[INFO] cloning repository https://github.com/Neben5/Mandy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Neben5/Mandy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeben5%2FMandy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeben5%2FMandy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a60241bba2fa359e8752eeccc77a75081358407a
[INFO] checking Neben5/Mandy against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeben5%2FMandy" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Neben5/Mandy on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Neben5/Mandy
[INFO] finished tweaking git repo https://github.com/Neben5/Mandy
[INFO] tweaked toml for git repo https://github.com/Neben5/Mandy written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Neben5/Mandy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfe1641f03bb389c65d5af713089c669f325a4a3761797076bdd153128a91bd9
[INFO] running `Command { std: "docker" "start" "-a" "dfe1641f03bb389c65d5af713089c669f325a4a3761797076bdd153128a91bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfe1641f03bb389c65d5af713089c669f325a4a3761797076bdd153128a91bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe1641f03bb389c65d5af713089c669f325a4a3761797076bdd153128a91bd9", kill_on_drop: false }`
[INFO] [stdout] dfe1641f03bb389c65d5af713089c669f325a4a3761797076bdd153128a91bd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75c8858497ca3d12fbce0203ab037cc50a347498c7641445ab8ece9d1e1a0646
[INFO] running `Command { std: "docker" "start" "-a" "75c8858497ca3d12fbce0203ab037cc50a347498c7641445ab8ece9d1e1a0646", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking mandy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lines` is never read
[INFO] [stdout]  --> src/lib/view.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Canvas<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     pub lines: Vec<Vec<&'a str>>,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `doc` and `terminal_size` are never read
[INFO] [stdout]   --> src/lib/view.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Viewer<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     pub doc: Canvas<'a>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 13 |     pub img: ManCanvas,
[INFO] [stdout] 14 |     pub terminal_size: coordinates::Coordinates,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `usize` to `usize`
[INFO] [stdout]   --> src/main.rs:69:52
[INFO] [stdout]    |
[INFO] [stdout] 69 |             while view.img.elems[row][col].niter < max_iter.into()
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandy` (bin "mandy" test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `lines` is never read
[INFO] [stdout]  --> src/lib/view.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Canvas<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     pub lines: Vec<Vec<&'a str>>,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `doc` and `terminal_size` are never read
[INFO] [stdout]   --> src/lib/view.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Viewer<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     pub doc: Canvas<'a>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 13 |     pub img: ManCanvas,
[INFO] [stdout] 14 |     pub terminal_size: coordinates::Coordinates,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `usize` to `usize`
[INFO] [stdout]   --> src/main.rs:69:52
[INFO] [stdout]    |
[INFO] [stdout] 69 |             while view.img.elems[row][col].niter < max_iter.into()
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandy` (bin "mandy") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "75c8858497ca3d12fbce0203ab037cc50a347498c7641445ab8ece9d1e1a0646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c8858497ca3d12fbce0203ab037cc50a347498c7641445ab8ece9d1e1a0646", kill_on_drop: false }`
[INFO] [stdout] 75c8858497ca3d12fbce0203ab037cc50a347498c7641445ab8ece9d1e1a0646