[INFO] updating cached repository https://github.com/nikomatsakis/skill-tree
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f7a133d3840209c4fca104869aa8557dad30b45
[INFO] testing nikomatsakis/skill-tree against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Fskill-tree" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikomatsakis/skill-tree on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nikomatsakis/skill-tree
[INFO] finished tweaking git repo https://github.com/nikomatsakis/skill-tree
[INFO] tweaked toml for git repo https://github.com/nikomatsakis/skill-tree written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/nikomatsakis/skill-tree already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] ca3ddbeb95eb382a1d7724c6e689dbd14cb44af2c8f648baa903221b5e9091f0
[INFO] running `"docker" "start" "-a" "ca3ddbeb95eb382a1d7724c6e689dbd14cb44af2c8f648baa903221b5e9091f0"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling paw-raw v1.0.0
[INFO] [stderr]    Compiling svg v0.5.12
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling paw-attributes v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling paw v1.0.0
[INFO] [stderr]    Compiling treeviz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:5:34
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Fallible<T> = Result<T, Box<std::error::Error>>;
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.54s
[INFO] running `"docker" "inspect" "ca3ddbeb95eb382a1d7724c6e689dbd14cb44af2c8f648baa903221b5e9091f0"`
[INFO] running `"docker" "rm" "-f" "ca3ddbeb95eb382a1d7724c6e689dbd14cb44af2c8f648baa903221b5e9091f0"`
[INFO] [stdout] ca3ddbeb95eb382a1d7724c6e689dbd14cb44af2c8f648baa903221b5e9091f0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 69cb09abdd2bb066200e5d35d36ab61aa30ca49fb37c8220efa9150ed12714c9
[INFO] running `"docker" "start" "-a" "69cb09abdd2bb066200e5d35d36ab61aa30ca49fb37c8220efa9150ed12714c9"`
[INFO] [stderr]    Compiling treeviz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:5:34
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Fallible<T> = Result<T, Box<std::error::Error>>;
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "69cb09abdd2bb066200e5d35d36ab61aa30ca49fb37c8220efa9150ed12714c9"`
[INFO] running `"docker" "rm" "-f" "69cb09abdd2bb066200e5d35d36ab61aa30ca49fb37c8220efa9150ed12714c9"`
[INFO] [stdout] 69cb09abdd2bb066200e5d35d36ab61aa30ca49fb37c8220efa9150ed12714c9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 4ffb3eba427b75e298ad103e654ce3c2f5bfc8203dc7bd25d5d74b20c29435db
[INFO] running `"docker" "start" "-a" "4ffb3eba427b75e298ad103e654ce3c2f5bfc8203dc7bd25d5d74b20c29435db"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/treeviz-0bf05f4d73545b12
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4ffb3eba427b75e298ad103e654ce3c2f5bfc8203dc7bd25d5d74b20c29435db"`
[INFO] running `"docker" "rm" "-f" "4ffb3eba427b75e298ad103e654ce3c2f5bfc8203dc7bd25d5d74b20c29435db"`
[INFO] [stdout] 4ffb3eba427b75e298ad103e654ce3c2f5bfc8203dc7bd25d5d74b20c29435db