[INFO] cloning repository https://github.com/shibe23/rust-gnu-commands
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shibe23/rust-gnu-commands" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshibe23%2Frust-gnu-commands", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshibe23%2Frust-gnu-commands'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86b9317370f51735f3d12531c8afdfa481af01d1
[INFO] checking shibe23/rust-gnu-commands against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshibe23%2Frust-gnu-commands" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shibe23/rust-gnu-commands on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shibe23/rust-gnu-commands
[INFO] finished tweaking git repo https://github.com/shibe23/rust-gnu-commands
[INFO] tweaked toml for git repo https://github.com/shibe23/rust-gnu-commands written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shibe23/rust-gnu-commands 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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30d75006a64cc9d49681bb64a1d8b75836aa1a4135e5980b6548ef7a411b7ce8
[INFO] running `Command { std: "docker" "start" "-a" "30d75006a64cc9d49681bb64a1d8b75836aa1a4135e5980b6548ef7a411b7ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30d75006a64cc9d49681bb64a1d8b75836aa1a4135e5980b6548ef7a411b7ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d75006a64cc9d49681bb64a1d8b75836aa1a4135e5980b6548ef7a411b7ce8", kill_on_drop: false }`
[INFO] [stdout] 30d75006a64cc9d49681bb64a1d8b75836aa1a4135e5980b6548ef7a411b7ce8
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1776e8ff0be4194adad8d6abec08ecaf86a4fc3edf1488889a2b464893521937
[INFO] running `Command { std: "docker" "start" "-a" "1776e8ff0be4194adad8d6abec08ecaf86a4fc3edf1488889a2b464893521937", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking rust-coreutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]   --> src/cat.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn initialize(stdout: &mut StdoutLock, stderr: &mut Stderr) -> Program {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stderr`
[INFO] [stdout]   --> src/cat.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn initialize(stdout: &mut StdoutLock, stderr: &mut Stderr) -> Program {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stderr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]    --> src/cat.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let stdin = io::stdin();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_count`
[INFO] [stdout]    --> src/cat.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let line_count= &mut 0usize;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]    --> src/cat.rs:103:27
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn and_execute(&self, stdout: &mut StdoutLock, stderr: &mut Stderr) -> i32 {
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stderr`
[INFO] [stdout]    --> src/cat.rs:103:52
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn and_execute(&self, stdout: &mut StdoutLock, stderr: &mut Stderr) -> i32 {
[INFO] [stdout]     |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stderr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cat` is never used
[INFO] [stdout]    --> src/cat.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn cat() {}
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_cat` is never used
[INFO] [stdout]    --> src/cat.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn simple_cat() {}
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vE` should have a snake case name
[INFO] [stdout]   --> src/cat.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     vE: bool,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vT` should have a snake case name
[INFO] [stdout]   --> src/cat.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     vT: bool,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]   --> src/cat.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn initialize(stdout: &mut StdoutLock, stderr: &mut Stderr) -> Program {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stderr`
[INFO] [stdout]   --> src/cat.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn initialize(stdout: &mut StdoutLock, stderr: &mut Stderr) -> Program {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stderr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]    --> src/cat.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let stdin = io::stdin();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_count`
[INFO] [stdout]    --> src/cat.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let line_count= &mut 0usize;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]    --> src/cat.rs:103:27
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn and_execute(&self, stdout: &mut StdoutLock, stderr: &mut Stderr) -> i32 {
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stderr`
[INFO] [stdout]    --> src/cat.rs:103:52
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn and_execute(&self, stdout: &mut StdoutLock, stderr: &mut Stderr) -> i32 {
[INFO] [stdout]     |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stderr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cat` is never used
[INFO] [stdout]    --> src/cat.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn cat() {}
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_cat` is never used
[INFO] [stdout]    --> src/cat.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn simple_cat() {}
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vE` should have a snake case name
[INFO] [stdout]   --> src/cat.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     vE: bool,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vT` should have a snake case name
[INFO] [stdout]   --> src/cat.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     vT: bool,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "1776e8ff0be4194adad8d6abec08ecaf86a4fc3edf1488889a2b464893521937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1776e8ff0be4194adad8d6abec08ecaf86a4fc3edf1488889a2b464893521937", kill_on_drop: false }`
[INFO] [stdout] 1776e8ff0be4194adad8d6abec08ecaf86a4fc3edf1488889a2b464893521937