[INFO] cloning repository https://github.com/rroohhh/mtf-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rroohhh/mtf-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frroohhh%2Fmtf-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frroohhh%2Fmtf-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6680ff51aa4cda57da2ec6b33d58f004b181124e
[INFO] checking rroohhh/mtf-rs against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frroohhh%2Fmtf-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rroohhh/mtf-rs on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rroohhh/mtf-rs
[INFO] finished tweaking git repo https://github.com/rroohhh/mtf-rs
[INFO] tweaked toml for git repo https://github.com/rroohhh/mtf-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rroohhh/mtf-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] a5a16d815343d055c4ec3dc0a719774467f21f67af2c541f978bcc45f74a7520
[INFO] running `Command { std: "docker" "start" "-a" "a5a16d815343d055c4ec3dc0a719774467f21f67af2c541f978bcc45f74a7520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5a16d815343d055c4ec3dc0a719774467f21f67af2c541f978bcc45f74a7520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a16d815343d055c4ec3dc0a719774467f21f67af2c541f978bcc45f74a7520", kill_on_drop: false }`
[INFO] [stdout] a5a16d815343d055c4ec3dc0a719774467f21f67af2c541f978bcc45f74a7520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--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] e1f67000d968108e2e4950788490ccd00464d39b5f9c5c9a6ef62acb9d94f425
[INFO] running `Command { std: "docker" "start" "-a" "e1f67000d968108e2e4950788490ccd00464d39b5f9c5c9a6ef62acb9d94f425", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling jetscii v0.4.4
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/jetscii-0.4.4/src/simd.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             T::CONTROL_BYTE,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ cannot perform const operation using `T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: type parameters may not be used in const expressions
[INFO] [stdout]     = help: use `#![feature(const_generics)]` and `#![feature(const_evaluatable_checked)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/jetscii-0.4.4/src/simd.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             T::CONTROL_BYTE,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ cannot perform const operation using `T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: type parameters may not be used in const expressions
[INFO] [stdout]     = help: use `#![feature(const_generics)]` and `#![feature(const_evaluatable_checked)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jetscii`
[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" "e1f67000d968108e2e4950788490ccd00464d39b5f9c5c9a6ef62acb9d94f425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f67000d968108e2e4950788490ccd00464d39b5f9c5c9a6ef62acb9d94f425", kill_on_drop: false }`
[INFO] [stdout] e1f67000d968108e2e4950788490ccd00464d39b5f9c5c9a6ef62acb9d94f425