[INFO] fetching crate bfi 0.2.2...
[INFO] testing bfi-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bfi 0.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bfi 0.2.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bfi 0.2.2
[INFO] finished tweaking crates.io crate bfi 0.2.2
[INFO] tweaked toml for crates.io crate bfi 0.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8362ffca93d82813efe15ad2b6a80ae31a3b88b77de02361bbdb42ec2acb978
[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" "f8362ffca93d82813efe15ad2b6a80ae31a3b88b77de02361bbdb42ec2acb978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8362ffca93d82813efe15ad2b6a80ae31a3b88b77de02361bbdb42ec2acb978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8362ffca93d82813efe15ad2b6a80ae31a3b88b77de02361bbdb42ec2acb978", kill_on_drop: false }`
[INFO] [stdout] f8362ffca93d82813efe15ad2b6a80ae31a3b88b77de02361bbdb42ec2acb978
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 923e3db9498b41aa45979544a47ad557740b002907b2863436e41bce7a4639db
[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" "923e3db9498b41aa45979544a47ad557740b002907b2863436e41bce7a4639db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bfi v0.2.2 (/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/machine.rs:49:46
[INFO] [stdout]    |
[INFO] [stdout] 49 |         write!(f, "BrainfuckError: {}", self.description())
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "923e3db9498b41aa45979544a47ad557740b002907b2863436e41bce7a4639db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923e3db9498b41aa45979544a47ad557740b002907b2863436e41bce7a4639db", kill_on_drop: false }`
[INFO] [stdout] 923e3db9498b41aa45979544a47ad557740b002907b2863436e41bce7a4639db
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b9a1050afe9b901417287521d282ee20383a096765bbf1160e43c76ddaa4463
[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" "7b9a1050afe9b901417287521d282ee20383a096765bbf1160e43c76ddaa4463", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/machine.rs:49:46
[INFO] [stdout]    |
[INFO] [stdout] 49 |         write!(f, "BrainfuckError: {}", self.description())
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bfi v0.2.2 (/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/machine.rs:49:46
[INFO] [stdout]    |
[INFO] [stdout] 49 |         write!(f, "BrainfuckError: {}", self.description())
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "7b9a1050afe9b901417287521d282ee20383a096765bbf1160e43c76ddaa4463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b9a1050afe9b901417287521d282ee20383a096765bbf1160e43c76ddaa4463", kill_on_drop: false }`
[INFO] [stdout] 7b9a1050afe9b901417287521d282ee20383a096765bbf1160e43c76ddaa4463
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85083592e8713d01d23a8efb2a20c6b44a22619393f1958d27f41faaa5fa62b6
[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" "85083592e8713d01d23a8efb2a20c6b44a22619393f1958d27f41faaa5fa62b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/machine.rs:49:46
[INFO] [stderr]    |
[INFO] [stderr] 49 |         write!(f, "BrainfuckError: {}", self.description())
[INFO] [stderr]    |                                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/machine.rs:49:46
[INFO] [stderr]    |
[INFO] [stderr] 49 |         write!(f, "BrainfuckError: {}", self.description())
[INFO] [stderr]    |                                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bfi-bcbf095f3c4b02c7
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::input_err ... ok
[INFO] [stdout] test tests::memory_err ... ok
[INFO] [stdout] test tests::simple ... ok
[INFO] [stdout] test tests::syntax_err ... ok
[INFO] [stdout] test tests::benchmark ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bfi
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/machine.rs - machine::BfMachine::tape (line 110) ... ok
[INFO] [stdout] test src/machine.rs - machine::BfMachine::tape_mut (line 124) ... ok
[INFO] [stdout] test src/machine.rs - machine::BfMachine::exec (line 148) ... ok
[INFO] [stdout] test src/machine.rs - machine::BfMachine::exec (line 181) ... ok
[INFO] [stdout] test src/machine.rs - machine::BfMachine::new (line 68) ... ok
[INFO] [stdout] test src/str.rs - str::b (line 25) ... ok
[INFO] [stdout] test src/machine.rs - machine::BfMachine::with_capacity (line 92) ... ok
[INFO] [stdout] test src/machine.rs - machine::BfMachine::exec (line 164) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85083592e8713d01d23a8efb2a20c6b44a22619393f1958d27f41faaa5fa62b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85083592e8713d01d23a8efb2a20c6b44a22619393f1958d27f41faaa5fa62b6", kill_on_drop: false }`
[INFO] [stdout] 85083592e8713d01d23a8efb2a20c6b44a22619393f1958d27f41faaa5fa62b6