[INFO] cloning repository https://github.com/Windfisch/papertool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Windfisch/papertool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindfisch%2Fpapertool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindfisch%2Fpapertool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9b06f8d0141f8927bc5be339d664bd36ca95396
[INFO] checking Windfisch/papertool against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindfisch%2Fpapertool" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Windfisch/papertool on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Windfisch/papertool
[INFO] finished tweaking git repo https://github.com/Windfisch/papertool
[INFO] tweaked toml for git repo https://github.com/Windfisch/papertool written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Windfisch/papertool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edf0d3bd766cdd1f2025554196dcd3c7302d0425816e9285fde3035ab5efe5c8
[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" "edf0d3bd766cdd1f2025554196dcd3c7302d0425816e9285fde3035ab5efe5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edf0d3bd766cdd1f2025554196dcd3c7302d0425816e9285fde3035ab5efe5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf0d3bd766cdd1f2025554196dcd3c7302d0425816e9285fde3035ab5efe5c8", kill_on_drop: false }`
[INFO] [stdout] edf0d3bd766cdd1f2025554196dcd3c7302d0425816e9285fde3035ab5efe5c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0454ea909adbf7af7d96601b2535aac9b0cc8d353648f2654351f4feab6c10de
[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" "0454ea909adbf7af7d96601b2535aac9b0cc8d353648f2654351f4feab6c10de", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking string_cache_shared v0.3.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]     Checking openssl v0.10.29
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking rusqlite v0.23.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking semanticscholar v0.1.0
[INFO] [stderr]     Checking soup v0.5.0
[INFO] [stderr]     Checking papertool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:75:2
[INFO] [stdout]    |
[INFO] [stdout] 73 |     return Ok(());
[INFO] [stdout]    |     ------------- any code following this expression is unreachable
[INFO] [stdout] 74 | 
[INFO] [stdout] 75 |     let mypub = Publication::build(&cache).doi("10.1109/ICoCS.2015.7483250").fin();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:75:2
[INFO] [stdout]    |
[INFO] [stdout] 73 |     return Ok(());
[INFO] [stdout]    |     ------------- any code following this expression is unreachable
[INFO] [stdout] 74 | 
[INFO] [stdout] 75 |     let mypub = Publication::build(&cache).doi("10.1109/ICoCS.2015.7483250").fin();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/database.rs:919:5
[INFO] [stdout]     |
[INFO] [stdout] 919 |     fn new(reason: &str) -> ParseError { ParseError(reason.to_string()) }
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MalformedReply`
[INFO] [stdout]    --> src/database.rs:928:2
[INFO] [stdout]     |
[INFO] [stdout] 928 |     MalformedReply(Box<dyn std::error::Error>)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/database.rs:919:5
[INFO] [stdout]     |
[INFO] [stdout] 919 |     fn new(reason: &str) -> ParseError { ParseError(reason.to_string()) }
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MalformedReply`
[INFO] [stdout]    --> src/database.rs:928:2
[INFO] [stdout]     |
[INFO] [stdout] 928 |     MalformedReply(Box<dyn std::error::Error>)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/database.rs:436:6
[INFO] [stdout]     |
[INFO] [stdout] 436 |                     publ.stubmetadata.set(stubmetadata); // TODO not sure how to do safe set here
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 441 |         update_from!([doi, arxiv, semanticscholar], [doi, arxiv, semanticscholar, pdf]);
[INFO] [stdout]     |         -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/database.rs:1125:3
[INFO] [stdout]      |
[INFO] [stdout] 1125 |           self.stubmetadata.set( StubMetadata {
[INFO] [stdout]      |  _________^
[INFO] [stdout] 1126 | |             title: result.title.unwrap_or("<No title>".to_string()),
[INFO] [stdout] 1127 | |             authors: result.authors.into_iter().map(|a| { a.name.unwrap_or("<No name>".to_string()) }).collect()
[INFO] [stdout] 1128 | |         });
[INFO] [stdout]      | |___________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/database.rs:1131:4
[INFO] [stdout]      |
[INFO] [stdout] 1131 |             self.cited_by.set(r?);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/database.rs:1135:4
[INFO] [stdout]      |
[INFO] [stdout] 1135 |             self.references.set(r?);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/database.rs:436:6
[INFO] [stdout]     |
[INFO] [stdout] 436 |                     publ.stubmetadata.set(stubmetadata); // TODO not sure how to do safe set here
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 441 |         update_from!([doi, arxiv, semanticscholar], [doi, arxiv, semanticscholar, pdf]);
[INFO] [stdout]     |         -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/database.rs:1125:3
[INFO] [stdout]      |
[INFO] [stdout] 1125 |           self.stubmetadata.set( StubMetadata {
[INFO] [stdout]      |  _________^
[INFO] [stdout] 1126 | |             title: result.title.unwrap_or("<No title>".to_string()),
[INFO] [stdout] 1127 | |             authors: result.authors.into_iter().map(|a| { a.name.unwrap_or("<No name>".to_string()) }).collect()
[INFO] [stdout] 1128 | |         });
[INFO] [stdout]      | |___________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/database.rs:1131:4
[INFO] [stdout]      |
[INFO] [stdout] 1131 |             self.cited_by.set(r?);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/database.rs:1135:4
[INFO] [stdout]      |
[INFO] [stdout] 1135 |             self.references.set(r?);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "0454ea909adbf7af7d96601b2535aac9b0cc8d353648f2654351f4feab6c10de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0454ea909adbf7af7d96601b2535aac9b0cc8d353648f2654351f4feab6c10de", kill_on_drop: false }`
[INFO] [stdout] 0454ea909adbf7af7d96601b2535aac9b0cc8d353648f2654351f4feab6c10de