[INFO] cloning repository https://github.com/uptech/alt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uptech/alt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuptech%2Falt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuptech%2Falt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 407d9198e7f10a986706d90540074a81a4ecced5
[INFO] checking uptech/alt against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuptech%2Falt" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uptech/alt on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/uptech/alt
[INFO] finished tweaking git repo https://github.com/uptech/alt
[INFO] tweaked toml for git repo https://github.com/uptech/alt written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/uptech/alt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded same-file v1.0.1
[INFO] [stderr]   Downloaded winapi v0.3.2
[INFO] [stderr]   Downloaded walkdir v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 145f4d126b8417f3aa12898a0c6058e02257619b4fe22af2137e410b9afe0da0
[INFO] running `Command { std: "docker" "start" "-a" "145f4d126b8417f3aa12898a0c6058e02257619b4fe22af2137e410b9afe0da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "145f4d126b8417f3aa12898a0c6058e02257619b4fe22af2137e410b9afe0da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145f4d126b8417f3aa12898a0c6058e02257619b4fe22af2137e410b9afe0da0", kill_on_drop: false }`
[INFO] [stdout] 145f4d126b8417f3aa12898a0c6058e02257619b4fe22af2137e410b9afe0da0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02bc7036fcadbd7d2ef503fb23d6f3d0197f76f394b53a4901bd09c76a2e7dde
[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" "02bc7036fcadbd7d2ef503fb23d6f3d0197f76f394b53a4901bd09c76a2e7dde", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.35
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking same-file v1.0.1
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking walkdir v2.0.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking globset v0.2.1
[INFO] [stderr]     Checking ignore v0.3.1
[INFO] [stderr]     Checking alt v3.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/alt/path/classification/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     lazy_static! {
[INFO] [stdout] 7 | |         static ref RE: Regex = Regex::new(r"(?:^(features/step_definitions/|test/|spec/|tests/|src/test/|\w*Tests/))|(?:^((\w+/)+spec/|(\...
[INFO] [stdout] 8 | |     }
[INFO] [stdout]   | |_____^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/alt/path/alteration/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     lazy_static! {
[INFO] [stdout] 7 | |         static ref RE: Regex = Regex::new(r"(test_)?(?P<p>\w+?)(_rake_spec|_spec|_rake_test|_test|_steps|.test|.spec|Tests|UITests|Specs|...
[INFO] [stdout] 8 | |     }
[INFO] [stdout]   | |_____^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/alt/path/classification/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     lazy_static! {
[INFO] [stdout] 7 | |         static ref RE: Regex = Regex::new(r"(?:^(features/step_definitions/|test/|spec/|tests/|src/test/|\w*Tests/))|(?:^((\w+/)+spec/|(\...
[INFO] [stdout] 8 | |     }
[INFO] [stdout]   | |_____^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/alt/path/alteration/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     lazy_static! {
[INFO] [stdout] 7 | |         static ref RE: Regex = Regex::new(r"(test_)?(?P<p>\w+?)(_rake_spec|_spec|_rake_test|_test|_steps|.test|.spec|Tests|UITests|Specs|...
[INFO] [stdout] 8 | |     }
[INFO] [stdout]   | |_____^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "02bc7036fcadbd7d2ef503fb23d6f3d0197f76f394b53a4901bd09c76a2e7dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02bc7036fcadbd7d2ef503fb23d6f3d0197f76f394b53a4901bd09c76a2e7dde", kill_on_drop: false }`
[INFO] [stdout] 02bc7036fcadbd7d2ef503fb23d6f3d0197f76f394b53a4901bd09c76a2e7dde