[INFO] cloning repository https://github.com/hinohi/test-serde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hinohi/test-serde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinohi%2Ftest-serde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinohi%2Ftest-serde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dca2342baccdeee5f19e9012a989702d0db4b5a
[INFO] checking hinohi/test-serde against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinohi%2Ftest-serde" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hinohi/test-serde on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hinohi/test-serde
[INFO] finished tweaking git repo https://github.com/hinohi/test-serde
[INFO] tweaked toml for git repo https://github.com/hinohi/test-serde written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/hinohi/test-serde already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp v0.8.7
[INFO] [stderr]   Downloaded rmp-serde v0.13.7
[INFO] [stderr]   Downloaded iter-read v0.1.0
[INFO] [stderr]   Downloaded serde_json v1.0.31
[INFO] [stderr]   Downloaded ron v0.4.0
[INFO] [stderr]   Downloaded serde v1.0.79
[INFO] [stderr]   Downloaded serde_derive v1.0.79
[INFO] [stderr]   Downloaded toml v0.4.8
[INFO] [stderr]   Downloaded syn v0.15.7
[INFO] [stderr]   Downloaded serde-pickle v0.4.1
[INFO] [stderr]   Downloaded yaml-rust v0.4.2
[INFO] [stderr]   Downloaded serde_yaml v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33edf292c4c507d1eaf0522862d19523d525124d079dcb7705605735d78a3262
[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" "33edf292c4c507d1eaf0522862d19523d525124d079dcb7705605735d78a3262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33edf292c4c507d1eaf0522862d19523d525124d079dcb7705605735d78a3262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33edf292c4c507d1eaf0522862d19523d525124d079dcb7705605735d78a3262", kill_on_drop: false }`
[INFO] [stdout] 33edf292c4c507d1eaf0522862d19523d525124d079dcb7705605735d78a3262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7fa672ebc128fa817a19f55efe4cc8389e1efca681ed043ff979ca6249c255d
[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" "c7fa672ebc128fa817a19f55efe4cc8389e1efca681ed043ff979ca6249c255d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde-pickle v0.4.1
[INFO] [stderr]     Checking ron v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]     Checking serde_yaml v0.8.5
[INFO] [stderr]     Checking serde-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test`
[INFO] [stdout]  --> src/pf.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use test;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde-test`.
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "c7fa672ebc128fa817a19f55efe4cc8389e1efca681ed043ff979ca6249c255d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7fa672ebc128fa817a19f55efe4cc8389e1efca681ed043ff979ca6249c255d", kill_on_drop: false }`
[INFO] [stdout] c7fa672ebc128fa817a19f55efe4cc8389e1efca681ed043ff979ca6249c255d
