[INFO] fetching crate zip_next 0.10.3... [INFO] checking zip_next-0.10.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate zip_next 0.10.3 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate zip_next 0.10.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate zip_next 0.10.3 [INFO] finished tweaking crates.io crate zip_next 0.10.3 [INFO] tweaked toml for crates.io crate zip_next 0.10.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate zip_next 0.10.3 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zopfli v0.7.4 [INFO] [stderr] Downloaded derive_arbitrary v1.3.0 [INFO] [stderr] Downloaded libz-ng-sys v1.1.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 743974981f5cdc83ea1a2515acb9a6dcc8f5da777cc702fd8952650473bd5aaf [INFO] running `Command { std: "docker" "start" "-a" "743974981f5cdc83ea1a2515acb9a6dcc8f5da777cc702fd8952650473bd5aaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "743974981f5cdc83ea1a2515acb9a6dcc8f5da777cc702fd8952650473bd5aaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "743974981f5cdc83ea1a2515acb9a6dcc8f5da777cc702fd8952650473bd5aaf", kill_on_drop: false }` [INFO] [stdout] 743974981f5cdc83ea1a2515acb9a6dcc8f5da777cc702fd8952650473bd5aaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60174dea6fcd4e5eec1dc7da75146e7ad055c166a94ef105054e9710dee2fdad [INFO] running `Command { std: "docker" "start" "-a" "60174dea6fcd4e5eec1dc7da75146e7ad055c166a94ef105054e9710dee2fdad", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Compiling zstd-safe v6.0.5+zstd.1.5.4 [INFO] [stderr] Compiling log v0.4.18 [INFO] [stderr] Checking cpufeatures v0.2.7 [INFO] [stderr] Compiling time-core v0.1.1 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking simd-adler32 v0.3.5 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Compiling time-macros v0.2.9 [INFO] [stderr] Checking zopfli v0.7.4 [INFO] [stderr] Compiling jobserver v0.1.26 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking time v0.3.22 [INFO] [stderr] Checking generic-array v0.14.7 [INFO] [stderr] Compiling cmake v0.1.50 [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] Checking cipher v0.4.4 [INFO] [stderr] Checking digest v0.10.7 [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] Compiling libz-ng-sys v1.1.9 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking sha1 v0.10.5 [INFO] [stderr] Checking aes v0.8.3 [INFO] [stderr] Checking pbkdf2 v0.12.1 [INFO] [stderr] Checking bzip2 v0.4.4 [INFO] [stderr] Checking zstd v0.12.3+zstd.1.5.2 [INFO] [stderr] Checking flate2 v1.0.26 [INFO] [stderr] Checking zip_next v0.10.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/write.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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 `HashMap` is imported redundantly [INFO] [stdout] --> src/write.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 103 | use super::*; [INFO] [stdout] | -------- the item `HashMap` is already imported here [INFO] [stdout] 104 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [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:216:9 [INFO] [stdout] | [INFO] [stdout] 214 | use super::*; [INFO] [stdout] | -------- the item `io` is already imported here [INFO] [stdout] 215 | use std::collections::BTreeSet; [INFO] [stdout] 216 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/write.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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: the item `HashMap` is imported redundantly [INFO] [stdout] --> src/write.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 103 | use super::*; [INFO] [stdout] | -------- the item `HashMap` is already imported here [INFO] [stdout] 104 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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: 3 warnings emitted [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.42s [INFO] running `Command { std: "docker" "inspect" "60174dea6fcd4e5eec1dc7da75146e7ad055c166a94ef105054e9710dee2fdad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60174dea6fcd4e5eec1dc7da75146e7ad055c166a94ef105054e9710dee2fdad", kill_on_drop: false }` [INFO] [stdout] 60174dea6fcd4e5eec1dc7da75146e7ad055c166a94ef105054e9710dee2fdad