[INFO] fetching crate maildir-pack 0.1.0... [INFO] checking maildir-pack-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate maildir-pack 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate maildir-pack 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 maildir-pack 0.1.0 [INFO] finished tweaking crates.io crate maildir-pack 0.1.0 [INFO] tweaked toml for crates.io crate maildir-pack 0.1.0 written to /workspace/builds/worker-1-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 105 packages [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding block-buffer v0.3.3 (latest: v0.10.4) [INFO] [stderr] Adding byte-tools v0.2.0 (latest: v0.3.1) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding digest v0.7.6 (latest: v0.10.7) [INFO] [stderr] Adding encode_unicode v0.3.6 (latest: v1.0.0) [INFO] [stderr] Adding generic-array v0.9.1 (latest: v1.0.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding indicatif v0.9.0 (latest: v0.17.8) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.4.0) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [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 rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding remove_dir_all v0.5.3 (latest: v0.8.2) [INFO] [stderr] Adding sha2 v0.7.1 (latest: v0.10.8) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sha2 v0.7.1 [INFO] [stderr] Downloaded byte-tools v0.2.0 [INFO] [stderr] Downloaded generic-array v0.9.1 [INFO] [stderr] Downloaded leak v0.1.2 [INFO] [stderr] Downloaded block-buffer v0.3.3 [INFO] [stderr] Downloaded digest v0.7.6 [INFO] [stderr] Downloaded indicatif v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4cf80fa6c7d662ede128df56e003188a58ca965c1f900e198f9f707515f695fa [INFO] running `Command { std: "docker" "start" "-a" "4cf80fa6c7d662ede128df56e003188a58ca965c1f900e198f9f707515f695fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cf80fa6c7d662ede128df56e003188a58ca965c1f900e198f9f707515f695fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cf80fa6c7d662ede128df56e003188a58ca965c1f900e198f9f707515f695fa", kill_on_drop: false }` [INFO] [stdout] 4cf80fa6c7d662ede128df56e003188a58ca965c1f900e198f9f707515f695fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3efd3331007d4f18e3691b9eac323ff3ac5a351415d25fe92cb727f98ac940ac [INFO] running `Command { std: "docker" "start" "-a" "3efd3331007d4f18e3691b9eac323ff3ac5a351415d25fe92cb727f98ac940ac", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling lzma-sys v0.1.20 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking generic-array v0.9.1 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking console v0.15.8 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking leak v0.1.2 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking xz2 v0.1.7 [INFO] [stderr] Checking xattr v1.3.1 [INFO] [stderr] Checking tar v0.4.40 [INFO] [stderr] Checking indicatif v0.9.0 [INFO] [stderr] Checking maildir-pack v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `DateTime` is imported redundantly [INFO] [stdout] --> src/classify.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 24 | use super::*; [INFO] [stdout] | -------- the item `DateTime` is already imported here [INFO] [stdout] 25 | [INFO] [stdout] 26 | use chrono::DateTime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tar` is imported redundantly [INFO] [stdout] --> src/execute.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | use tar::{self, Archive as TarArchive, Builder as TarBuilder}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate tar; [INFO] [stdout] | ----------------- the item `tar` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tar` is imported redundantly [INFO] [stdout] --> src/execute.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | use tar::{self, Archive as TarArchive, Builder as TarBuilder}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate tar; [INFO] [stdout] | ----------------- the item `tar` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> tests/basic.rs:92:45 [INFO] [stdout] | [INFO] [stdout] 92 | let mut buf: [u8; 4096] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 4096]` does not permit being left uninitialized [INFO] [stdout] --> tests/basic.rs:92:40 [INFO] [stdout] | [INFO] [stdout] 92 | let mut buf: [u8; 4096] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` 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 7.88s [INFO] running `Command { std: "docker" "inspect" "3efd3331007d4f18e3691b9eac323ff3ac5a351415d25fe92cb727f98ac940ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3efd3331007d4f18e3691b9eac323ff3ac5a351415d25fe92cb727f98ac940ac", kill_on_drop: false }` [INFO] [stdout] 3efd3331007d4f18e3691b9eac323ff3ac5a351415d25fe92cb727f98ac940ac