[INFO] fetching crate mailme 0.1.1...
[INFO] checking mailme-0.1.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate mailme 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate mailme 0.1.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 78 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.7.15 (latest: v1.1.3)
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.6)
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[INFO] [stderr]       Adding lexical-core v0.7.6 (latest: v0.8.5)
[INFO] [stderr]       Adding memchr v2.3.4 (latest: v2.7.4)
[INFO] [stderr]       Adding mio v0.7.14 (latest: v1.0.2)
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[INFO] [stderr]       Adding nom v6.2.2 (latest: v7.1.3)
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[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: v1.10.6)
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[INFO] [stderr]       Adding tokio v0.3.7 (latest: v1.39.3)
[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: v0.26.3)
[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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded tokio-rustls v0.20.0
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded regex v1.4.6
[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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67b18ab75ae751450ed7d45255708ba87794f33cb8f36b846b1ea3d572929158
[INFO] running `Command { std: "docker" "start" "-a" "67b18ab75ae751450ed7d45255708ba87794f33cb8f36b846b1ea3d572929158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67b18ab75ae751450ed7d45255708ba87794f33cb8f36b846b1ea3d572929158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b18ab75ae751450ed7d45255708ba87794f33cb8f36b846b1ea3d572929158", kill_on_drop: false }`
[INFO] [stdout] 67b18ab75ae751450ed7d45255708ba87794f33cb8f36b846b1ea3d572929158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a672b08f461547a399196949e45ed77f7bd9307a27d963636d747b77c9a1fcf3
[INFO] running `Command { std: "docker" "start" "-a" "a672b08f461547a399196949e45ed77f7bd9307a27d963636d747b77c9a1fcf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
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[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 5.01s
[INFO] running `Command { std: "docker" "inspect" "a672b08f461547a399196949e45ed77f7bd9307a27d963636d747b77c9a1fcf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a672b08f461547a399196949e45ed77f7bd9307a27d963636d747b77c9a1fcf3", kill_on_drop: false }`
[INFO] [stdout] a672b08f461547a399196949e45ed77f7bd9307a27d963636d747b77c9a1fcf3