[INFO] cloning repository https://github.com/tylerreisinger/rust-fractal-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tylerreisinger/rust-fractal-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftylerreisinger%2Frust-fractal-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftylerreisinger%2Frust-fractal-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bde03e8e8e31b9e2b75ab4424ce480e2f401ce0
[INFO] checking tylerreisinger/rust-fractal-generator against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftylerreisinger%2Frust-fractal-generator" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tylerreisinger/rust-fractal-generator on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tylerreisinger/rust-fractal-generator
[INFO] finished tweaking git repo https://github.com/tylerreisinger/rust-fractal-generator
[INFO] tweaked toml for git repo https://github.com/tylerreisinger/rust-fractal-generator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tylerreisinger/rust-fractal-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 1cd9268619edf96a0424381aff2378d9d2cb7ef751bc7729388eb0bcaa9bef29
[INFO] running `Command { std: "docker" "start" "-a" "1cd9268619edf96a0424381aff2378d9d2cb7ef751bc7729388eb0bcaa9bef29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cd9268619edf96a0424381aff2378d9d2cb7ef751bc7729388eb0bcaa9bef29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd9268619edf96a0424381aff2378d9d2cb7ef751bc7729388eb0bcaa9bef29", kill_on_drop: false }`
[INFO] [stdout] 1cd9268619edf96a0424381aff2378d9d2cb7ef751bc7729388eb0bcaa9bef29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba855b311271240a64e8fc02e9aeeb11d81dd1a9f06c05301edeb820cf64415c
[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" "ba855b311271240a64e8fc02e9aeeb11d81dd1a9f06c05301edeb820cf64415c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.9
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking fractal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SendError(Box<Error + Send + 'static>),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ThreadError(Box<Any + Send + 'static>),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl From<Box<Any + Send + 'static>> for RunnerError {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn from(other: Box<Any + Send + 'static>) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/runner.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             try!(senders[thread_target].send(Some(strip)));
[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/runner.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             try!(sender.send(None));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/runner.rs:163:23
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let ret = try!(worker.take().unwrap().join());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/runner.rs:178:20
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let item = try!(recver.recv());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/runner.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 try!(row_sender.send((strip.clone(), escape_times)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SendError(Box<Error + Send + 'static>),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ThreadError(Box<Any + Send + 'static>),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl From<Box<Any + Send + 'static>> for RunnerError {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn from(other: Box<Any + Send + 'static>) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/runner.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             try!(senders[thread_target].send(Some(strip)));
[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/runner.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             try!(sender.send(None));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/runner.rs:163:23
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let ret = try!(worker.take().unwrap().join());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/runner.rs:178:20
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let item = try!(recver.recv());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/runner.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 try!(row_sender.send((strip.clone(), escape_times)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/runner.rs:51:52
[INFO] [stdout]    |
[INFO] [stdout] 51 |             RunnerError::SendError(ref err) => err.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/runner.rs:52:52
[INFO] [stdout]    |
[INFO] [stdout] 52 |             RunnerError::RecvError(ref err) => err.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/render/mod.rs:38:49
[INFO] [stdout]    |
[INFO] [stdout] 38 |             RenderError::ImageError(ref e) => 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/runner.rs:51:52
[INFO] [stdout]    |
[INFO] [stdout] 51 |             RunnerError::SendError(ref err) => err.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/runner.rs:52:52
[INFO] [stdout]    |
[INFO] [stdout] 52 |             RunnerError::RecvError(ref err) => err.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/render/mod.rs:38:49
[INFO] [stdout]    |
[INFO] [stdout] 38 |             RenderError::ImageError(ref e) => e.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.81s
[INFO] running `Command { std: "docker" "inspect" "ba855b311271240a64e8fc02e9aeeb11d81dd1a9f06c05301edeb820cf64415c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba855b311271240a64e8fc02e9aeeb11d81dd1a9f06c05301edeb820cf64415c", kill_on_drop: false }`
[INFO] [stdout] ba855b311271240a64e8fc02e9aeeb11d81dd1a9f06c05301edeb820cf64415c