[INFO] cloning repository https://github.com/dpc/sniper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpc/sniper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fsniper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fsniper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34a133a2fc882df9da45608b597afd94baa86990
[INFO] documenting dpc/sniper against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fsniper" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpc/sniper on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpc/sniper
[INFO] finished tweaking git repo https://github.com/dpc/sniper
[INFO] tweaked toml for git repo https://github.com/dpc/sniper written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/dpc/sniper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sync_wrapper v0.1.1
[INFO] [stderr]   Downloaded tracing v0.1.27
[INFO] [stderr]   Downloaded http-range-header v0.3.0
[INFO] [stderr]   Downloaded tower-http v0.2.0
[INFO] [stderr]   Downloaded axum v0.4.3
[INFO] [stderr]   Downloaded axum-core v0.1.1
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded matchit v0.4.4
[INFO] [stderr]   Downloaded r2d2_postgres v0.18.1
[INFO] [stderr]   Downloaded tracing-attributes v0.1.16
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.22
[INFO] [stderr]   Downloaded dyno v0.1.0
[INFO] [stderr]   Downloaded async-condvar-fair v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb5aef6eab09cee944d74a54492dea6781fa35394f8129d73741ab957d79bf44
[INFO] running `Command { std: "docker" "start" "-a" "eb5aef6eab09cee944d74a54492dea6781fa35394f8129d73741ab957d79bf44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb5aef6eab09cee944d74a54492dea6781fa35394f8129d73741ab957d79bf44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5aef6eab09cee944d74a54492dea6781fa35394f8129d73741ab957d79bf44", kill_on_drop: false }`
[INFO] [stdout] eb5aef6eab09cee944d74a54492dea6781fa35394f8129d73741ab957d79bf44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4be7d35fb33a2885e62b2148c0fe7cfb54e6aded48ca34d330f0ecd0a248efa3
[INFO] running `Command { std: "docker" "start" "-a" "4be7d35fb33a2885e62b2148c0fe7cfb54e6aded48ca34d330f0ecd0a248efa3", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking subtle v2.4.1
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[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking try-lock v0.2.3
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[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking once_cell v1.8.0
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[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking dyno v0.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking instant v0.1.10
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[INFO] [stderr]     Checking sharded-slab v0.1.3
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[INFO] [stderr]     Checking thread_local v1.1.3
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[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
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[INFO] [stderr]     Checking postgres-types v0.2.1
[INFO] [stderr]     Checking ctrlc v3.2.0
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking async-condvar-fair v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing v0.1.27
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking axum-core v0.1.1
[INFO] [stderr]     Checking tower v0.4.11
[INFO] [stderr]     Checking tower-http v0.2.0
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-postgres v0.7.2
[INFO] [stderr]     Checking postgres v0.19.1
[INFO] [stderr]     Checking r2d2_postgres v0.18.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking axum v0.4.3
[INFO] [stderr]     Checking tracing-subscriber v0.2.22
[INFO] [stderr]  Documenting sniper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(map_first_last)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `sniper`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name sniper src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6fe8248d8066fe14 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-e2f1045db6186d31.rmeta --extern async_condvar_fair=/opt/rustwide/target/debug/deps/libasync_condvar_fair-06616b93f3600a6b.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-dcd379b04a44eaca.so --extern axum=/opt/rustwide/target/debug/deps/libaxum-6ef2f69d8ba6baf0.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-f795543ab91fd781.rmeta --extern dyno=/opt/rustwide/target/debug/deps/libdyno-e008bf448f17e427.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-d307a23bf766d410.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-fab3795c368347e6.rmeta --extern postgres=/opt/rustwide/target/debug/deps/libpostgres-5cc0192061101334.rmeta --extern r2d2=/opt/rustwide/target/debug/deps/libr2d2-dc15f37e754f5270.rmeta --extern r2d2_postgres=/opt/rustwide/target/debug/deps/libr2d2_postgres-ed9a807a912b9454.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a741a8aa85758ad8.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-4cfc1d193500d6ad.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-c436bf3516aa14a1.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-cb6a0ac3b585261c.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-9cc73675209fcc77.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4be7d35fb33a2885e62b2148c0fe7cfb54e6aded48ca34d330f0ecd0a248efa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be7d35fb33a2885e62b2148c0fe7cfb54e6aded48ca34d330f0ecd0a248efa3", kill_on_drop: false }`
[INFO] [stdout] 4be7d35fb33a2885e62b2148c0fe7cfb54e6aded48ca34d330f0ecd0a248efa3