[INFO] fetching crate mailme 0.1.1... [INFO] checking mailme-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate mailme 0.1.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate mailme 0.1.1 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 crates.io crate mailme 0.1.1 [INFO] finished tweaking crates.io crate mailme 0.1.1 [INFO] tweaked toml for crates.io crate mailme 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 67 packages [INFO] [stderr] Adding aho-corasick v0.7.15 (latest: v1.1.3) [INFO] [stderr] Adding arrayvec v0.5.2 (latest: v0.7.4) [INFO] [stderr] Adding base64 v0.12.3 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bitvec v0.19.6 (latest: v1.0.1) [INFO] [stderr] Adding bytes v0.6.0 (latest: v1.6.0) [INFO] [stderr] Adding env_logger v0.7.1 (latest: v0.11.3) [INFO] [stderr] Adding funty v1.1.0 (latest: v2.0.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding lexical-core v0.7.6 (latest: v0.8.5) [INFO] [stderr] Adding memchr v2.3.4 (latest: v2.7.2) [INFO] [stderr] Adding mio v0.7.14 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding nom v6.2.2 (latest: v7.1.3) [INFO] [stderr] Adding ntapi v0.3.7 (latest: v0.4.1) [INFO] [stderr] Adding pretty_env_logger v0.4.0 (latest: v0.5.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding radium v0.5.3 (latest: v1.1.0) [INFO] [stderr] Adding regex v1.4.6 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding ring v0.16.20 (latest: v0.17.8) [INFO] [stderr] Adding rustls v0.18.1 (latest: v0.23.4) [INFO] [stderr] Adding sct v0.6.1 (latest: v0.7.1) [INFO] [stderr] Adding spin v0.5.2 (latest: v0.9.8) [INFO] [stderr] Adding tokio v0.3.7 (latest: v1.37.0) [INFO] [stderr] Adding tokio-rustls v0.20.0 (latest: v0.26.0) [INFO] [stderr] Adding untrusted v0.7.1 (latest: v0.9.0) [INFO] [stderr] Adding webpki v0.21.4 (latest: v0.22.4) [INFO] [stderr] Adding webpki-roots v0.20.0 (latest: v0.26.1) [INFO] [stderr] Adding wyz v0.2.0 (latest: v0.6.1) [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 tokio-rustls v0.20.0 [INFO] [stderr] Downloaded bytes v0.6.0 [INFO] [stderr] Downloaded nom v6.2.2 [INFO] [stderr] Downloaded webpki-roots v0.20.0 [INFO] [stderr] Downloaded tokio v0.3.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e32857c278693f5fdcef7630ecd9f45c07f6e857930be8b83af7e844fe0becde [INFO] running `Command { std: "docker" "start" "-a" "e32857c278693f5fdcef7630ecd9f45c07f6e857930be8b83af7e844fe0becde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e32857c278693f5fdcef7630ecd9f45c07f6e857930be8b83af7e844fe0becde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e32857c278693f5fdcef7630ecd9f45c07f6e857930be8b83af7e844fe0becde", kill_on_drop: false }` [INFO] [stdout] e32857c278693f5fdcef7630ecd9f45c07f6e857930be8b83af7e844fe0becde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3df9f69197dc1e904736f54c1c51372b5f85f9f8a5549d330fb3e1d1d5eafbbd [INFO] running `Command { std: "docker" "start" "-a" "3df9f69197dc1e904736f54c1c51372b5f85f9f8a5549d330fb3e1d1d5eafbbd", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling tokio v0.3.7 [INFO] [stderr] Compiling nom v6.2.2 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking bytes v0.6.0 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking bitvec v0.19.6 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking regex v1.4.6 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking rustls v0.18.1 [INFO] [stderr] Checking webpki-roots v0.20.0 [INFO] [stderr] Checking tokio-rustls v0.20.0 [INFO] [stderr] Checking mailme v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `msg_count` and `mailbox_size` are never read [INFO] [stdout] --> src/pop3.rs:346:5 [INFO] [stdout] | [INFO] [stdout] 345 | pub struct POP3Status { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 346 | msg_count: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 347 | mailbox_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `POP3Status` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `msg_count` and `mailbox_size` are never read [INFO] [stdout] --> src/pop3.rs:346:5 [INFO] [stdout] | [INFO] [stdout] 345 | pub struct POP3Status { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 346 | msg_count: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 347 | mailbox_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `POP3Status` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.00s [INFO] running `Command { std: "docker" "inspect" "3df9f69197dc1e904736f54c1c51372b5f85f9f8a5549d330fb3e1d1d5eafbbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3df9f69197dc1e904736f54c1c51372b5f85f9f8a5549d330fb3e1d1d5eafbbd", kill_on_drop: false }` [INFO] [stdout] 3df9f69197dc1e904736f54c1c51372b5f85f9f8a5549d330fb3e1d1d5eafbbd [INFO] checking mailme-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate mailme 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate mailme 0.1.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mailme 0.1.1 [INFO] finished tweaking crates.io crate mailme 0.1.1 [INFO] tweaked toml for crates.io crate mailme 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e52cbf83c9bce5f9c1acdfc8c8a54f06cfe93150006a5e7a579a55af4c8b9fc0 [INFO] running `Command { std: "docker" "start" "-a" "e52cbf83c9bce5f9c1acdfc8c8a54f06cfe93150006a5e7a579a55af4c8b9fc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e52cbf83c9bce5f9c1acdfc8c8a54f06cfe93150006a5e7a579a55af4c8b9fc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e52cbf83c9bce5f9c1acdfc8c8a54f06cfe93150006a5e7a579a55af4c8b9fc0", kill_on_drop: false }` [INFO] [stdout] e52cbf83c9bce5f9c1acdfc8c8a54f06cfe93150006a5e7a579a55af4c8b9fc0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09e7528f0b10e864cd11404e840f91958301cfbc9f3dfbdd65e8c408da992425 [INFO] running `Command { std: "docker" "start" "-a" "09e7528f0b10e864cd11404e840f91958301cfbc9f3dfbdd65e8c408da992425", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling tokio v0.3.7 [INFO] [stderr] Compiling nom v6.2.2 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking bytes v0.6.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking bitvec v0.19.6 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking regex v1.4.6 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking rustls v0.18.1 [INFO] [stderr] Checking webpki-roots v0.20.0 [INFO] [stderr] Checking tokio-rustls v0.20.0 [INFO] [stderr] Checking mailme v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `msg_count` and `mailbox_size` are never read [INFO] [stdout] --> src/pop3.rs:346:5 [INFO] [stdout] | [INFO] [stdout] 345 | pub struct POP3Status { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 346 | msg_count: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 347 | mailbox_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `POP3Status` 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: fields `msg_count` and `mailbox_size` are never read [INFO] [stdout] --> src/pop3.rs:346:5 [INFO] [stdout] | [INFO] [stdout] 345 | pub struct POP3Status { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 346 | msg_count: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 347 | mailbox_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `POP3Status` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.29s [INFO] running `Command { std: "docker" "inspect" "09e7528f0b10e864cd11404e840f91958301cfbc9f3dfbdd65e8c408da992425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09e7528f0b10e864cd11404e840f91958301cfbc9f3dfbdd65e8c408da992425", kill_on_drop: false }` [INFO] [stdout] 09e7528f0b10e864cd11404e840f91958301cfbc9f3dfbdd65e8c408da992425