[INFO] cloning repository https://github.com/acm-uic/SIG-Systems-Rust-Shell [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acm-uic/SIG-Systems-Rust-Shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facm-uic%2FSIG-Systems-Rust-Shell", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facm-uic%2FSIG-Systems-Rust-Shell'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2da2531ef7b551989d1eea37a8a88346d92d9b00 [INFO] checking acm-uic/SIG-Systems-Rust-Shell against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facm-uic%2FSIG-Systems-Rust-Shell" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/acm-uic/SIG-Systems-Rust-Shell [INFO] finished tweaking git repo https://github.com/acm-uic/SIG-Systems-Rust-Shell [INFO] tweaked toml for git repo https://github.com/acm-uic/SIG-Systems-Rust-Shell written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/acm-uic/SIG-Systems-Rust-Shell on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/acm-uic/SIG-Systems-Rust-Shell 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" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5edea347a3d0e2d996f2770b0adfa206ecc73051b5771bedebf1ce4d9cf68021 [INFO] running `Command { std: "docker" "start" "-a" "5edea347a3d0e2d996f2770b0adfa206ecc73051b5771bedebf1ce4d9cf68021", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5edea347a3d0e2d996f2770b0adfa206ecc73051b5771bedebf1ce4d9cf68021", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5edea347a3d0e2d996f2770b0adfa206ecc73051b5771bedebf1ce4d9cf68021", kill_on_drop: false }` [INFO] [stdout] 5edea347a3d0e2d996f2770b0adfa206ecc73051b5771bedebf1ce4d9cf68021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15281db448efaa14d1af1353e548838b72811352be615e40604c6fd8b83ddb72 [INFO] running `Command { std: "docker" "start" "-a" "15281db448efaa14d1af1353e548838b72811352be615e40604c6fd8b83ddb72", kill_on_drop: false }` [INFO] [stderr] Checking sig-systems-shell v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `WaitReturn` [INFO] [stdout] --> src/main.rs:5:51 [INFO] [stdout] | [INFO] [stdout] 5 | use safe_wrappers::{fork, exec, wait, ForkReturn, WaitReturn, pipe, close, dup2}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsRawFd` [INFO] [stdout] --> src/main.rs:11:39 [INFO] [stdout] | [INFO] [stdout] 11 | use std::{io::{self, Write}, os::fd::{AsRawFd, RawFd}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `WaitReturn` [INFO] [stdout] --> src/main.rs:5:51 [INFO] [stdout] | [INFO] [stdout] 5 | use safe_wrappers::{fork, exec, wait, ForkReturn, WaitReturn, pipe, close, dup2}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsRawFd` [INFO] [stdout] --> src/main.rs:11:39 [INFO] [stdout] | [INFO] [stdout] 11 | use std::{io::{self, Write}, os::fd::{AsRawFd, RawFd}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnmatchedDelimiterError` is never constructed [INFO] [stdout] --> src/lexer.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct UnmatchedDelimiterError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NonRedirTypeToken` is never constructed [INFO] [stdout] --> src/parser.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct NonRedirTypeToken {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `parse_redir_type` is never used [INFO] [stdout] --> src/parser.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 102 | impl>> Parser { [INFO] [stdout] | ------------------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 207 | fn parse_redir_type(&mut self) -> RedirType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/safe_wrappers.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | Parent(pid_t), [INFO] [stdout] | ------ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 - Parent(pid_t), [INFO] [stdout] 9 + Parent(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pid` and `status` are never read [INFO] [stdout] --> src/safe_wrappers.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 50 | pub(crate) struct WaitReturn { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 51 | pid: pid_t, [INFO] [stdout] | ^^^ [INFO] [stdout] 52 | status: WaitStatus, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/safe_wrappers.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | Exited(i32), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 56 - Exited(i32), [INFO] [stdout] 56 + Exited(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/safe_wrappers.rs:57:16 [INFO] [stdout] | [INFO] [stdout] 57 | TermSignal(i32), [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 57 - TermSignal(i32), [INFO] [stdout] 57 + TermSignal(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/safe_wrappers.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | Stopped(i32), [INFO] [stdout] | ------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 58 - Stopped(i32), [INFO] [stdout] 58 + Stopped(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnmatchedDelimiterError` is never constructed [INFO] [stdout] --> src/lexer.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct UnmatchedDelimiterError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NonRedirTypeToken` is never constructed [INFO] [stdout] --> src/parser.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct NonRedirTypeToken {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `parse_redir_type` is never used [INFO] [stdout] --> src/parser.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 102 | impl>> Parser { [INFO] [stdout] | ------------------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 207 | fn parse_redir_type(&mut self) -> RedirType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/safe_wrappers.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | Parent(pid_t), [INFO] [stdout] | ------ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 - Parent(pid_t), [INFO] [stdout] 9 + Parent(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pid` and `status` are never read [INFO] [stdout] --> src/safe_wrappers.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 50 | pub(crate) struct WaitReturn { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 51 | pid: pid_t, [INFO] [stdout] | ^^^ [INFO] [stdout] 52 | status: WaitStatus, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/safe_wrappers.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | Exited(i32), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 56 - Exited(i32), [INFO] [stdout] 56 + Exited(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/safe_wrappers.rs:57:16 [INFO] [stdout] | [INFO] [stdout] 57 | TermSignal(i32), [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 57 - TermSignal(i32), [INFO] [stdout] 57 + TermSignal(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/safe_wrappers.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | Stopped(i32), [INFO] [stdout] | ------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 58 - Stopped(i32), [INFO] [stdout] 58 + Stopped(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "15281db448efaa14d1af1353e548838b72811352be615e40604c6fd8b83ddb72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15281db448efaa14d1af1353e548838b72811352be615e40604c6fd8b83ddb72", kill_on_drop: false }` [INFO] [stdout] 15281db448efaa14d1af1353e548838b72811352be615e40604c6fd8b83ddb72