[INFO] fetching crate pushpop 0.1.0... [INFO] checking pushpop-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate pushpop 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate pushpop 0.1.0 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 pushpop 0.1.0 [INFO] finished tweaking crates.io crate pushpop 0.1.0 [INFO] tweaked toml for crates.io crate pushpop 0.1.0 written to /workspace/builds/worker-4-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 179 packages [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding base64 v0.10.1 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding cookie v0.12.0 (latest: v0.18.1) [INFO] [stderr] Adding cookie_store v0.7.0 (latest: v0.21.0) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding dtoa v0.4.8 (latest: v1.0.9) [INFO] [stderr] Adding foreign-types v0.3.2 (latest: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding h2 v0.1.26 (latest: v0.4.4) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding http v0.1.21 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.1.0 (latest: v1.0.0) [INFO] [stderr] Adding hyper v0.12.36 (latest: v1.2.0) [INFO] [stderr] Adding hyper-tls v0.3.2 (latest: v0.6.0) [INFO] [stderr] Adding idna v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding idna v0.2.3 (latest: v0.5.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding publicsuffix v1.5.6 (latest: v2.2.3) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding reqwest v0.9.24 (latest: v0.12.3) [INFO] [stderr] Adding ring v0.14.6 (latest: v0.17.8) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding rustls v0.15.2 (latest: v0.23.4) [INFO] [stderr] Adding sct v0.5.0 (latest: v0.7.1) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding serde_urlencoded v0.5.5 (latest: v0.7.1) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding spin v0.5.2 (latest: v0.9.8) [INFO] [stderr] Adding string v0.2.1 (latest: v0.3.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.37.0) [INFO] [stderr] Adding untrusted v0.6.2 (latest: v0.9.0) [INFO] [stderr] Adding url v1.7.2 (latest: v2.5.0) [INFO] [stderr] Adding uuid v0.7.4 (latest: v1.8.0) [INFO] [stderr] Adding want v0.2.0 (latest: v0.3.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding webpki v0.19.1 (latest: v0.22.4) [INFO] [stderr] Adding webpki-roots v0.16.0 (latest: v0.26.1) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding winreg v0.6.2 (latest: v0.52.0) [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 mail-test-account v0.1.1 [INFO] [stderr] Downloaded webpki v0.19.1 [INFO] [stderr] Downloaded sct v0.5.0 [INFO] [stderr] Downloaded rustls v0.15.2 [INFO] [stderr] Downloaded webpki-roots v0.16.0 [INFO] [stderr] Downloaded ring v0.14.6 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9a09a3ed537fb081c032c33522ae193f1d592c7fbc9a5eb2931ab288ddfd12b [INFO] running `Command { std: "docker" "start" "-a" "f9a09a3ed537fb081c032c33522ae193f1d592c7fbc9a5eb2931ab288ddfd12b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9a09a3ed537fb081c032c33522ae193f1d592c7fbc9a5eb2931ab288ddfd12b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9a09a3ed537fb081c032c33522ae193f1d592c7fbc9a5eb2931ab288ddfd12b", kill_on_drop: false }` [INFO] [stdout] f9a09a3ed537fb081c032c33522ae193f1d592c7fbc9a5eb2931ab288ddfd12b [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67f7a743bb9e1c7347aff506fa2e81f164aa5cca57b2f24ef7afa5ebf49fbf82 [INFO] running `Command { std: "docker" "start" "-a" "67f7a743bb9e1c7347aff506fa2e81f164aa5cca57b2f24ef7afa5ebf49fbf82", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling ring v0.14.6 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking openssl-sys v0.9.102 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking publicsuffix v1.5.6 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking openssl v0.10.64 [INFO] [stderr] Checking xdg v2.5.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking webpki v0.19.1 [INFO] [stderr] Checking sct v0.5.0 [INFO] [stderr] Checking rustls v0.15.2 [INFO] [stderr] Checking webpki-roots v0.16.0 [INFO] [stderr] Checking native-tls v0.2.11 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking reqwest v0.9.24 [INFO] [stderr] Checking pushpop v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `num_messages` and `size_octets` are never read [INFO] [stdout] --> src/lib.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 194 | pub struct Stat { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 195 | num_messages: u64, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 196 | size_octets: u64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stat` has derived impls for the traits `Debug` and `Clone`, 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 `count`, `octets`, and `scans` are never read [INFO] [stdout] --> src/lib.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 200 | pub struct List { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 201 | count: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 202 | octets: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 203 | scans: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `List` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `octets` are never read [INFO] [stdout] --> src/lib.rs:208:5 [INFO] [stdout] | [INFO] [stdout] 207 | pub struct Scan { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 208 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 209 | octets: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Scan` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bytes` is never read [INFO] [stdout] --> src/lib.rs:214:5 [INFO] [stdout] | [INFO] [stdout] 213 | pub struct Retr { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 214 | bytes: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Retr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking mail-test-account v0.1.1 [INFO] [stdout] warning: the item `Regex` is imported redundantly [INFO] [stdout] --> src/lib.rs:260:9 [INFO] [stdout] | [INFO] [stdout] 258 | use super::*; [INFO] [stdout] | -------- the item `Regex` is already imported here [INFO] [stdout] 259 | use mail_test_account::{test_account_info, AccountAndServiceInfo}; [INFO] [stdout] 260 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `num_messages` and `size_octets` are never read [INFO] [stdout] --> src/lib.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 194 | pub struct Stat { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 195 | num_messages: u64, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 196 | size_octets: u64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stat` has derived impls for the traits `Debug` and `Clone`, 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 `count`, `octets`, and `scans` are never read [INFO] [stdout] --> src/lib.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 200 | pub struct List { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 201 | count: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 202 | octets: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 203 | scans: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `List` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `octets` are never read [INFO] [stdout] --> src/lib.rs:208:5 [INFO] [stdout] | [INFO] [stdout] 207 | pub struct Scan { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 208 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 209 | octets: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Scan` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bytes` is never read [INFO] [stdout] --> src/lib.rs:214:5 [INFO] [stdout] | [INFO] [stdout] 213 | pub struct Retr { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 214 | bytes: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Retr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.97s [INFO] running `Command { std: "docker" "inspect" "67f7a743bb9e1c7347aff506fa2e81f164aa5cca57b2f24ef7afa5ebf49fbf82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67f7a743bb9e1c7347aff506fa2e81f164aa5cca57b2f24ef7afa5ebf49fbf82", kill_on_drop: false }` [INFO] [stdout] 67f7a743bb9e1c7347aff506fa2e81f164aa5cca57b2f24ef7afa5ebf49fbf82 [INFO] checking pushpop-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate pushpop 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate pushpop 0.1.0 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 pushpop 0.1.0 [INFO] finished tweaking crates.io crate pushpop 0.1.0 [INFO] tweaked toml for crates.io crate pushpop 0.1.0 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8aac6ecf52f14aa92d28c890b5552f8049f9a27464816ee1049adc7bcba3c980 [INFO] running `Command { std: "docker" "start" "-a" "8aac6ecf52f14aa92d28c890b5552f8049f9a27464816ee1049adc7bcba3c980", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8aac6ecf52f14aa92d28c890b5552f8049f9a27464816ee1049adc7bcba3c980", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8aac6ecf52f14aa92d28c890b5552f8049f9a27464816ee1049adc7bcba3c980", kill_on_drop: false }` [INFO] [stdout] 8aac6ecf52f14aa92d28c890b5552f8049f9a27464816ee1049adc7bcba3c980 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9dba2ccb1a320c5696d2eca98eada6fe74d869e5130cf67ac7ce89b48332aaa7 [INFO] running `Command { std: "docker" "start" "-a" "9dba2ccb1a320c5696d2eca98eada6fe74d869e5130cf67ac7ce89b48332aaa7", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling ring v0.14.6 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking openssl-sys v0.9.102 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking xdg v2.5.2 [INFO] [stderr] Checking publicsuffix v1.5.6 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking openssl v0.10.64 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking webpki v0.19.1 [INFO] [stderr] Checking sct v0.5.0 [INFO] [stderr] Checking rustls v0.15.2 [INFO] [stderr] Checking webpki-roots v0.16.0 [INFO] [stderr] Checking native-tls v0.2.11 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking reqwest v0.9.24 [INFO] [stderr] Checking pushpop v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `num_messages` and `size_octets` are never read [INFO] [stdout] --> src/lib.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 194 | pub struct Stat { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 195 | num_messages: u64, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 196 | size_octets: u64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stat` has derived impls for the traits `Debug` and `Clone`, 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 `count`, `octets`, and `scans` are never read [INFO] [stdout] --> src/lib.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 200 | pub struct List { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 201 | count: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 202 | octets: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 203 | scans: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `List` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `octets` are never read [INFO] [stdout] --> src/lib.rs:208:5 [INFO] [stdout] | [INFO] [stdout] 207 | pub struct Scan { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 208 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 209 | octets: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Scan` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bytes` is never read [INFO] [stdout] --> src/lib.rs:214:5 [INFO] [stdout] | [INFO] [stdout] 213 | pub struct Retr { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 214 | bytes: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Retr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking mail-test-account v0.1.1 [INFO] [stdout] warning: the item `Regex` is imported redundantly [INFO] [stdout] --> src/lib.rs:260:9 [INFO] [stdout] | [INFO] [stdout] 258 | use super::*; [INFO] [stdout] | -------- the item `Regex` is already imported here [INFO] [stdout] 259 | use mail_test_account::{test_account_info, AccountAndServiceInfo}; [INFO] [stdout] 260 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `num_messages` and `size_octets` are never read [INFO] [stdout] --> src/lib.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 194 | pub struct Stat { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 195 | num_messages: u64, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 196 | size_octets: u64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stat` has derived impls for the traits `Debug` and `Clone`, 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 `count`, `octets`, and `scans` are never read [INFO] [stdout] --> src/lib.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 200 | pub struct List { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 201 | count: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 202 | octets: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 203 | scans: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `List` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `octets` are never read [INFO] [stdout] --> src/lib.rs:208:5 [INFO] [stdout] | [INFO] [stdout] 207 | pub struct Scan { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 208 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 209 | octets: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Scan` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bytes` is never read [INFO] [stdout] --> src/lib.rs:214:5 [INFO] [stdout] | [INFO] [stdout] 213 | pub struct Retr { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 214 | bytes: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Retr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.72s [INFO] running `Command { std: "docker" "inspect" "9dba2ccb1a320c5696d2eca98eada6fe74d869e5130cf67ac7ce89b48332aaa7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dba2ccb1a320c5696d2eca98eada6fe74d869e5130cf67ac7ce89b48332aaa7", kill_on_drop: false }` [INFO] [stdout] 9dba2ccb1a320c5696d2eca98eada6fe74d869e5130cf67ac7ce89b48332aaa7