[INFO] cloning repository https://github.com/tracer-protocol/tracer-ome
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tracer-protocol/tracer-ome" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftracer-protocol%2Ftracer-ome", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftracer-protocol%2Ftracer-ome'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2400e042205678a8b6932389c8c90b53598d1cf8
[INFO] checking tracer-protocol/tracer-ome 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%2Ftracer-protocol%2Ftracer-ome" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tracer-protocol/tracer-ome 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/tracer-protocol/tracer-ome
[INFO] finished tweaking git repo https://github.com/tracer-protocol/tracer-ome
[INFO] tweaked toml for git repo https://github.com/tracer-protocol/tracer-ome written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tracer-protocol/tracer-ome 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-display-derive v0.1.1
[INFO] [stderr]   Downloaded derive_more v0.99.13
[INFO] [stderr]   Downloaded secp256k1 v0.17.2
[INFO] [stderr]   Downloaded secp256k1-sys v0.1.2
[INFO] [stderr]   Downloaded cc v1.0.41
[INFO] [stderr]   Downloaded web3 v0.13.0
[INFO] [stderr]   Downloaded async-io v1.4.0
[INFO] [stderr]   Downloaded ring v0.16.12
[INFO] [stderr]   Downloaded hyper v0.14.6
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a842ff3b48b5f5adb8d9104b5f3f9407adf9d5e3f36b1281350650305f926483
[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" "a842ff3b48b5f5adb8d9104b5f3f9407adf9d5e3f36b1281350650305f926483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a842ff3b48b5f5adb8d9104b5f3f9407adf9d5e3f36b1281350650305f926483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a842ff3b48b5f5adb8d9104b5f3f9407adf9d5e3f36b1281350650305f926483", kill_on_drop: false }`
[INFO] [stdout] a842ff3b48b5f5adb8d9104b5f3f9407adf9d5e3f36b1281350650305f926483
[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=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] [stdout] 90b21088c0ca763da0247e3bf8ae192da4fdf88934218654e6443fd6b45fb815
[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" "90b21088c0ca763da0247e3bf8ae192da4fdf88934218654e6443fd6b45fb815", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking vec-arena v1.1.0
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling enum-display-derive v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking async-io v1.4.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking soketto v0.4.2
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking parity-scale-codec v1.3.7
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]     Checking jsonrpc-core v14.2.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper v0.14.6
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.3
[INFO] [stderr]     Checking ethereum-types v0.9.2
[INFO] [stderr]     Checking ethabi v12.0.0
[INFO] [stderr]     Checking web3 v0.13.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking warp v0.3.1
[INFO] [stderr]     Checking reqwest v0.11.3
[INFO] [stderr]     Checking tracer-ome v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(result_contains_err)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(destructuring_assignment)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(result_contains_err)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(destructuring_assignment)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 compile `tracer-ome` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "90b21088c0ca763da0247e3bf8ae192da4fdf88934218654e6443fd6b45fb815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b21088c0ca763da0247e3bf8ae192da4fdf88934218654e6443fd6b45fb815", kill_on_drop: false }`
[INFO] [stdout] 90b21088c0ca763da0247e3bf8ae192da4fdf88934218654e6443fd6b45fb815
