[INFO] cloning repository https://github.com/gamma-delta/quad-wasmnastics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gamma-delta/quad-wasmnastics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fquad-wasmnastics", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1baae4260d21feef411ce012bc3cb8ea7c880bd
[INFO] checking gamma-delta/quad-wasmnastics against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fquad-wasmnastics" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gamma-delta/quad-wasmnastics
[INFO] finished tweaking git repo https://github.com/gamma-delta/quad-wasmnastics
[INFO] tweaked toml for git repo https://github.com/gamma-delta/quad-wasmnastics written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gamma-delta/quad-wasmnastics on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gamma-delta/quad-wasmnastics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "5086c3c4976b14dfdbb84ebcbe7bd7e3bee1a5957288e59019be66b571142dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5086c3c4976b14dfdbb84ebcbe7bd7e3bee1a5957288e59019be66b571142dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5086c3c4976b14dfdbb84ebcbe7bd7e3bee1a5957288e59019be66b571142dc2", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23581db57dd355c6fa013e70bf212df466f1e75684dc33ab34d9c0b114f5d4c2
[INFO] running `Command { std: "docker" "start" "-a" "23581db57dd355c6fa013e70bf212df466f1e75684dc33ab34d9c0b114f5d4c2", kill_on_drop: false }`
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[INFO] [stderr]     Checking quad-wasmnastics v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> examples/clipboardinator.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<Waiter<()>>` in the current scope
[INFO] [stdout]   --> examples/clipboardinator.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 36 | /         copy_queue
[INFO] [stdout] 37 | |             // remove it if it's some
[INFO] [stdout] 38 | |             .drain_filter(|waiter| {
[INFO] [stdout]    | |             -^^^^^^^^^^^^ method not found in `Vec<Waiter<()>>`
[INFO] [stdout]    | |_____________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<Waiter<std::string::String>>` in the current scope
[INFO] [stdout]   --> examples/clipboardinator.rs:53:14
[INFO] [stdout]    |
[INFO] [stdout] 52 | /         paste_queue
[INFO] [stdout] 53 | |             .drain_filter(|waiter| {
[INFO] [stdout]    | |             -^^^^^^^^^^^^ method not found in `Vec<Waiter<std::string::String>>`
[INFO] [stdout]    | |_____________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quad-wasmnastics` (example "clipboardinator") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "23581db57dd355c6fa013e70bf212df466f1e75684dc33ab34d9c0b114f5d4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23581db57dd355c6fa013e70bf212df466f1e75684dc33ab34d9c0b114f5d4c2", kill_on_drop: false }`
[INFO] [stdout] 23581db57dd355c6fa013e70bf212df466f1e75684dc33ab34d9c0b114f5d4c2
