[INFO] cloning repository https://github.com/jvff/presentrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jvff/presentrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvff%2Fpresentrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvff%2Fpresentrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5fb56f520d16c0775d9670bd18ac359b56ef7e4
[INFO] checking jvff/presentrs 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%2Fjvff%2Fpresentrs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jvff/presentrs
[INFO] finished tweaking git repo https://github.com/jvff/presentrs
[INFO] tweaked toml for git repo https://github.com/jvff/presentrs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jvff/presentrs 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/jvff/presentrs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6b486409444ae791715c89e512e91895a3bf827d3859cae4375decbf666581ba
[INFO] running `Command { std: "docker" "start" "-a" "6b486409444ae791715c89e512e91895a3bf827d3859cae4375decbf666581ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b486409444ae791715c89e512e91895a3bf827d3859cae4375decbf666581ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b486409444ae791715c89e512e91895a3bf827d3859cae4375decbf666581ba", kill_on_drop: false }`
[INFO] [stdout] 6b486409444ae791715c89e512e91895a3bf827d3859cae4375decbf666581ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1b4fa4f63fbdac7dcdba538d4a1a30ccf2c9b23782000dfa131cdd8e8018b157
[INFO] running `Command { std: "docker" "start" "-a" "1b4fa4f63fbdac7dcdba538d4a1a30ccf2c9b23782000dfa131cdd8e8018b157", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking comrak v0.11.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tower v0.4.8
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking axum v0.2.3
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_arcdom v0.1.1
[INFO] [stderr]     Checking presentrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<(axum::http::StatusCode, String), Infallible>
[INFO] [stdout]   --> src/server/presentrs.rs:19:66
[INFO] [stdout]    |
[INFO] [stdout] 19 |                       |_error: io::Error| -> Result<_, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________^
[INFO] [stdout] 20 | |                         Ok((
[INFO] [stdout] 21 | |                             StatusCode::INTERNAL_SERVER_ERROR,
[INFO] [stdout] 22 | |                             format!("Failed to serve file"),
[INFO] [stdout] 23 | |                         ))
[INFO] [stdout] 24 | |                     },
[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<(axum::http::StatusCode, String), Infallible>
[INFO] [stdout]   --> src/server/presentrs.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | /                         Ok((
[INFO] [stdout] 21 | |                             StatusCode::INTERNAL_SERVER_ERROR,
[INFO] [stdout] 22 | |                             format!("Failed to serve file"),
[INFO] [stdout] 23 | |                         ))
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/server/slides.rs:27:36
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let html = notes.html_str().clone();
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `presentrs` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<(axum::http::StatusCode, String), Infallible>
[INFO] [stdout]   --> src/server/presentrs.rs:19:66
[INFO] [stdout]    |
[INFO] [stdout] 19 |                       |_error: io::Error| -> Result<_, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________^
[INFO] [stdout] 20 | |                         Ok((
[INFO] [stdout] 21 | |                             StatusCode::INTERNAL_SERVER_ERROR,
[INFO] [stdout] 22 | |                             format!("Failed to serve file"),
[INFO] [stdout] 23 | |                         ))
[INFO] [stdout] 24 | |                     },
[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<(axum::http::StatusCode, String), Infallible>
[INFO] [stdout]   --> src/server/presentrs.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | /                         Ok((
[INFO] [stdout] 21 | |                             StatusCode::INTERNAL_SERVER_ERROR,
[INFO] [stdout] 22 | |                             format!("Failed to serve file"),
[INFO] [stdout] 23 | |                         ))
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/server/slides.rs:27:36
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let html = notes.html_str().clone();
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `presentrs` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1b4fa4f63fbdac7dcdba538d4a1a30ccf2c9b23782000dfa131cdd8e8018b157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4fa4f63fbdac7dcdba538d4a1a30ccf2c9b23782000dfa131cdd8e8018b157", kill_on_drop: false }`
[INFO] [stdout] 1b4fa4f63fbdac7dcdba538d4a1a30ccf2c9b23782000dfa131cdd8e8018b157
