[INFO] cloning repository https://github.com/spec-tacles/proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spec-tacles/proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspec-tacles%2Fproxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspec-tacles%2Fproxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e55ecf4301e23a3f5e87e83418d11c5fa715a470
[INFO] testing spec-tacles/proxy against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspec-tacles%2Fproxy" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spec-tacles/proxy on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spec-tacles/proxy
[INFO] finished tweaking git repo https://github.com/spec-tacles/proxy
[INFO] tweaked toml for git repo https://github.com/spec-tacles/proxy written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/spec-tacles/proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/spec-tacles/rustacles`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanoid v0.3.0
[INFO] [stderr]   Downloaded amq-protocol-uri v6.0.0-rc12
[INFO] [stderr]   Downloaded pinky-swear v4.2.3
[INFO] [stderr]   Downloaded amq-protocol-types v6.0.0-rc12
[INFO] [stderr]   Downloaded amq-protocol v6.0.0-rc12
[INFO] [stderr]   Downloaded concurrent-queue v1.1.2
[INFO] [stderr]   Downloaded lapin v1.2.1
[INFO] [stderr]   Downloaded event-listener v2.2.1
[INFO] [stderr]   Downloaded redis v0.16.0
[INFO] [stderr]   Downloaded amq-protocol-tcp v6.0.0-rc12
[INFO] [stderr]   Downloaded async-channel v1.2.0
[INFO] [stderr]   Downloaded tcp-stream v0.20.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] cca20aa823abe6c84e67edc5f827fb1417ecb3d1c6b12e57d9ef7e2462770af8
[INFO] running `Command { std: "docker" "start" "-a" "cca20aa823abe6c84e67edc5f827fb1417ecb3d1c6b12e57d9ef7e2462770af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cca20aa823abe6c84e67edc5f827fb1417ecb3d1c6b12e57d9ef7e2462770af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca20aa823abe6c84e67edc5f827fb1417ecb3d1c6b12e57d9ef7e2462770af8", kill_on_drop: false }`
[INFO] [stdout] cca20aa823abe6c84e67edc5f827fb1417ecb3d1c6b12e57d9ef7e2462770af8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f6ad03522af3d18df3cb2e61f0f99d239126f4e22d30c8cda9e53e31d151a86
[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" "1f6ad03522af3d18df3cb2e61f0f99d239126f4e22d30c8cda9e53e31d151a86", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling amq-protocol v6.0.0-rc12
[INFO] [stderr]    Compiling cookie-factory v0.3.1
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling lapin v1.2.1
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling uriparse v0.6.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uriparse-0.6.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(non_exhaustive)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nom v6.0.0-alpha1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uriparse`.
[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" "1f6ad03522af3d18df3cb2e61f0f99d239126f4e22d30c8cda9e53e31d151a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6ad03522af3d18df3cb2e61f0f99d239126f4e22d30c8cda9e53e31d151a86", kill_on_drop: false }`
[INFO] [stdout] 1f6ad03522af3d18df3cb2e61f0f99d239126f4e22d30c8cda9e53e31d151a86