[INFO] cloning repository https://github.com/Pranav2612000/tsh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pranav2612000/tsh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPranav2612000%2Ftsh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPranav2612000%2Ftsh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 268728b7355cb31bf8edf6a5bb946a3b9c401246
[INFO] building Pranav2612000/tsh against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPranav2612000%2Ftsh" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pranav2612000/tsh on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pranav2612000/tsh
[INFO] finished tweaking git repo https://github.com/Pranav2612000/tsh
[INFO] tweaked toml for git repo https://github.com/Pranav2612000/tsh written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Pranav2612000/tsh 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fb9415428c6439cf23458009d0abe4964ba2fdfda4400d1db4fd676ce02ba96
[INFO] running `Command { std: "docker" "start" "-a" "2fb9415428c6439cf23458009d0abe4964ba2fdfda4400d1db4fd676ce02ba96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fb9415428c6439cf23458009d0abe4964ba2fdfda4400d1db4fd676ce02ba96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb9415428c6439cf23458009d0abe4964ba2fdfda4400d1db4fd676ce02ba96", kill_on_drop: false }`
[INFO] [stdout] 2fb9415428c6439cf23458009d0abe4964ba2fdfda4400d1db4fd676ce02ba96
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aac55b3dfc6d8ceaca78761f146ec766448d9723bfd43ec2e5998eca44fcbfa3
[INFO] running `Command { std: "docker" "start" "-a" "aac55b3dfc6d8ceaca78761f146ec766448d9723bfd43ec2e5998eca44fcbfa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling directories v3.0.1
[INFO] [stderr]    Compiling tsh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 |     if(args[1] == "-h".to_string()) {
[INFO] [stdout]    |       ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -     if(args[1] == "-h".to_string()) {
[INFO] [stdout] 43 +     if args[1] == "-h".to_string() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     file.write_all(cmd.as_bytes());
[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] 175 |     let _ = file.write_all(cmd.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "aac55b3dfc6d8ceaca78761f146ec766448d9723bfd43ec2e5998eca44fcbfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac55b3dfc6d8ceaca78761f146ec766448d9723bfd43ec2e5998eca44fcbfa3", kill_on_drop: false }`
[INFO] [stdout] aac55b3dfc6d8ceaca78761f146ec766448d9723bfd43ec2e5998eca44fcbfa3
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 301d18bdd212178c427ed8651fe8de07038eb781a772580404a3d8b0fd825c95
[INFO] running `Command { std: "docker" "start" "-a" "301d18bdd212178c427ed8651fe8de07038eb781a772580404a3d8b0fd825c95", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 |     if(args[1] == "-h".to_string()) {
[INFO] [stdout]    |       ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -     if(args[1] == "-h".to_string()) {
[INFO] [stdout] 43 +     if args[1] == "-h".to_string() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     file.write_all(cmd.as_bytes());
[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] 175 |     let _ = file.write_all(cmd.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tsh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 |     if(args[1] == "-h".to_string()) {
[INFO] [stdout]    |       ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -     if(args[1] == "-h".to_string()) {
[INFO] [stdout] 43 +     if args[1] == "-h".to_string() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     file.write_all(cmd.as_bytes());
[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] 175 |     let _ = file.write_all(cmd.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "301d18bdd212178c427ed8651fe8de07038eb781a772580404a3d8b0fd825c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301d18bdd212178c427ed8651fe8de07038eb781a772580404a3d8b0fd825c95", kill_on_drop: false }`
[INFO] [stdout] 301d18bdd212178c427ed8651fe8de07038eb781a772580404a3d8b0fd825c95