[INFO] fetching crate zip 0.6.6... [INFO] checking zip-0.6.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate zip 0.6.6 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate zip 0.6.6 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 zip 0.6.6 [INFO] finished tweaking crates.io crate zip 0.6.6 [INFO] tweaked toml for crates.io crate zip 0.6.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate zip 0.6.6 already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded time v0.3.21 [INFO] [stderr] Downloaded digest v0.10.6 [INFO] [stderr] Downloaded bencher v0.1.5 [INFO] [stderr] Downloaded getrandom v0.2.9 [INFO] [stderr] Downloaded aes v0.8.2 [INFO] [stderr] Downloaded libc v0.2.144 [INFO] [stderr] Downloaded serde v1.0.162 [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] 87d9f4d2d5a0c888a751f0eb66722bd05f9740cc093c9b896017bb969f5197b9 [INFO] running `Command { std: "docker" "start" "-a" "87d9f4d2d5a0c888a751f0eb66722bd05f9740cc093c9b896017bb969f5197b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87d9f4d2d5a0c888a751f0eb66722bd05f9740cc093c9b896017bb969f5197b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87d9f4d2d5a0c888a751f0eb66722bd05f9740cc093c9b896017bb969f5197b9", kill_on_drop: false }` [INFO] [stdout] 87d9f4d2d5a0c888a751f0eb66722bd05f9740cc093c9b896017bb969f5197b9 [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] a51fae97cecea1c195e25e98e205f08dd7de3a761660936cd8b29714279d1e05 [INFO] running `Command { std: "docker" "start" "-a" "a51fae97cecea1c195e25e98e205f08dd7de3a761660936cd8b29714279d1e05", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Checking cpufeatures v0.2.7 [INFO] [stderr] Compiling zstd-safe v5.0.2+zstd.1.5.2 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling time-core v0.1.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking base64ct v1.6.0 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Compiling time-macros v0.2.9 [INFO] [stderr] Checking password-hash v0.4.2 [INFO] [stderr] Checking flate2 v1.0.26 [INFO] [stderr] Compiling jobserver v0.1.26 [INFO] [stderr] Checking getrandom v0.2.9 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking generic-array v0.14.7 [INFO] [stderr] Checking time v0.3.21 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking inout v0.1.3 [INFO] [stderr] Compiling zstd-sys v2.0.8+zstd.1.5.5 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Checking cipher v0.4.4 [INFO] [stderr] Checking digest v0.10.6 [INFO] [stderr] Checking aes v0.8.2 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking sha2 v0.10.6 [INFO] [stderr] Checking sha1 v0.10.5 [INFO] [stderr] Checking pbkdf2 v0.11.0 [INFO] [stderr] Checking bzip2 v0.4.4 [INFO] [stderr] Checking zstd v0.11.2+zstd.1.5.2 [INFO] [stderr] Checking zip v0.6.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/write.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/crc32.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 57 | use super::*; [INFO] [stdout] | -------- the item `Read` is already imported here [INFO] [stdout] 58 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/read/stream.rs:217:9 [INFO] [stdout] | [INFO] [stdout] 215 | use super::*; [INFO] [stdout] | -------- the item `io` is already imported here [INFO] [stdout] 216 | use std::collections::BTreeSet; [INFO] [stdout] 217 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/write.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/write.rs:414:17 [INFO] [stdout] | [INFO] [stdout] 414 | let mut crypto_header = [0u8; 12]; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/write.rs:414:17 [INFO] [stdout] | [INFO] [stdout] 414 | let mut crypto_header = [0u8; 12]; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Seek` is imported redundantly [INFO] [stdout] --> tests/end_to_end.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Seek` is already imported here [INFO] [stdout] 4 | use std::io::{Cursor, Seek}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> tests/end_to_end.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Seek` is imported redundantly [INFO] [stdout] --> examples/write_dir.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Seek` is already imported here [INFO] [stdout] 2 | use std::io::{Seek, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> examples/write_dir.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Write` is already imported here [INFO] [stdout] 2 | use std::io::{Seek, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> examples/write_dir.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::str::from_utf8` with a invalid literal always return an error [INFO] [stdout] --> src/cp437.rs:193:17 [INFO] [stdout] | [INFO] [stdout] 192 | let data = b"Cura\x87ao"; [INFO] [stdout] | ------------- the literal was valid UTF-8 up to the 4 bytes [INFO] [stdout] 193 | assert!(::std::str::from_utf8(data).is_err()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_from_utf8)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.45s [INFO] running `Command { std: "docker" "inspect" "a51fae97cecea1c195e25e98e205f08dd7de3a761660936cd8b29714279d1e05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a51fae97cecea1c195e25e98e205f08dd7de3a761660936cd8b29714279d1e05", kill_on_drop: false }` [INFO] [stdout] a51fae97cecea1c195e25e98e205f08dd7de3a761660936cd8b29714279d1e05