[INFO] cloning repository https://github.com/notflan/chacha20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notflan/chacha20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotflan%2Fchacha20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotflan%2Fchacha20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e679167c75c8c9acefabdf1f39661fd22740cfb
[INFO] checking notflan/chacha20 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotflan%2Fchacha20" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/notflan/chacha20
[INFO] finished tweaking git repo https://github.com/notflan/chacha20
[INFO] tweaked toml for git repo https://github.com/notflan/chacha20 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/notflan/chacha20 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/notflan/chacha20 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eed3c9a88d217e2bd004553e21ec02167a0539a725ec0908943844df826dd54b
[INFO] running `Command { std: "docker" "start" "-a" "eed3c9a88d217e2bd004553e21ec02167a0539a725ec0908943844df826dd54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eed3c9a88d217e2bd004553e21ec02167a0539a725ec0908943844df826dd54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed3c9a88d217e2bd004553e21ec02167a0539a725ec0908943844df826dd54b", kill_on_drop: false }`
[INFO] [stdout] eed3c9a88d217e2bd004553e21ec02167a0539a725ec0908943844df826dd54b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d9501311eefe1b3f0932b195fe22fbb1669975d34ea149110f53fa881f72ea0
[INFO] running `Command { std: "docker" "start" "-a" "3d9501311eefe1b3f0932b195fe22fbb1669975d34ea149110f53fa881f72ea0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling smallmap v1.4.0
[INFO] [stderr]    Compiling chacha20 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smallmap-1.4.0/src/lib.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![cfg_attr(nightly, feature(drain_filter))] 
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `option_filter`
[INFO] [stdout]    |
[INFO] [stdout] 31 - #![cfg_attr(nightly, feature(drain_filter))] 
[INFO] [stdout] 31 + #![cfg_attr(nightly, feature(option_filter))] 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<Page<K, V>>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smallmap-1.4.0/src/lib.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     self.0.drain_filter(|x| x.len() <1);
[INFO] [stdout]     |            ^^^^^^^^^^^^ method not found in `Vec<Page<K, V>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smallmap-1.4.0/src/lib.rs:271:35
[INFO] [stdout]     |
[INFO] [stdout] 229 | impl<K,V> Map<K,V>
[INFO] [stdout]     |      - expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 271 |     self.0.drain_filter(|x| x.len() <1);
[INFO] [stdout]     |                                      ^ expected type parameter `K`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `K`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smallmap` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3d9501311eefe1b3f0932b195fe22fbb1669975d34ea149110f53fa881f72ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9501311eefe1b3f0932b195fe22fbb1669975d34ea149110f53fa881f72ea0", kill_on_drop: false }`
[INFO] [stdout] 3d9501311eefe1b3f0932b195fe22fbb1669975d34ea149110f53fa881f72ea0
