[INFO] cloning repository https://github.com/famibo/rust-cargo-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/famibo/rust-cargo-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffamibo%2Frust-cargo-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffamibo%2Frust-cargo-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5e660467f7ae741b27982653bfbd0810ab3eb6e
[INFO] checking famibo/rust-cargo-test against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffamibo%2Frust-cargo-test" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/famibo/rust-cargo-test on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/famibo/rust-cargo-test
[INFO] finished tweaking git repo https://github.com/famibo/rust-cargo-test
[INFO] tweaked toml for git repo https://github.com/famibo/rust-cargo-test written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/famibo/rust-cargo-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking famibo/rust-cargo-test against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffamibo%2Frust-cargo-test" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/famibo/rust-cargo-test on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/famibo/rust-cargo-test
[INFO] finished tweaking git repo https://github.com/famibo/rust-cargo-test
[INFO] tweaked toml for git repo https://github.com/famibo/rust-cargo-test written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/famibo/rust-cargo-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c43da7517830bd654e9d5b0727bee806a525c245ba9bf93c8a47b6d638ede4c3
[INFO] running `Command { std: "docker" "start" "-a" "c43da7517830bd654e9d5b0727bee806a525c245ba9bf93c8a47b6d638ede4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c43da7517830bd654e9d5b0727bee806a525c245ba9bf93c8a47b6d638ede4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c43da7517830bd654e9d5b0727bee806a525c245ba9bf93c8a47b6d638ede4c3", kill_on_drop: false }`
[INFO] [stdout] c43da7517830bd654e9d5b0727bee806a525c245ba9bf93c8a47b6d638ede4c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45be3850f964aa3274626f1f1de56cc3d919eeebcfa12bc2a2d5bd8680854bd1
[INFO] running `Command { std: "docker" "start" "-a" "45be3850f964aa3274626f1f1de56cc3d919eeebcfa12bc2a2d5bd8680854bd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `add_functions::add_five` and `substract_functions::substract_five`
[INFO] [stdout]  --> src/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::math_tools::{add_functions::add_five, substract_functions::substract_five};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `add_functions::add_five` and `substract_functions::substract_five`
[INFO] [stdout]  --> src/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::math_tools::{add_functions::add_five, substract_functions::substract_five};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let f = &s;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `s` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let t: &mut String = &mut s;
[INFO] [stdout]    |                          ------ mutable borrow occurs here
[INFO] [stdout] 24 |     let f = &s;
[INFO] [stdout]    |             ^^ immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 27 |     println!("{}", t);
[INFO] [stdout]    |                    - mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let f = &s;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `s` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let t: &mut String = &mut s;
[INFO] [stdout]    |                          ------ mutable borrow occurs here
[INFO] [stdout] 24 |     let f = &s;
[INFO] [stdout]    |             ^^ immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 27 |     println!("{}", t);
[INFO] [stdout]    |                    - mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playground` (bin "playground") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `playground` (bin "playground" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "45be3850f964aa3274626f1f1de56cc3d919eeebcfa12bc2a2d5bd8680854bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45be3850f964aa3274626f1f1de56cc3d919eeebcfa12bc2a2d5bd8680854bd1", kill_on_drop: false }`
[INFO] [stdout] 45be3850f964aa3274626f1f1de56cc3d919eeebcfa12bc2a2d5bd8680854bd1