[INFO] fetching crate rush-shell 0.1.1...
[INFO] checking rush-shell-0.1.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate rush-shell 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rush-shell 0.1.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ea32cb141a1105bdbb9cb6f8a6910a7926c1025110d95ecc0232aa3437041c98
[INFO] running `Command { std: "docker" "start" "-a" "ea32cb141a1105bdbb9cb6f8a6910a7926c1025110d95ecc0232aa3437041c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea32cb141a1105bdbb9cb6f8a6910a7926c1025110d95ecc0232aa3437041c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea32cb141a1105bdbb9cb6f8a6910a7926c1025110d95ecc0232aa3437041c98", kill_on_drop: false }`
[INFO] [stdout] ea32cb141a1105bdbb9cb6f8a6910a7926c1025110d95ecc0232aa3437041c98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6dfcbc4777022f23fb2c521ce95f220dc02156afefb774d6d54efc98b199deae
[INFO] running `Command { std: "docker" "start" "-a" "6dfcbc4777022f23fb2c521ce95f220dc02156afefb774d6d54efc98b199deae", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[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 quote v1.0.8
[INFO] [stderr]     Checking atty v0.2.14
[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 10.61s
[INFO] running `Command { std: "docker" "inspect" "6dfcbc4777022f23fb2c521ce95f220dc02156afefb774d6d54efc98b199deae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dfcbc4777022f23fb2c521ce95f220dc02156afefb774d6d54efc98b199deae", kill_on_drop: false }`
[INFO] [stdout] 6dfcbc4777022f23fb2c521ce95f220dc02156afefb774d6d54efc98b199deae