[INFO] cloning repository https://github.com/jelly/readlater
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jelly/readlater" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjelly%2Freadlater", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjelly%2Freadlater'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b49f5b2721d381858b8ff159133c5d690040f592
[INFO] checking jelly/readlater against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjelly%2Freadlater" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jelly/readlater
[INFO] finished tweaking git repo https://github.com/jelly/readlater
[INFO] tweaked toml for git repo https://github.com/jelly/readlater written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jelly/readlater on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jelly/readlater already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d7468b29037a2502ea52a89d11fb385848af3b146c60941ab074636950dc35a
[INFO] running `Command { std: "docker" "start" "-a" "5d7468b29037a2502ea52a89d11fb385848af3b146c60941ab074636950dc35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d7468b29037a2502ea52a89d11fb385848af3b146c60941ab074636950dc35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7468b29037a2502ea52a89d11fb385848af3b146c60941ab074636950dc35a", kill_on_drop: false }`
[INFO] [stdout] 5d7468b29037a2502ea52a89d11fb385848af3b146c60941ab074636950dc35a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31f3e7b379632c70744c4e5c08c8a66ed7b9eb5242600ea97f6117f3d0bb4ddb
[INFO] running `Command { std: "docker" "start" "-a" "31f3e7b379632c70744c4e5c08c8a66ed7b9eb5242600ea97f6117f3d0bb4ddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking temp-dir v0.1.11
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling sqlite3-src v0.3.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]     Checking sqlite3-sys v0.13.0
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking platform-dirs v0.3.0
[INFO] [stderr]     Checking sqlite v0.26.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking diligent-date-parser v0.1.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking atom_syndication v0.9.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking ammonia v3.1.2
[INFO] [stderr]     Checking select v0.5.0
[INFO] [stderr]     Checking rss v1.10.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking readability v0.2.0
[INFO] [stderr]     Checking readlater v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// URL of the article
[INFO] [stdout] 30 | |     pub url: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// Title of the article
[INFO] [stdout] 33 | |     pub title: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     /// Description of the article
[INFO] [stdout] 36 | |     pub desc: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// Feed title
[INFO] [stdout] 39 | |     pub feed_title: Option<String>,
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     /// Write an epub file to the given file (given locally cached articles)
[INFO] [stdout] 45 | |     #[structopt(name = "filename")]
[INFO] [stdout] 46 | |     pub epub: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     /// Write an rss file to the given file (given locally cached articles)
[INFO] [stdout] 52 | |     #[structopt(name = "filename")]
[INFO] [stdout] 53 | |     pub rss: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     /// Save a readable version of the article
[INFO] [stdout] 66 | |     #[structopt(name = "url")]
[INFO] [stdout] 67 | |     pub url: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `readlater` (lib test) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// URL of the article
[INFO] [stdout] 30 | |     pub url: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// Title of the article
[INFO] [stdout] 33 | |     pub title: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     /// Description of the article
[INFO] [stdout] 36 | |     pub desc: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// Feed title
[INFO] [stdout] 39 | |     pub feed_title: Option<String>,
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     /// Write an epub file to the given file (given locally cached articles)
[INFO] [stdout] 45 | |     #[structopt(name = "filename")]
[INFO] [stdout] 46 | |     pub epub: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     /// Write an rss file to the given file (given locally cached articles)
[INFO] [stdout] 52 | |     #[structopt(name = "filename")]
[INFO] [stdout] 53 | |     pub rss: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     /// Save a readable version of the article
[INFO] [stdout] 66 | |     #[structopt(name = "url")]
[INFO] [stdout] 67 | |     pub url: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `readlater` (lib) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "31f3e7b379632c70744c4e5c08c8a66ed7b9eb5242600ea97f6117f3d0bb4ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f3e7b379632c70744c4e5c08c8a66ed7b9eb5242600ea97f6117f3d0bb4ddb", kill_on_drop: false }`
[INFO] [stdout] 31f3e7b379632c70744c4e5c08c8a66ed7b9eb5242600ea97f6117f3d0bb4ddb
