[INFO] cloning repository https://github.com/unixunion/rust-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unixunion/rust-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixunion%2Frust-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixunion%2Frust-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f7bd9f5ea972924d849b648c3bf1e7f07c4a622
[INFO] checking unixunion/rust-training against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixunion%2Frust-training" "/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/unixunion/rust-training on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/unixunion/rust-training
[INFO] finished tweaking git repo https://github.com/unixunion/rust-training
[INFO] tweaked toml for git repo https://github.com/unixunion/rust-training written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/unixunion/rust-training already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 82d359a7f56b84b03e3d3d015afa286566be5823d7586112a906a58d726ecfd3
[INFO] running `Command { std: "docker" "start" "-a" "82d359a7f56b84b03e3d3d015afa286566be5823d7586112a906a58d726ecfd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82d359a7f56b84b03e3d3d015afa286566be5823d7586112a906a58d726ecfd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d359a7f56b84b03e3d3d015afa286566be5823d7586112a906a58d726ecfd3", kill_on_drop: false }`
[INFO] [stdout] 82d359a7f56b84b03e3d3d015afa286566be5823d7586112a906a58d726ecfd3
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f5f0dedde1a21bb56cde22b91c2969da9bc1f4b217f54db64308ed616a49f43
[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" "2f5f0dedde1a21bb56cde22b91c2969da9bc1f4b217f54db64308ed616a49f43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking memoffset v0.2.1
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[INFO] [stderr]     Checking ucd-util v0.1.3
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[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking itoa v0.4.3
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[INFO] [stderr]     Checking termcolor v1.0.4
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[INFO] [stderr]    Compiling rand_pcg v0.1.1
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[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking bytes v0.4.11
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[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking tokio-io v0.1.11
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[INFO] [stderr]     Checking h2 v0.1.16
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[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]     Checking hyper v0.12.24
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking ksh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Client`, `header`
[INFO] [stdout]   --> src/main.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | use hyper::{Body, Client, header, Request, Response, Server, Method, StatusCode};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hyper::client::HttpConnector`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use hyper::client::HttpConnector;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hyper::service::service_fn_ok`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use hyper::service::service_fn_ok;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | type BoxFut = Box<Future<Item=Response<Body>, Error=hyper::Error> + Send>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Response<Body>, Error=hyper::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Client`, `header`
[INFO] [stdout]   --> src/main.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | use hyper::{Body, Client, header, Request, Response, Server, Method, StatusCode};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hyper::client::HttpConnector`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use hyper::client::HttpConnector;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hyper::service::service_fn_ok`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use hyper::service::service_fn_ok;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | type BoxFut = Box<Future<Item=Response<Body>, Error=hyper::Error> + Send>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Response<Body>, Error=hyper::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]   --> src/main.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 | use hyper::rt::{Future, Stream};
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]   --> src/main.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 | use hyper::rt::{Future, Stream};
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.40s
[INFO] running `Command { std: "docker" "inspect" "2f5f0dedde1a21bb56cde22b91c2969da9bc1f4b217f54db64308ed616a49f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5f0dedde1a21bb56cde22b91c2969da9bc1f4b217f54db64308ed616a49f43", kill_on_drop: false }`
[INFO] [stdout] 2f5f0dedde1a21bb56cde22b91c2969da9bc1f4b217f54db64308ed616a49f43