[INFO] fetching crate blarf 1.0.8...
[INFO] testing blarf-1.0.8 against 1.49.0 for beta-1.50-1
[INFO] extracting crate blarf 1.0.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate blarf 1.0.8 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blarf 1.0.8
[INFO] finished tweaking crates.io crate blarf 1.0.8
[INFO] tweaked toml for crates.io crate blarf 1.0.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 7493b9641ed0705e96173f22cd1e95ca300e0c11b67a7a7c60ac1cc2f1bf6f3b
[INFO] running `Command { std: "docker" "start" "-a" "7493b9641ed0705e96173f22cd1e95ca300e0c11b67a7a7c60ac1cc2f1bf6f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7493b9641ed0705e96173f22cd1e95ca300e0c11b67a7a7c60ac1cc2f1bf6f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7493b9641ed0705e96173f22cd1e95ca300e0c11b67a7a7c60ac1cc2f1bf6f3b", kill_on_drop: false }`
[INFO] [stdout] 7493b9641ed0705e96173f22cd1e95ca300e0c11b67a7a7c60ac1cc2f1bf6f3b
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 654bd9c92143e45298fd3d97a3838c09ee696081a634bb21df3853c45196be96
[INFO] running `Command { std: "docker" "start" "-a" "654bd9c92143e45298fd3d97a3838c09ee696081a634bb21df3853c45196be96", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling blarf v1.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/blarf.rs:18:57
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .map_or(Path::new(DEST_ROOT), |d| Path::new(d));;
[INFO] [stdout]    |                                                         ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.03s
[INFO] running `Command { std: "docker" "inspect" "654bd9c92143e45298fd3d97a3838c09ee696081a634bb21df3853c45196be96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654bd9c92143e45298fd3d97a3838c09ee696081a634bb21df3853c45196be96", kill_on_drop: false }`
[INFO] [stdout] 654bd9c92143e45298fd3d97a3838c09ee696081a634bb21df3853c45196be96
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 0c31e4cd346a15bd8dd4348853b9f5e06ce31e10fc7fb47a6f10dcacab5ad804
[INFO] running `Command { std: "docker" "start" "-a" "0c31e4cd346a15bd8dd4348853b9f5e06ce31e10fc7fb47a6f10dcacab5ad804", kill_on_drop: false }`
[INFO] [stderr]    Compiling blarf v1.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/blarf.rs:18:57
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .map_or(Path::new(DEST_ROOT), |d| Path::new(d));;
[INFO] [stdout]    |                                                         ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "0c31e4cd346a15bd8dd4348853b9f5e06ce31e10fc7fb47a6f10dcacab5ad804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c31e4cd346a15bd8dd4348853b9f5e06ce31e10fc7fb47a6f10dcacab5ad804", kill_on_drop: false }`
[INFO] [stdout] 0c31e4cd346a15bd8dd4348853b9f5e06ce31e10fc7fb47a6f10dcacab5ad804
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 3ae259c181e53891b0687dbe97e0c0c94eeba927912bb25f68b1d4d0acffc28d
[INFO] running `Command { std: "docker" "start" "-a" "3ae259c181e53891b0687dbe97e0c0c94eeba927912bb25f68b1d4d0acffc28d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/bin/blarf.rs:18:57
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .map_or(Path::new(DEST_ROOT), |d| Path::new(d));;
[INFO] [stderr]    |                                                         ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/blarf-97904b9be15645d6
[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] [stderr]      Running /opt/rustwide/target/debug/deps/blarf-9af2238bef271eb7
[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] [stderr]    Doc-tests blarf
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... FAILED
[INFO] [stdout] test src/article.rs - article::Article::new (line 26) ... FAILED
[INFO] [stdout] test src/article.rs - article::Article::render (line 49) ... FAILED
[INFO] [stdout] test src/util.rs - util::get_args (line 39) ... FAILED
[INFO] [stdout] test src/util.rs - util::copy_dir (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 13) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `me`
[INFO] [stdout]  --> src/lib.rs:14:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | blarf -e me@example.com -a articles -s public
[INFO] [stdout]   |          ^^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/article.rs - article::Article::new (line 26) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]  --> src/article.rs:28:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | let slug = "1-my-first-post"
[INFO] [stdout]   |                             ^ help: add `;` here
[INFO] [stdout] 5 | let article = Article::new(markdown, slug);
[INFO] [stdout]   | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Article`
[INFO] [stdout]  --> src/article.rs:29:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | let article = Article::new(markdown, slug);
[INFO] [stdout]   |               ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use blarf::article::Article;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/article.rs - article::Article::render (line 49) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `article` in this scope
[INFO] [stdout]  --> src/article.rs:50:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let html = article.render("styles.css", "<p>copyright 2019</p>");
[INFO] [stdout]   |            ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/util.rs - util::get_args (line 39) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `get_args` in this scope
[INFO] [stdout]  --> src/util.rs:40:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let args = get_args();
[INFO] [stdout]   |            ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 | use blarf::util::get_args;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/util.rs - util::copy_dir (line 10) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `copy_dir` in this scope
[INFO] [stdout]  --> src/util.rs:15:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | copy_dir(from_dir, to_dir)?;
[INFO] [stdout]   | ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 | use blarf::util::copy_dir;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/util.rs:15:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / fn main() {
[INFO] [stdout] 3 | | use std::path::Path;
[INFO] [stdout] 4 | |
[INFO] [stdout] 5 | | let from_dir = Path::new("source");
[INFO] [stdout] 6 | | let to_dir = Path::new("my_site");
[INFO] [stdout] 7 | | copy_dir(from_dir, to_dir)?;
[INFO] [stdout]   | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | | |
[INFO] [stdout]   | | cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/article.rs - article::Article::new (line 26)
[INFO] [stdout]     src/article.rs - article::Article::render (line 49)
[INFO] [stdout]     src/lib.rs - (line 13)
[INFO] [stdout]     src/util.rs - util::copy_dir (line 10)
[INFO] [stdout]     src/util.rs - util::get_args (line 39)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "3ae259c181e53891b0687dbe97e0c0c94eeba927912bb25f68b1d4d0acffc28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae259c181e53891b0687dbe97e0c0c94eeba927912bb25f68b1d4d0acffc28d", kill_on_drop: false }`
[INFO] [stdout] 3ae259c181e53891b0687dbe97e0c0c94eeba927912bb25f68b1d4d0acffc28d