[INFO] cloning repository https://github.com/ruuda/tako
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruuda/tako" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Ftako", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Ftako'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9a6c6917968b15e80ace060dbdb18250cf21a7e
[INFO] checking ruuda/tako against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Ftako" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruuda/tako on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ruuda/tako
[INFO] finished tweaking git repo https://github.com/ruuda/tako
[INFO] tweaked toml for git repo https://github.com/ruuda/tako written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ruuda/tako already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libsodium-sys v0.0.16
[INFO] [stderr]   Downloaded sodiumoxide v0.0.16
[INFO] [stderr]   Downloaded filebuffer v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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] de2df1e7735a2b1cdae132a42876f20699eaf69576dbb790e4060ad54cf80429
[INFO] running `Command { std: "docker" "start" "-a" "de2df1e7735a2b1cdae132a42876f20699eaf69576dbb790e4060ad54cf80429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de2df1e7735a2b1cdae132a42876f20699eaf69576dbb790e4060ad54cf80429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2df1e7735a2b1cdae132a42876f20699eaf69576dbb790e4060ad54cf80429", kill_on_drop: false }`
[INFO] [stdout] de2df1e7735a2b1cdae132a42876f20699eaf69576dbb790e4060ad54cf80429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eab8ca3e4aec9606ee9dc6140ad75e53e8dc841ac7e1e475769e65023a544239
[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" "eab8ca3e4aec9606ee9dc6140ad75e53e8dc841ac7e1e475769e65023a544239", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking filebuffer v0.4.0
[INFO] [stderr]    Compiling libsodium-sys v0.0.16
[INFO] [stderr]     Checking sodiumoxide v0.0.16
[INFO] [stderr]     Checking tako v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/curl.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 | type Handler<'a> = Box<'a + FnMut(&[u8])>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + FnMut(&[u8])`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/curl.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 | type Handler<'a> = Box<'a + FnMut(&[u8])>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + FnMut(&[u8])`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "eab8ca3e4aec9606ee9dc6140ad75e53e8dc841ac7e1e475769e65023a544239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab8ca3e4aec9606ee9dc6140ad75e53e8dc841ac7e1e475769e65023a544239", kill_on_drop: false }`
[INFO] [stdout] eab8ca3e4aec9606ee9dc6140ad75e53e8dc841ac7e1e475769e65023a544239