[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 beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frroohhh%2Fmtf-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rroohhh/mtf-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0407d0f15213b87a41b02d6905a4ae48f5452020c899418dd2284986cd540d54
[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" "0407d0f15213b87a41b02d6905a4ae48f5452020c899418dd2284986cd540d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0407d0f15213b87a41b02d6905a4ae48f5452020c899418dd2284986cd540d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0407d0f15213b87a41b02d6905a4ae48f5452020c899418dd2284986cd540d54", kill_on_drop: false }`
[INFO] [stdout] 0407d0f15213b87a41b02d6905a4ae48f5452020c899418dd2284986cd540d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95f1f116341b72c55e31787f817956fa1da7c3ce639b8d4cac54aac44ef5a499
[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" "95f1f116341b72c55e31787f817956fa1da7c3ce639b8d4cac54aac44ef5a499", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling jetscii v0.4.4
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking mtf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found keyword `let`
[INFO] [stdout]    --> src/main.rs:919:9
[INFO] [stdout]     |
[INFO] [stdout] 918 | i
[INFO] [stdout]     |  - expected one of 8 possible tokens
[INFO] [stdout] 919 |         let header = StreamHeader {
[INFO] [stdout]     |         ^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found keyword `let`
[INFO] [stdout]    --> src/main.rs:919:9
[INFO] [stdout]     |
[INFO] [stdout] 918 | i
[INFO] [stdout]     |  - expected one of 8 possible tokens
[INFO] [stdout] 919 |         let header = StreamHeader {
[INFO] [stdout]     |         ^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TYPE_1` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     TYPE_1,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `Type1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TYPE_2` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     TYPE_2,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `Type2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NO_STRINGS` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 |     NO_STRINGS,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `NoStrings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ANSI_STR` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     ANSI_STR,
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `AnsiStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UNICODE_STR` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     UNICODE_STR,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `UnicodeStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DOS_Windows3_X` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:697:5
[INFO] [stdout]     |
[INFO] [stdout] 697 |     DOS_Windows3_X,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DosWindows3X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jetscii::ByteSubstring`
[INFO] [stdout]    --> src/main.rs:987:5
[INFO] [stdout]     |
[INFO] [stdout] 987 | use jetscii::ByteSubstring;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TYPE_1` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     TYPE_1,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `Type1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TYPE_2` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     TYPE_2,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `Type2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NO_STRINGS` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 |     NO_STRINGS,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `NoStrings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ANSI_STR` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     ANSI_STR,
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `AnsiStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UNICODE_STR` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     UNICODE_STR,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `UnicodeStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DOS_Windows3_X` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:697:5
[INFO] [stdout]     |
[INFO] [stdout] 697 |     DOS_Windows3_X,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DosWindows3X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jetscii::ByteSubstring`
[INFO] [stdout]    --> src/main.rs:987:5
[INFO] [stdout]     |
[INFO] [stdout] 987 | use jetscii::ByteSubstring;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mtf`
[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] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "95f1f116341b72c55e31787f817956fa1da7c3ce639b8d4cac54aac44ef5a499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f1f116341b72c55e31787f817956fa1da7c3ce639b8d4cac54aac44ef5a499", kill_on_drop: false }`
[INFO] [stdout] 95f1f116341b72c55e31787f817956fa1da7c3ce639b8d4cac54aac44ef5a499