[INFO] cloning repository https://github.com/entropic-dev/dstopic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/entropic-dev/dstopic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fentropic-dev%2Fdstopic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fentropic-dev%2Fdstopic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71d2558e380fc53dd148e326679ba32301c85dba
[INFO] checking entropic-dev/dstopic against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fentropic-dev%2Fdstopic" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/entropic-dev/dstopic on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/entropic-dev/dstopic
[INFO] removed workspace from git repo https://github.com/entropic-dev/dstopic
[INFO] finished tweaking git repo https://github.com/entropic-dev/dstopic
[INFO] tweaked toml for git repo https://github.com/entropic-dev/dstopic written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/entropic-dev/dstopic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chownr v2.0.0
[INFO] [stderr]   Downloaded mkdirp v1.0.0
[INFO] [stderr]   Downloaded ssri v3.0.0
[INFO] [stderr]   Downloaded cacache v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95757f2193a2357359fb0a5e131703d0ea44ace80cd8f340596febe1a8caf52c
[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" "95757f2193a2357359fb0a5e131703d0ea44ace80cd8f340596febe1a8caf52c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95757f2193a2357359fb0a5e131703d0ea44ace80cd8f340596febe1a8caf52c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95757f2193a2357359fb0a5e131703d0ea44ace80cd8f340596febe1a8caf52c", kill_on_drop: false }`
[INFO] [stdout] 95757f2193a2357359fb0a5e131703d0ea44ace80cd8f340596febe1a8caf52c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d6d0f85636947e357a8b1d6a0862090773ddceb78bf7ed824ce2ceb67f0f3a8
[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" "2d6d0f85636947e357a8b1d6a0862090773ddceb78bf7ed824ce2ceb67f0f3a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking mkdirp v1.0.0
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]     Checking walkdir v2.2.8
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking miniz_oxide_c_api v0.2.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking h2 v0.1.25
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking hyper v0.12.31
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking chownr v2.0.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking ssri v3.0.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking cacache v1.0.1
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking dstopic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cacache`
[INFO] [stdout]  --> src/fetch.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cacache;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reqwest`
[INFO] [stdout]  --> src/fetch.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use reqwest;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cacache`
[INFO] [stdout]  --> src/fetch.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cacache;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reqwest`
[INFO] [stdout]  --> src/fetch.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use reqwest;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.42s
[INFO] running `Command { std: "docker" "inspect" "2d6d0f85636947e357a8b1d6a0862090773ddceb78bf7ed824ce2ceb67f0f3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6d0f85636947e357a8b1d6a0862090773ddceb78bf7ed824ce2ceb67f0f3a8", kill_on_drop: false }`
[INFO] [stdout] 2d6d0f85636947e357a8b1d6a0862090773ddceb78bf7ed824ce2ceb67f0f3a8