[INFO] fetching crate rcombinators 0.1.0...
[INFO] checking rcombinators-0.1.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate rcombinators 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rcombinators 0.1.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcombinators 0.1.0
[INFO] finished tweaking crates.io crate rcombinators 0.1.0
[INFO] tweaked toml for crates.io crate rcombinators 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7267c9b1ca04d0350c1581b1c245b13366fc192654b26dc179e051f34fdc5ad
[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" "c7267c9b1ca04d0350c1581b1c245b13366fc192654b26dc179e051f34fdc5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7267c9b1ca04d0350c1581b1c245b13366fc192654b26dc179e051f34fdc5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7267c9b1ca04d0350c1581b1c245b13366fc192654b26dc179e051f34fdc5ad", kill_on_drop: false }`
[INFO] [stdout] c7267c9b1ca04d0350c1581b1c245b13366fc192654b26dc179e051f34fdc5ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50183465fa9b87163149f8b824e8e0ce8bb1dcfc7529bb9e57a8d9274f2dc7b7
[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" "50183465fa9b87163149f8b824e8e0ce8bb1dcfc7529bb9e57a8d9274f2dc7b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking utf8reader v0.1.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking time-test v0.2.2
[INFO] [stderr]     Checking rcombinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/primitives.rs:158:44
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 Err(ParseError::ExecFail(e.description().to_string()))
[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/primitives.rs:177:40
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(e) => return Err(execerr(e.description())),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[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/primitives.rs:184:44
[INFO] [stdout]     |
[INFO] [stdout] 184 |             Err(e) => return Err(execerr(e.description())),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/combinators.rs:556:17
[INFO] [stdout]     |
[INFO] [stdout] 555 |                 panic!("lazy should not run this function!");
[INFO] [stdout]     |                 --------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 556 |                 Uint8::new()
[INFO] [stdout]     |                 ^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` 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/primitives.rs:158:44
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 Err(ParseError::ExecFail(e.description().to_string()))
[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/primitives.rs:177:40
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(e) => return Err(execerr(e.description())),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[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/primitives.rs:184:44
[INFO] [stdout]     |
[INFO] [stdout] 184 |             Err(e) => return Err(execerr(e.description())),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `Command { std: "docker" "inspect" "50183465fa9b87163149f8b824e8e0ce8bb1dcfc7529bb9e57a8d9274f2dc7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50183465fa9b87163149f8b824e8e0ce8bb1dcfc7529bb9e57a8d9274f2dc7b7", kill_on_drop: false }`
[INFO] [stdout] 50183465fa9b87163149f8b824e8e0ce8bb1dcfc7529bb9e57a8d9274f2dc7b7