[INFO] cloning repository https://github.com/mkeeter/titan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkeeter/titan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkeeter%2Ftitan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkeeter%2Ftitan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e07884c318020bd20d94f9d4126b7830f482aff5
[INFO] checking mkeeter/titan against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkeeter%2Ftitan" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkeeter/titan on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkeeter/titan
[INFO] finished tweaking git repo https://github.com/mkeeter/titan
[INFO] tweaked toml for git repo https://github.com/mkeeter/titan written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mkeeter/titan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.7.0
[INFO] [stderr]   Downloaded sled v0.34.3
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38d6a85e9a5cb20cd085436c7673bf82d3d1c68a254c3ac207c956d4886db758
[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" "38d6a85e9a5cb20cd085436c7673bf82d3d1c68a254c3ac207c956d4886db758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38d6a85e9a5cb20cd085436c7673bf82d3d1c68a254c3ac207c956d4886db758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d6a85e9a5cb20cd085436c7673bf82d3d1c68a254c3ac207c956d4886db758", kill_on_drop: false }`
[INFO] [stdout] 38d6a85e9a5cb20cd085436c7673bf82d3d1c68a254c3ac207c956d4886db758
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66e7c4d6b438ac108b7e38c49d76d19134f2ec31d17a3c8af3cb7e1fad3bd2f9
[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" "66e7c4d6b438ac108b7e38c49d76d19134f2ec31d17a3c8af3cb7e1fad3bd2f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking sled v0.34.3
[INFO] [stderr]     Checking titan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0423]: expected function, tuple struct or tuple variant, found type alias `Document`
[INFO] [stdout]    --> src/parser.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |     assert_eq!(r.1, Document(vec![
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: can't use a type alias as a constructor
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/app.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |                         Err(e) => continue,
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:152:44
[INFO] [stdout]     |
[INFO] [stdout] 152 |           Line::Pre { alt: Some("py"), text: vec![
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 153 | | "for i in range(10):",
[INFO] [stdout] 154 | | "    print(i)"]},
[INFO] [stdout]     | |_______________^ expected `&str`, found struct `Vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&str`
[INFO] [stdout]                   found struct `Vec<&str>`
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:163:15
[INFO] [stdout]     |
[INFO] [stdout] 163 |         name: Some("world") });
[INFO] [stdout]     |               ^^^^^^^^^^^^^ expected `&str`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&str`
[INFO] [stdout]                     found enum `Option<&str>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0423.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `titan`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "66e7c4d6b438ac108b7e38c49d76d19134f2ec31d17a3c8af3cb7e1fad3bd2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e7c4d6b438ac108b7e38c49d76d19134f2ec31d17a3c8af3cb7e1fad3bd2f9", kill_on_drop: false }`
[INFO] [stdout] 66e7c4d6b438ac108b7e38c49d76d19134f2ec31d17a3c8af3cb7e1fad3bd2f9