[INFO] cloning repository https://github.com/bon-chi/egyptian_multiplication
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bon-chi/egyptian_multiplication" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbon-chi%2Fegyptian_multiplication", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbon-chi%2Fegyptian_multiplication'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a414b6c4770f7639c5b4b1414460f08760c4081f
[INFO] checking bon-chi/egyptian_multiplication against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbon-chi%2Fegyptian_multiplication" "/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/bon-chi/egyptian_multiplication on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bon-chi/egyptian_multiplication
[INFO] finished tweaking git repo https://github.com/bon-chi/egyptian_multiplication
[INFO] tweaked toml for git repo https://github.com/bon-chi/egyptian_multiplication written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bon-chi/egyptian_multiplication already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6e745ce4d26ba9781c5e7d58ec9e17bb20e8c641eaa9596662a9447f60bcdfa
[INFO] running `Command { std: "docker" "start" "-a" "e6e745ce4d26ba9781c5e7d58ec9e17bb20e8c641eaa9596662a9447f60bcdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6e745ce4d26ba9781c5e7d58ec9e17bb20e8c641eaa9596662a9447f60bcdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e745ce4d26ba9781c5e7d58ec9e17bb20e8c641eaa9596662a9447f60bcdfa", kill_on_drop: false }`
[INFO] [stdout] e6e745ce4d26ba9781c5e7d58ec9e17bb20e8c641eaa9596662a9447f60bcdfa
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1399f03a4ec87a3f29dcb3175a3983ebf8262af0510c067e71ea5757eafc78af
[INFO] running `Command { std: "docker" "start" "-a" "1399f03a4ec87a3f29dcb3175a3983ebf8262af0510c067e71ea5757eafc78af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking egyptian_multiplication v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/main.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn add(&self, &Self) -> Self;
[INFO] [stdout]    |                   ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/main.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn add(&self, &Self) -> Self;
[INFO] [stdout]    |                   ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 0.35s
[INFO] running `Command { std: "docker" "inspect" "1399f03a4ec87a3f29dcb3175a3983ebf8262af0510c067e71ea5757eafc78af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1399f03a4ec87a3f29dcb3175a3983ebf8262af0510c067e71ea5757eafc78af", kill_on_drop: false }`
[INFO] [stdout] 1399f03a4ec87a3f29dcb3175a3983ebf8262af0510c067e71ea5757eafc78af