[INFO] cloning repository https://github.com/gabcbrown/encoding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabcbrown/encoding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabcbrown%2Fencoding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabcbrown%2Fencoding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1857349a14e17cc22d6674303d9b209844999928
[INFO] testing gabcbrown/encoding against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabcbrown%2Fencoding" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gabcbrown/encoding on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gabcbrown/encoding
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/gabcbrown/encoding
[INFO] tweaked toml for git repo https://github.com/gabcbrown/encoding written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/gabcbrown/encoding already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fac82ff1faefd3edfb8da7e8eaa65a37759cf10f74cdaefcb7334bafffe3adf
[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" "1fac82ff1faefd3edfb8da7e8eaa65a37759cf10f74cdaefcb7334bafffe3adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fac82ff1faefd3edfb8da7e8eaa65a37759cf10f74cdaefcb7334bafffe3adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fac82ff1faefd3edfb8da7e8eaa65a37759cf10f74cdaefcb7334bafffe3adf", kill_on_drop: false }`
[INFO] [stdout] 1fac82ff1faefd3edfb8da7e8eaa65a37759cf10f74cdaefcb7334bafffe3adf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--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] f8282d4dcbcf92d99ad391ef2d94cd866dff17e396b4dc492418f17f76b0fd29
[INFO] running `Command { std: "docker" "start" "-a" "f8282d4dcbcf92d99ad391ef2d94cd866dff17e396b4dc492418f17f76b0fd29", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling datatest v0.6.4 (https://github.com/cormacrelf/datatest#0c12efab)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling datatest-derive v0.6.4 (https://github.com/cormacrelf/datatest#0c12efab)
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/datatest-8f1d8ca908a37906/0c12efa/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/datatest-8f1d8ca908a37906/0c12efa/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/datatest-8f1d8ca908a37906/0c12efa/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(termination_trait_lib)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing fields `compile_fail` and `no_run` in initializer of `TestDesc`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/datatest-8f1d8ca908a37906/0c12efa/src/runner.rs:174:23
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 desc: TestDesc {
[INFO] [stdout]     |                       ^^^^^^^^ missing `compile_fail` and `no_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing fields `compile_fail` and `no_run` in initializer of `TestDesc`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/datatest-8f1d8ca908a37906/0c12efa/src/runner.rs:219:19
[INFO] [stdout]     |
[INFO] [stdout] 219 |             desc: TestDesc {
[INFO] [stdout]     |                   ^^^^^^^^ missing `compile_fail` and `no_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing fields `compile_fail` and `no_run` in initializer of `TestDesc`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/datatest-8f1d8ca908a37906/0c12efa/src/runner.rs:403:23
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 desc: TestDesc {
[INFO] [stdout]     |                       ^^^^^^^^ missing `compile_fail` and `no_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: attempting to compile datatest on stable without opting in to subvert_stable_guarantees feature; will fail
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `datatest`
[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" "f8282d4dcbcf92d99ad391ef2d94cd866dff17e396b4dc492418f17f76b0fd29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8282d4dcbcf92d99ad391ef2d94cd866dff17e396b4dc492418f17f76b0fd29", kill_on_drop: false }`
[INFO] [stdout] f8282d4dcbcf92d99ad391ef2d94cd866dff17e396b4dc492418f17f76b0fd29
