[INFO] fetching crate samply-server 0.15.0...
[INFO] checking samply-server-0.15.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate samply-server 0.15.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate samply-server 0.15.0
[INFO] finished tweaking crates.io crate samply-server 0.15.0
[INFO] tweaked toml for crates.io crate samply-server 0.15.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate samply-server 0.15.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 252 packages to latest compatible versions
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.8.0)
[INFO] [stderr]       Adding memmap2 v0.5.10 (available: v0.9.9)
[INFO] [stderr]       Adding nix-base32 v0.1.1 (available: v0.2.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding symsrv v0.2.0 (available: v0.5.6)
[INFO] [stderr]       Adding webbrowser v0.8.15 (available: v1.0.6)
[INFO] [stderr]       Adding wholesym v0.1.1 (available: v0.8.1)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c6de12b245bfde888f5ac36319d6e571502ad2257ef739cfbfc3637bba73cb9e
[INFO] running `Command { std: "docker" "start" "-a" "c6de12b245bfde888f5ac36319d6e571502ad2257ef739cfbfc3637bba73cb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6de12b245bfde888f5ac36319d6e571502ad2257ef739cfbfc3637bba73cb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6de12b245bfde888f5ac36319d6e571502ad2257ef739cfbfc3637bba73cb9e", kill_on_drop: false }`
[INFO] [stdout] c6de12b245bfde888f5ac36319d6e571502ad2257ef739cfbfc3637bba73cb9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a6444e2e8f719fb80c65a101333bbc109035b2278fc02d92be17800224716692
[INFO] running `Command { std: "docker" "start" "-a" "a6444e2e8f719fb80c65a101333bbc109035b2278fc02d92be17800224716692", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking rustls v0.21.12
[INFO] [stderr]    Compiling zerocopy-derive v0.6.6
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking inplace-vec-builder v0.1.1
[INFO] [stderr]    Compiling cpp_demangle v0.4.5
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking binary-merge v0.1.2
[INFO] [stderr]     Checking compression-codecs v0.4.32
[INFO] [stderr]     Checking yaxpeax-arch v0.2.8
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking elsa v1.11.2
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking range-collections v0.2.4
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling yaxpeax-x86 v1.2.2
[INFO] [stderr]     Checking pdb v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]     Checking srcsrv v0.2.3
[INFO] [stderr]     Checking msvc-demangler v0.9.0
[INFO] [stderr]     Checking lzma-rs v0.2.0
[INFO] [stderr]    Compiling serde_tuple_macros v0.5.0
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking object v0.30.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]    Compiling yoke-derive v0.6.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking zerocopy v0.6.6
[INFO] [stderr]     Checking rangemap v1.6.0
[INFO] [stderr]     Checking lzxd v0.1.4
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking serde_tuple v0.5.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking nix-base32 v0.1.1
[INFO] [stderr]     Checking pdb-addr2line v0.10.4
[INFO] [stderr]     Checking macho-unwind-info v0.3.0
[INFO] [stderr]     Checking cab v0.4.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking yoke v0.6.2
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]     Checking yaxpeax-arm v0.2.6
[INFO] [stderr]     Checking samply-symbols v0.18.0
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking async-compression v0.4.33
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking webbrowser v0.8.15
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking samply-api v0.19.1
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking symsrv v0.2.0
[INFO] [stderr]     Checking wholesym v0.1.1
[INFO] [stderr]     Checking samply-server v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/lib.rs:132:44: 132:54}, Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:131:15
[INFO] [stdout]     |
[INFO] [stdout] 131 |           async {
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 132 | |             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 133 | |                 symbolication_service(
[INFO] [stdout] 134 | |                     req,
[INFO] [stdout] ...   |
[INFO] [stdout] 140 | |             }))
[INFO] [stdout] 141 | |         }
[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<hyper::service::util::ServiceFn<{closure@src/lib.rs:132:44: 132:54}, Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 | /             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 133 | |                 symbolication_service(
[INFO] [stdout] 134 | |                     req,
[INFO] [stdout] 135 | |                     template_values.clone(),
[INFO] [stdout] ...   |
[INFO] [stdout] 140 | |             }))
[INFO] [stdout]     | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `samply-server` (lib) due to 2 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<hyper::service::util::ServiceFn<{closure@src/lib.rs:132:44: 132:54}, Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:131:15
[INFO] [stdout]     |
[INFO] [stdout] 131 |           async {
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 132 | |             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 133 | |                 symbolication_service(
[INFO] [stdout] 134 | |                     req,
[INFO] [stdout] ...   |
[INFO] [stdout] 140 | |             }))
[INFO] [stdout] 141 | |         }
[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<hyper::service::util::ServiceFn<{closure@src/lib.rs:132:44: 132:54}, Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 | /             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 133 | |                 symbolication_service(
[INFO] [stdout] 134 | |                     req,
[INFO] [stdout] 135 | |                     template_values.clone(),
[INFO] [stdout] ...   |
[INFO] [stdout] 140 | |             }))
[INFO] [stdout]     | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `samply-server` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a6444e2e8f719fb80c65a101333bbc109035b2278fc02d92be17800224716692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6444e2e8f719fb80c65a101333bbc109035b2278fc02d92be17800224716692", kill_on_drop: false }`
[INFO] [stdout] a6444e2e8f719fb80c65a101333bbc109035b2278fc02d92be17800224716692