[INFO] cloning repository https://github.com/rikodao/rustybox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rikodao/rustybox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikodao%2Frustybox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikodao%2Frustybox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1f7e61f44a5a8d8d57f0b32787a1b6dddcfd111d [INFO] checking rikodao/rustybox against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikodao%2Frustybox" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rikodao/rustybox [INFO] finished tweaking git repo https://github.com/rikodao/rustybox [INFO] tweaked toml for git repo https://github.com/rikodao/rustybox written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rikodao/rustybox on toolchain 8a0378607d6b34c242e3bfa75554871be641864b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rikodao/rustybox 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" "+8a0378607d6b34c242e3bfa75554871be641864b" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e9215fb34f37d17ea3f9ee5993725af6cdd2b04face8ea0117af8e042ebbb2c [INFO] running `Command { std: "docker" "start" "-a" "7e9215fb34f37d17ea3f9ee5993725af6cdd2b04face8ea0117af8e042ebbb2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e9215fb34f37d17ea3f9ee5993725af6cdd2b04face8ea0117af8e042ebbb2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e9215fb34f37d17ea3f9ee5993725af6cdd2b04face8ea0117af8e042ebbb2c", kill_on_drop: false }` [INFO] [stdout] 7e9215fb34f37d17ea3f9ee5993725af6cdd2b04face8ea0117af8e042ebbb2c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba5a60a9852548891795d9e4767779202e044b20edcd9ebd27073b330cde828c [INFO] running `Command { std: "docker" "start" "-a" "ba5a60a9852548891795d9e4767779202e044b20edcd9ebd27073b330cde828c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rustybox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/bin/ls.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `all` is never used [INFO] [stdout] --> src/bin/ls.rs:22:19 [INFO] [stdout] | [INFO] [stdout] 18 | impl LsOption { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 22 | pub(crate) fn all(mut self, all: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `option` is never read [INFO] [stdout] --> src/bin/ls.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Ls { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 32 | path: PathBuf, [INFO] [stdout] 33 | option: LsOption, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_from_cli` is never used [INFO] [stdout] --> src/bin/ls.rs:44:19 [INFO] [stdout] | [INFO] [stdout] 36 | impl Ls { [INFO] [stdout] | ------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 44 | pub(crate) fn new_from_cli(args: &mut Args) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `option` is never read [INFO] [stdout] --> src/bin/ls.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Ls { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 32 | path: PathBuf, [INFO] [stdout] 33 | option: LsOption, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `option` is never read [INFO] [stdout] --> src/bin/ls.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Ls { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 32 | path: PathBuf, [INFO] [stdout] 33 | option: LsOption, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `all` is never used [INFO] [stdout] --> src/bin/cat.rs:23:19 [INFO] [stdout] | [INFO] [stdout] 19 | impl CatOption { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 23 | pub(crate) fn all(mut self, all: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `option` is never read [INFO] [stdout] --> src/bin/cat.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Cat { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 33 | path: PathBuf, [INFO] [stdout] 34 | option: CatOption, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `option` is never read [INFO] [stdout] --> src/bin/ls.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Ls { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 32 | path: PathBuf, [INFO] [stdout] 33 | option: LsOption, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/cat.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | f.read_to_string(&mut content); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | let _ = f.read_to_string(&mut content); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/bin/ls.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `option` is never read [INFO] [stdout] --> src/bin/ls.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Ls { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 32 | path: PathBuf, [INFO] [stdout] 33 | option: LsOption, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `all` is never used [INFO] [stdout] --> src/bin/cat.rs:23:19 [INFO] [stdout] | [INFO] [stdout] 19 | impl CatOption { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 23 | pub(crate) fn all(mut self, all: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `option` is never read [INFO] [stdout] --> src/bin/cat.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Cat { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 33 | path: PathBuf, [INFO] [stdout] 34 | option: CatOption, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `option` is never read [INFO] [stdout] --> src/bin/ls.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Ls { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 32 | path: PathBuf, [INFO] [stdout] 33 | option: LsOption, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/cat.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | f.read_to_string(&mut content); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | let _ = f.read_to_string(&mut content); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.67s [INFO] running `Command { std: "docker" "inspect" "ba5a60a9852548891795d9e4767779202e044b20edcd9ebd27073b330cde828c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba5a60a9852548891795d9e4767779202e044b20edcd9ebd27073b330cde828c", kill_on_drop: false }` [INFO] [stdout] ba5a60a9852548891795d9e4767779202e044b20edcd9ebd27073b330cde828c