[INFO] fetching crate rush-shell 0.1.1...
[INFO] checking rush-shell-0.1.1 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate rush-shell 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rush-shell 0.1.1 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rush-shell 0.1.1
[INFO] finished tweaking crates.io crate rush-shell 0.1.1
[INFO] tweaked toml for crates.io crate rush-shell 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate rush-shell 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0d3c8bdfa50a1166f79c62cebdf2c826407dad7c704061e01e9d333c9a3ee9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d0d3c8bdfa50a1166f79c62cebdf2c826407dad7c704061e01e9d333c9a3ee9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0d3c8bdfa50a1166f79c62cebdf2c826407dad7c704061e01e9d333c9a3ee9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d3c8bdfa50a1166f79c62cebdf2c826407dad7c704061e01e9d333c9a3ee9c", kill_on_drop: false }`
[INFO] [stdout] d0d3c8bdfa50a1166f79c62cebdf2c826407dad7c704061e01e9d333c9a3ee9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c191e242d975577f1bd39999146afe41dfb301cb148a8219eb6677bbeafc3a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9c191e242d975577f1bd39999146afe41dfb301cb148a8219eb6677bbeafc3a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking rush-shell v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `OBJECT_IN_FILE_NUMBER`
[INFO] [stdout]   --> src/io.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const OBJECT_IN_FILE_NUMBER: i32 = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OBJECT_OUT_FILE_NUMBER`
[INFO] [stdout]   --> src/io.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const OBJECT_OUT_FILE_NUMBER: i32 = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OBJECT_ERR_FILE_NUMBER`
[INFO] [stdout]   --> src/io.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const OBJECT_ERR_FILE_NUMBER: i32 = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_stdin`
[INFO] [stdout]   --> src/io.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn is_stdin(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_script`
[INFO] [stdout]   --> src/io.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn is_script(&self) -> bool { !self.is_stdin() }
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OBJECT_IN_FILE_NUMBER`
[INFO] [stdout]   --> src/io.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const OBJECT_IN_FILE_NUMBER: i32 = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OBJECT_OUT_FILE_NUMBER`
[INFO] [stdout]   --> src/io.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const OBJECT_OUT_FILE_NUMBER: i32 = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OBJECT_ERR_FILE_NUMBER`
[INFO] [stdout]   --> src/io.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const OBJECT_ERR_FILE_NUMBER: i32 = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_stdin`
[INFO] [stdout]   --> src/io.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn is_stdin(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_script`
[INFO] [stdout]   --> src/io.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn is_script(&self) -> bool { !self.is_stdin() }
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.26s
[INFO] running `Command { std: "docker" "inspect" "9c191e242d975577f1bd39999146afe41dfb301cb148a8219eb6677bbeafc3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c191e242d975577f1bd39999146afe41dfb301cb148a8219eb6677bbeafc3a7", kill_on_drop: false }`
[INFO] [stdout] 9c191e242d975577f1bd39999146afe41dfb301cb148a8219eb6677bbeafc3a7