[INFO] fetching crate treeviz 0.1.0...
[INFO] checking treeviz-0.1.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate treeviz 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate treeviz 0.1.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treeviz 0.1.0
[INFO] finished tweaking crates.io crate treeviz 0.1.0
[INFO] tweaked toml for crates.io crate treeviz 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate treeviz 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.5.12
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded rustversion v1.0.2
[INFO] [stderr]   Downloaded structopt v0.3.9
[INFO] [stderr]   Downloaded rust-embed v5.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.92
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.9
[INFO] [stderr]   Downloaded rust-embed-utils v5.0.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.2
[INFO] [stderr]   Downloaded syn v0.15.36
[INFO] [stderr]   Downloaded rust-embed-impl v5.2.0
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] [stderr]   Downloaded serde v1.0.92
[INFO] [stderr]   Downloaded proc-macro-error v0.4.9
[INFO] [stderr]   Downloaded toml v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 413db13bc8efbaee6d78eb66b340c3f190d6051e6d8f1987dbc2069d34ad2126
[INFO] running `Command { std: "docker" "start" "-a" "413db13bc8efbaee6d78eb66b340c3f190d6051e6d8f1987dbc2069d34ad2126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "413db13bc8efbaee6d78eb66b340c3f190d6051e6d8f1987dbc2069d34ad2126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413db13bc8efbaee6d78eb66b340c3f190d6051e6d8f1987dbc2069d34ad2126", kill_on_drop: false }`
[INFO] [stdout] 413db13bc8efbaee6d78eb66b340c3f190d6051e6d8f1987dbc2069d34ad2126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69863b2a5c13a11e96ce89e563eca8cf89b3bd6154c42d0c20e47be3236065bf
[INFO] running `Command { std: "docker" "start" "-a" "69863b2a5c13a11e96ce89e563eca8cf89b3bd6154c42d0c20e47be3236065bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rust-embed-utils v5.0.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rust-embed-impl v5.2.0
[INFO] [stderr]     Checking rust-embed v5.2.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking treeviz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `application`
[INFO] [stdout]   --> src/tree.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) application: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `application`
[INFO] [stdout]   --> src/tree.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) application: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/tree.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) width: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/tree.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) width: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.97s
[INFO] running `Command { std: "docker" "inspect" "69863b2a5c13a11e96ce89e563eca8cf89b3bd6154c42d0c20e47be3236065bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69863b2a5c13a11e96ce89e563eca8cf89b3bd6154c42d0c20e47be3236065bf", kill_on_drop: false }`
[INFO] [stdout] 69863b2a5c13a11e96ce89e563eca8cf89b3bd6154c42d0c20e47be3236065bf