[INFO] cloning repository https://github.com/cosenmarco/softeelab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cosenmarco/softeelab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosenmarco%2Fsofteelab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosenmarco%2Fsofteelab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b03eb0476b71aa2efa363e303bb63d5871f6eec2
[INFO] checking cosenmarco/softeelab against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosenmarco%2Fsofteelab" "/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/cosenmarco/softeelab on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cosenmarco/softeelab
[INFO] finished tweaking git repo https://github.com/cosenmarco/softeelab
[INFO] tweaked toml for git repo https://github.com/cosenmarco/softeelab written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cosenmarco/softeelab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87bb52c1abe2f30915a07647aad7adbeb5b0ae68886778c3392d602d4193af2e
[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" "87bb52c1abe2f30915a07647aad7adbeb5b0ae68886778c3392d602d4193af2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87bb52c1abe2f30915a07647aad7adbeb5b0ae68886778c3392d602d4193af2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87bb52c1abe2f30915a07647aad7adbeb5b0ae68886778c3392d602d4193af2e", kill_on_drop: false }`
[INFO] [stdout] 87bb52c1abe2f30915a07647aad7adbeb5b0ae68886778c3392d602d4193af2e
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f268816e5af26cbe96e64f57c7b641510e96916bbd64ac4723186a71adaf2af
[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" "1f268816e5af26cbe96e64f57c7b641510e96916bbd64ac4723186a71adaf2af", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking softeelab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/model/blocks.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/model.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Mutex, Arc};
[INFO] [stdout]   |                 ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     thread::sleep_ms(10000);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/model/blocks.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/model.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Mutex, Arc};
[INFO] [stdout]   |                 ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     thread::sleep_ms(10000);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stop`
[INFO] [stdout]    --> src/model.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let stop = time::precise_time_ns();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_stop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stop`
[INFO] [stdout]    --> src/model.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let stop = time::precise_time_ns();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_stop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/model/core.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             sender.send(event);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/model/core.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             sender.send(event);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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 29.67s
[INFO] running `Command { std: "docker" "inspect" "1f268816e5af26cbe96e64f57c7b641510e96916bbd64ac4723186a71adaf2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f268816e5af26cbe96e64f57c7b641510e96916bbd64ac4723186a71adaf2af", kill_on_drop: false }`
[INFO] [stdout] 1f268816e5af26cbe96e64f57c7b641510e96916bbd64ac4723186a71adaf2af