[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] 6e00b4dfbcd7a1577e7310ec33c17e01b0209ec7
[INFO] checking dpc/sniper against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fsniper" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpc/sniper on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-12/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" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dlv-list v0.2.3
[INFO] [stderr]   Downloaded sync_wrapper v0.1.1
[INFO] [stderr]   Downloaded async-condvar-fair v0.1.0
[INFO] [stderr]   Downloaded r2d2_postgres v0.18.1
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded tower v0.4.8
[INFO] [stderr]   Downloaded tower-http v0.1.1
[INFO] [stderr]   Downloaded axum v0.2.4
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b095f6dfc45fa22632ea185c0f6d398024f3af184fbff9e0d1b293d9ab6db94
[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" "8b095f6dfc45fa22632ea185c0f6d398024f3af184fbff9e0d1b293d9ab6db94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b095f6dfc45fa22632ea185c0f6d398024f3af184fbff9e0d1b293d9ab6db94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b095f6dfc45fa22632ea185c0f6d398024f3af184fbff9e0d1b293d9ab6db94", kill_on_drop: false }`
[INFO] [stdout] 8b095f6dfc45fa22632ea185c0f6d398024f3af184fbff9e0d1b293d9ab6db94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17d4e1e2e7a3f1b19e4ef51cd093c2467092d4a9cf8d66990918dcf5a3787b0a
[INFO] running `Command { std: "docker" "start" "-a" "17d4e1e2e7a3f1b19e4ef51cd093c2467092d4a9cf8d66990918dcf5a3787b0a", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking dlv-list v0.2.3
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking postgres-protocol v0.6.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking postgres-types v0.2.1
[INFO] [stderr]     Checking futures-util v0.3.17
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing v0.1.27
[INFO] [stderr]     Checking tracing-subscriber v0.2.22
[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]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking tower v0.4.8
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-postgres v0.7.2
[INFO] [stderr]     Checking axum v0.2.4
[INFO] [stderr]     Checking postgres v0.19.1
[INFO] [stderr]     Checking r2d2_postgres v0.18.1
[INFO] [stderr]     Checking sniper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta 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 beta 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 beta 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[E0554]: `#![feature]` may not be used on the beta 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: aborting due to 2 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 compile `sniper` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "17d4e1e2e7a3f1b19e4ef51cd093c2467092d4a9cf8d66990918dcf5a3787b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d4e1e2e7a3f1b19e4ef51cd093c2467092d4a9cf8d66990918dcf5a3787b0a", kill_on_drop: false }`
[INFO] [stdout] 17d4e1e2e7a3f1b19e4ef51cd093c2467092d4a9cf8d66990918dcf5a3787b0a
