[INFO] cloning repository https://github.com/h-michael/script-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/h-michael/script-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh-michael%2Fscript-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh-michael%2Fscript-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94507a5b2b1da511eb227c26bf3567ad2dc7cdcb
[INFO] checking h-michael/script-rs against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh-michael%2Fscript-rs" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/h-michael/script-rs on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/h-michael/script-rs
[INFO] finished tweaking git repo https://github.com/h-michael/script-rs
[INFO] tweaked toml for git repo https://github.com/h-michael/script-rs written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/h-michael/script-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d0c4ef2490b534c31df7c7b4fbb52601dca0753d931719cbbe77a072c71b351
[INFO] running `Command { std: "docker" "start" "-a" "5d0c4ef2490b534c31df7c7b4fbb52601dca0753d931719cbbe77a072c71b351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d0c4ef2490b534c31df7c7b4fbb52601dca0753d931719cbbe77a072c71b351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d0c4ef2490b534c31df7c7b4fbb52601dca0753d931719cbbe77a072c71b351", kill_on_drop: false }`
[INFO] [stdout] 5d0c4ef2490b534c31df7c7b4fbb52601dca0753d931719cbbe77a072c71b351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63f4825c00748f4ce8fe992611b1647dac8a28a1214cfa89225e2a1732b61c60
[INFO] running `Command { std: "docker" "start" "-a" "63f4825c00748f4ce8fe992611b1647dac8a28a1214cfa89225e2a1732b61c60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking script-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable definition
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 execv(&shell, &[]).expect("can not exec shell");
[INFO] [stdout]    |                 ----------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 67 |     let master_fd = match master_fd {
[INFO] [stdout]    |         ^^^^^^^^^ unreachable definition
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 execv(&shell, &[]).expect("can not exec shell");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable definition
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 execv(&shell, &[]).expect("can not exec shell");
[INFO] [stdout]    |                 ----------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 67 |     let master_fd = match master_fd {
[INFO] [stdout]    |         ^^^^^^^^^ unreachable definition
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 execv(&shell, &[]).expect("can not exec shell");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable definition
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 execv(&shell, &[]).expect("can not exec shell");
[INFO] [stdout]    |                 ----------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 67 |     let master_fd = match master_fd {
[INFO] [stdout]    |         ^^^^^^^^^ unreachable definition
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 execv(&shell, &[]).expect("can not exec shell");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable definition
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 execv(&shell, &[]).expect("can not exec shell");
[INFO] [stdout]    |                 ----------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 67 |     let master_fd = match master_fd {
[INFO] [stdout]    |         ^^^^^^^^^ unreachable definition
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 execv(&shell, &[]).expect("can not exec shell");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "63f4825c00748f4ce8fe992611b1647dac8a28a1214cfa89225e2a1732b61c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f4825c00748f4ce8fe992611b1647dac8a28a1214cfa89225e2a1732b61c60", kill_on_drop: false }`
[INFO] [stdout] 63f4825c00748f4ce8fe992611b1647dac8a28a1214cfa89225e2a1732b61c60