[INFO] fetching crate schnorr 0.0.20...
[INFO] checking schnorr-0.0.20 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate schnorr 0.0.20 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate schnorr 0.0.20 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate schnorr 0.0.20
[INFO] finished tweaking crates.io crate schnorr 0.0.20
[INFO] tweaked toml for crates.io crate schnorr 0.0.20 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-hex v2.1.0
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded blake2 v0.8.1
[INFO] [stderr]   Downloaded subtle v1.0.0
[INFO] [stderr]   Downloaded crypto-mac v0.7.0
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.2
[INFO] [stderr]   Downloaded uint v0.8.5
[INFO] [stderr]   Downloaded mohan v0.0.53
[INFO] [stderr]   Downloaded bacteria v0.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", 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] 36a6e414b56d1b77bf7fcc3e2d762b0c49d8200bf28a6fd144d42f74e97762e5
[INFO] running `Command { std: "docker" "start" "-a" "36a6e414b56d1b77bf7fcc3e2d762b0c49d8200bf28a6fd144d42f74e97762e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36a6e414b56d1b77bf7fcc3e2d762b0c49d8200bf28a6fd144d42f74e97762e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a6e414b56d1b77bf7fcc3e2d762b0c49d8200bf28a6fd144d42f74e97762e5", kill_on_drop: false }`
[INFO] [stdout] 36a6e414b56d1b77bf7fcc3e2d762b0c49d8200bf28a6fd144d42f74e97762e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c0074957f612211108ea18a994230fac873d532bfa30f7353156e6cf5794022
[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" "9c0074957f612211108ea18a994230fac873d532bfa30f7353156e6cf5794022", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling packed_simd_2 v0.3.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-2.4.0/src/lib.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(feature = "nightly", feature(external_doc))]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `subtle`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9c0074957f612211108ea18a994230fac873d532bfa30f7353156e6cf5794022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0074957f612211108ea18a994230fac873d532bfa30f7353156e6cf5794022", kill_on_drop: false }`
[INFO] [stdout] 9c0074957f612211108ea18a994230fac873d532bfa30f7353156e6cf5794022