[INFO] cloning repository https://github.com/ackwill/rust-face-rec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ackwill/rust-face-rec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fackwill%2Frust-face-rec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fackwill%2Frust-face-rec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2b8746319f30c2caeb7b0c1743ce55faad0357d
[INFO] checking ackwill/rust-face-rec against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fackwill%2Frust-face-rec" "/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/ackwill/rust-face-rec on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ackwill/rust-face-rec
[INFO] finished tweaking git repo https://github.com/ackwill/rust-face-rec
[INFO] tweaked toml for git repo https://github.com/ackwill/rust-face-rec written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ackwill/rust-face-rec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 82a77f7f36954f5ef7bcfc75e3c9890ebd1ce429f99c31d05e0457ae761f23b0
[INFO] running `Command { std: "docker" "start" "-a" "82a77f7f36954f5ef7bcfc75e3c9890ebd1ce429f99c31d05e0457ae761f23b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82a77f7f36954f5ef7bcfc75e3c9890ebd1ce429f99c31d05e0457ae761f23b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a77f7f36954f5ef7bcfc75e3c9890ebd1ce429f99c31d05e0457ae761f23b0", kill_on_drop: false }`
[INFO] [stdout] 82a77f7f36954f5ef7bcfc75e3c9890ebd1ce429f99c31d05e0457ae761f23b0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01ac5ddb8b6cdf6cfda1acd2f5627d60e18986e5f1ad19cde1b9e2f4b7fff417
[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" "01ac5ddb8b6cdf6cfda1acd2f5627d60e18986e5f1ad19cde1b9e2f4b7fff417", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking lzw v0.9.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking gif v0.7.0
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking png v0.4.3
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking nn v0.1.6
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking image v0.6.1
[INFO] [stderr]     Checking rust-face-rec 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/network.rs:180:61
[INFO] [stdout]     |
[INFO] [stdout] 180 |         Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)),
[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/network.rs:188:52
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   Error::description(&why)),
[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/network.rs:203:28
[INFO] [stdout]     |
[INFO] [stdout] 203 | ...                   Error::description(&why)),
[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/network.rs:210:48
[INFO] [stdout]     |
[INFO] [stdout] 210 | ...                   Error::description(&why))
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]    --> src/recognizer/mod.rs:180:40
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn calc_image_hist(img: &mut GrayImage, cell_x: u32, cell_y: u32) -> Histogram {
[INFO] [stdout]     |                       - help: consider introducing lifetime `'a` here: `<'a>`
[INFO] [stdout] ...
[INFO] [stdout] 180 |             let cell = img.sub_image::<'a>(x*cell_width, y*cell_height, cell_width, cell_height).to_image();
[INFO] [stdout]     |                                        ^^ undeclared lifetime
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0261`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-face-rec`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/network.rs:180:61
[INFO] [stdout]     |
[INFO] [stdout] 180 |         Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)),
[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/network.rs:188:52
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   Error::description(&why)),
[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/network.rs:203:28
[INFO] [stdout]     |
[INFO] [stdout] 203 | ...                   Error::description(&why)),
[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/network.rs:210:48
[INFO] [stdout]     |
[INFO] [stdout] 210 | ...                   Error::description(&why))
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]    --> src/recognizer/mod.rs:180:40
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn calc_image_hist(img: &mut GrayImage, cell_x: u32, cell_y: u32) -> Histogram {
[INFO] [stdout]     |                       - help: consider introducing lifetime `'a` here: `<'a>`
[INFO] [stdout] ...
[INFO] [stdout] 180 |             let cell = img.sub_image::<'a>(x*cell_width, y*cell_height, cell_width, cell_height).to_image();
[INFO] [stdout]     |                                        ^^ undeclared lifetime
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0261`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "01ac5ddb8b6cdf6cfda1acd2f5627d60e18986e5f1ad19cde1b9e2f4b7fff417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ac5ddb8b6cdf6cfda1acd2f5627d60e18986e5f1ad19cde1b9e2f4b7fff417", kill_on_drop: false }`
[INFO] [stdout] 01ac5ddb8b6cdf6cfda1acd2f5627d60e18986e5f1ad19cde1b9e2f4b7fff417