[INFO] fetching crate t-rust-less-lib 0.1.11...
[INFO] checking t-rust-less-lib-0.1.11 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate t-rust-less-lib 0.1.11 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate t-rust-less-lib 0.1.11 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate t-rust-less-lib 0.1.11
[INFO] finished tweaking crates.io crate t-rust-less-lib 0.1.11
[INFO] tweaked toml for crates.io crate t-rust-less-lib 0.1.11 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c6363840151ff54058d4b90930945bbfa159c3fe70474e37590d9d709c3f946
[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" "0c6363840151ff54058d4b90930945bbfa159c3fe70474e37590d9d709c3f946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c6363840151ff54058d4b90930945bbfa159c3fe70474e37590d9d709c3f946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6363840151ff54058d4b90930945bbfa159c3fe70474e37590d9d709c3f946", kill_on_drop: false }`
[INFO] [stdout] 0c6363840151ff54058d4b90930945bbfa159c3fe70474e37590d9d709c3f946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee9fd5fcdcbb3879c5e6e7adfa8758cf8f3610db7b525feaf4fef29623c5bd1e
[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" "ee9fd5fcdcbb3879c5e6e7adfa8758cf8f3610db7b525feaf4fef29623c5bd1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling capnp v0.14.2
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking capnp v0.13.6
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking sublime_fuzzy v0.7.0
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling openssl-src v111.15.0+1.1.1k
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking crypto-mac v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking fancy-regex v0.4.1
[INFO] [stderr]    Compiling capnpc v0.14.4
[INFO] [stderr]     Checking rust-argon2 v0.8.3
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling t-rust-less-lib v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `capnp::Error: std::error::Error` is not satisfied
[INFO] [stdout]   --> build.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |       .run()?;
[INFO] [stdout]    |             ^ the trait `std::error::Error` is not implemented for `capnp::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `From<capnp::Error>` for `Box<dyn std::error::Error>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `FromResidual<Result<Infallible, capnp::Error>>` for `Result<(), Box<dyn std::error::Error>>`
[INFO] [stdout]    = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `capnp::Error: std::error::Error` is not satisfied
[INFO] [stdout]   --> build.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |       .run()?;
[INFO] [stdout]    |             ^ the trait `std::error::Error` is not implemented for `capnp::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `From<capnp::Error>` for `Box<dyn std::error::Error>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `FromResidual<Result<Infallible, capnp::Error>>` for `Result<(), Box<dyn std::error::Error>>`
[INFO] [stdout]    = note: required by `from_residual`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `t-rust-less-lib`
[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" "ee9fd5fcdcbb3879c5e6e7adfa8758cf8f3610db7b525feaf4fef29623c5bd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9fd5fcdcbb3879c5e6e7adfa8758cf8f3610db7b525feaf4fef29623c5bd1e", kill_on_drop: false }`
[INFO] [stdout] ee9fd5fcdcbb3879c5e6e7adfa8758cf8f3610db7b525feaf4fef29623c5bd1e