[INFO] cloning repository https://github.com/murtyjones/uuencode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murtyjones/uuencode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurtyjones%2Fuuencode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurtyjones%2Fuuencode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b276374449feccbdf5e9a76cdadda5dc0c63c74e [INFO] checking murtyjones/uuencode against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurtyjones%2Fuuencode" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/murtyjones/uuencode [INFO] finished tweaking git repo https://github.com/murtyjones/uuencode [INFO] tweaked toml for git repo https://github.com/murtyjones/uuencode written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/murtyjones/uuencode on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/murtyjones/uuencode 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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking murtyjones/uuencode against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurtyjones%2Fuuencode" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/murtyjones/uuencode [INFO] finished tweaking git repo https://github.com/murtyjones/uuencode [INFO] tweaked toml for git repo https://github.com/murtyjones/uuencode written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/murtyjones/uuencode on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/murtyjones/uuencode 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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 445ef432ebb95c9715369e57f3a11d4c87a02224cf466233b5e59acd37a89e57 [INFO] running `Command { std: "docker" "start" "-a" "445ef432ebb95c9715369e57f3a11d4c87a02224cf466233b5e59acd37a89e57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "445ef432ebb95c9715369e57f3a11d4c87a02224cf466233b5e59acd37a89e57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "445ef432ebb95c9715369e57f3a11d4c87a02224cf466233b5e59acd37a89e57", kill_on_drop: false }` [INFO] [stdout] 445ef432ebb95c9715369e57f3a11d4c87a02224cf466233b5e59acd37a89e57 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a91c7a30ffb9bca0da9ba5d6750108b7e6401e5fed410435c40e952158c9004 [INFO] running `Command { std: "docker" "start" "-a" "0a91c7a30ffb9bca0da9ba5d6750108b7e6401e5fed410435c40e952158c9004", kill_on_drop: false }` [INFO] [stderr] Checking uuencode v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::*` [INFO] [stdout] --> src/lib.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | use crate::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/lib.rs:90:1 [INFO] [stdout] | [INFO] [stdout] 90 | mod test { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/lib.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/lib.rs:90:1 [INFO] [stdout] | [INFO] [stdout] 90 | mod test { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/lib.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_to_file` is never used [INFO] [stdout] --> src/lib.rs:95:8 [INFO] [stdout] | [INFO] [stdout] 95 | fn write_to_file(filename: String, data: &[u8]) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/lib.rs:14:45 [INFO] [stdout] | [INFO] [stdout] 14 | output.extend(uuencode_chuck(c).into_iter()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 14 - output.extend(uuencode_chuck(c).into_iter()); [INFO] [stdout] 14 + output.extend(uuencode_chuck(c).iter()); [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 14 - output.extend(uuencode_chuck(c).into_iter()); [INFO] [stdout] 14 + output.extend(IntoIterator::into_iter(uuencode_chuck(c))); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `encoded` [INFO] [stdout] --> src/lib.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 128 | let encoded = uuencode(filename, decoded.0.as_slice()); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `encoded` [INFO] [stdout] --> src/lib.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | let encoded = uuencode(filename, decoded.0.as_slice()); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `encoded` [INFO] [stdout] --> src/lib.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let encoded = uuencode(filename, decoded.0.as_slice()); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/lib.rs:14:45 [INFO] [stdout] | [INFO] [stdout] 14 | output.extend(uuencode_chuck(c).into_iter()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 14 - output.extend(uuencode_chuck(c).into_iter()); [INFO] [stdout] 14 + output.extend(uuencode_chuck(c).iter()); [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 14 - output.extend(uuencode_chuck(c).into_iter()); [INFO] [stdout] 14 + output.extend(IntoIterator::into_iter(uuencode_chuck(c))); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:129:9 [INFO] [stdout] | [INFO] [stdout] 129 | write_to_file(decoded.1, decoded.0.as_slice()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 129 | let _ = write_to_file(decoded.1, decoded.0.as_slice()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | write_to_file(decoded.1, decoded.0.as_slice()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 139 | let _ = write_to_file(decoded.1, decoded.0.as_slice()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | write_to_file(decoded.1, decoded.0.as_slice()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 149 | let _ = write_to_file(decoded.1, decoded.0.as_slice()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "0a91c7a30ffb9bca0da9ba5d6750108b7e6401e5fed410435c40e952158c9004", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a91c7a30ffb9bca0da9ba5d6750108b7e6401e5fed410435c40e952158c9004", kill_on_drop: false }` [INFO] [stdout] 0a91c7a30ffb9bca0da9ba5d6750108b7e6401e5fed410435c40e952158c9004