[INFO] cloning repository https://github.com/Henning-K/brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Henning-K/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenning-K%2Fbrainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenning-K%2Fbrainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60ebc7f1880b0527f9e258a87f233a89466f19d1
[INFO] checking Henning-K/brainfuck against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenning-K%2Fbrainfuck" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Henning-K/brainfuck on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Henning-K/brainfuck
[INFO] finished tweaking git repo https://github.com/Henning-K/brainfuck
[INFO] tweaked toml for git repo https://github.com/Henning-K/brainfuck written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Henning-K/brainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4aadf9734b0e1f9819f978b3e8b2637137270ffc96d3facf679c8d39670e57b
[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" "e4aadf9734b0e1f9819f978b3e8b2637137270ffc96d3facf679c8d39670e57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4aadf9734b0e1f9819f978b3e8b2637137270ffc96d3facf679c8d39670e57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4aadf9734b0e1f9819f978b3e8b2637137270ffc96d3facf679c8d39670e57b", kill_on_drop: false }`
[INFO] [stdout] e4aadf9734b0e1f9819f978b3e8b2637137270ffc96d3facf679c8d39670e57b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2246f03d1fc057f248c3fe76b4b63488c19d8cd8e7b67c1f5de5b25ee92a2b4d
[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" "2246f03d1fc057f248c3fe76b4b63488c19d8cd8e7b67c1f5de5b25ee92a2b4d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking bflib v0.2.0 (/opt/rustwide/workdir/bflib)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> bflib/src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / error_chain! {
[INFO] [stdout] 10 | |     foreign_links {
[INFO] [stdout] 11 | |         Io(::std::io::Error);
[INFO] [stdout] 12 | |     }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> bflib/src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / error_chain! {
[INFO] [stdout] 10 | |     foreign_links {
[INFO] [stdout] 11 | |         Io(::std::io::Error);
[INFO] [stdout] 12 | |     }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> bflib/src/tokenize.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |         for (i, ch) in self.chars().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut f = try!(File::open(inp));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut f = try!(File::open(inp));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | / error_chain! {
[INFO] [stdout] 27 | |     links {
[INFO] [stdout] 28 | |         BFLib(::bflib::Error, ::bflib::ErrorKind);
[INFO] [stdout] 29 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | / error_chain! {
[INFO] [stdout] 27 | |     links {
[INFO] [stdout] 28 | |         BFLib(::bflib::Error, ::bflib::ErrorKind);
[INFO] [stdout] 29 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | / error_chain! {
[INFO] [stdout] 27 | |     links {
[INFO] [stdout] 28 | |         BFLib(::bflib::Error, ::bflib::ErrorKind);
[INFO] [stdout] 29 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | / error_chain! {
[INFO] [stdout] 27 | |     links {
[INFO] [stdout] 28 | |         BFLib(::bflib::Error, ::bflib::ErrorKind);
[INFO] [stdout] 29 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.91s
[INFO] running `Command { std: "docker" "inspect" "2246f03d1fc057f248c3fe76b4b63488c19d8cd8e7b67c1f5de5b25ee92a2b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2246f03d1fc057f248c3fe76b4b63488c19d8cd8e7b67c1f5de5b25ee92a2b4d", kill_on_drop: false }`
[INFO] [stdout] 2246f03d1fc057f248c3fe76b4b63488c19d8cd8e7b67c1f5de5b25ee92a2b4d