[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#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Ftako" "/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/ruuda/tako 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/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-5/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c539f14a320ca83f7e1b6be36d5e80088cbf93518367aa7e8502482d09066e94
[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" "c539f14a320ca83f7e1b6be36d5e80088cbf93518367aa7e8502482d09066e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c539f14a320ca83f7e1b6be36d5e80088cbf93518367aa7e8502482d09066e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c539f14a320ca83f7e1b6be36d5e80088cbf93518367aa7e8502482d09066e94", kill_on_drop: false }`
[INFO] [stdout] c539f14a320ca83f7e1b6be36d5e80088cbf93518367aa7e8502482d09066e94
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27e12b4cdd7c9aa4616920522f2161a46e7cfed76d4d328dc485eb0b0a8291f5
[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" "27e12b4cdd7c9aa4616920522f2161a46e7cfed76d4d328dc485eb0b0a8291f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.12
[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 6.68s
[INFO] running `Command { std: "docker" "inspect" "27e12b4cdd7c9aa4616920522f2161a46e7cfed76d4d328dc485eb0b0a8291f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e12b4cdd7c9aa4616920522f2161a46e7cfed76d4d328dc485eb0b0a8291f5", kill_on_drop: false }`
[INFO] [stdout] 27e12b4cdd7c9aa4616920522f2161a46e7cfed76d4d328dc485eb0b0a8291f5