[INFO] cloning repository https://github.com/Mango2468/Reinforcement_Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mango2468/Reinforcement_Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMango2468%2FReinforcement_Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMango2468%2FReinforcement_Learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f5f54ca9c47f68f9d987a231f84a17acf900020
[INFO] checking Mango2468/Reinforcement_Learning against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMango2468%2FReinforcement_Learning" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mango2468/Reinforcement_Learning on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mango2468/Reinforcement_Learning
[INFO] finished tweaking git repo https://github.com/Mango2468/Reinforcement_Learning
[INFO] tweaked toml for git repo https://github.com/Mango2468/Reinforcement_Learning written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Mango2468/Reinforcement_Learning 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "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
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Mango2468/Reinforcement_Learning against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMango2468%2FReinforcement_Learning" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mango2468/Reinforcement_Learning on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mango2468/Reinforcement_Learning
[INFO] finished tweaking git repo https://github.com/Mango2468/Reinforcement_Learning
[INFO] tweaked toml for git repo https://github.com/Mango2468/Reinforcement_Learning written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Mango2468/Reinforcement_Learning 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27447ba3e7cc1b49b40d2e083055fc6f69f77714aec3f5767983a15e1b0ced0b
[INFO] running `Command { std: "docker" "start" "-a" "27447ba3e7cc1b49b40d2e083055fc6f69f77714aec3f5767983a15e1b0ced0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27447ba3e7cc1b49b40d2e083055fc6f69f77714aec3f5767983a15e1b0ced0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27447ba3e7cc1b49b40d2e083055fc6f69f77714aec3f5767983a15e1b0ced0b", kill_on_drop: false }`
[INFO] [stdout] 27447ba3e7cc1b49b40d2e083055fc6f69f77714aec3f5767983a15e1b0ced0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d6c97542f9fe0f42d87a2e0dbe533c3f9c9871ed2ffe1741f16fc01c52df085
[INFO] running `Command { std: "docker" "start" "-a" "9d6c97542f9fe0f42d87a2e0dbe533c3f9c9871ed2ffe1741f16fc01c52df085", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking intg_000_integrated v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/la1_linear_algebra/matrix.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `matrix::*`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub use matrix::*;
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/la1_linear_algebra/vector.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector::*`
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub use vector::*;
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decision_trees::*`
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub use decision_trees::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::E`
[INFO] [stdout]  --> src/rl2_monte_carlo/monte_carlo.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f32::consts::E;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GPI`, `Policy`, `Value`
[INFO] [stdout]  --> src/rl2_monte_carlo/monte_carlo.rs:3:73
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::rl1_finite_markov_decision_process::{ State, Action, Reward, Policy, GPI, Value};
[INFO] [stdout]   |                                                                         ^^^^^^  ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blackjack::*`
[INFO] [stdout]   --> src/main.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub use blackjack::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `right_turn::*`
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub use right_turn::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GPI`, `Value`
[INFO] [stdout]  --> src/rl3_temporal_difference/td_zero.rs:4:81
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::rl1_finite_markov_decision_process::{ State, Action, Reward, Policy, GPI, Value};
[INFO] [stdout]   |                                                                                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Episode`
[INFO] [stdout]  --> src/rl3_temporal_difference/td_zero.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::rl2_monte_carlo::{Trajectory,Episode,random_actor};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/rl3_temporal_difference/td_zero.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `td_zero::*`
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub use td_zero::*;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Action`, `GPI`, `Policy`, `Reward`, `State`, `Value`
[INFO] [stdout]  --> src/rl3_temporal_difference/q_learning.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::rl1_finite_markov_decision_process::{ State, Action, Reward, Policy, GPI, Value};
[INFO] [stdout]   |                                                  ^^^^^  ^^^^^^  ^^^^^^  ^^^^^^  ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Episode`, `Trajectory`, `random_actor`
[INFO] [stdout]  --> src/rl3_temporal_difference/q_learning.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::rl2_monte_carlo::{Trajectory,Episode,random_actor};
[INFO] [stdout]   |                              ^^^^^^^^^^ ^^^^^^^ ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/rl3_temporal_difference/q_learning.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `q_learning::*`
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub use q_learning::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/la1_linear_algebra/matrix.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `matrix::*`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub use matrix::*;
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/la1_linear_algebra/vector.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector::*`
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub use vector::*;
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decision_trees::*`
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub use decision_trees::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::E`
[INFO] [stdout]  --> src/rl2_monte_carlo/monte_carlo.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f32::consts::E;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GPI`, `Policy`, `Value`
[INFO] [stdout]  --> src/rl2_monte_carlo/monte_carlo.rs:3:73
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::rl1_finite_markov_decision_process::{ State, Action, Reward, Policy, GPI, Value};
[INFO] [stdout]   |                                                                         ^^^^^^  ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blackjack::*`
[INFO] [stdout]   --> src/main.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub use blackjack::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `right_turn::*`
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub use right_turn::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GPI`, `Value`
[INFO] [stdout]  --> src/rl3_temporal_difference/td_zero.rs:4:81
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::rl1_finite_markov_decision_process::{ State, Action, Reward, Policy, GPI, Value};
[INFO] [stdout]   |                                                                                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Episode`
[INFO] [stdout]  --> src/rl3_temporal_difference/td_zero.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::rl2_monte_carlo::{Trajectory,Episode,random_actor};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/rl3_temporal_difference/td_zero.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `td_zero::*`
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub use td_zero::*;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Action`, `GPI`, `Policy`, `Reward`, `State`, `Value`
[INFO] [stdout]  --> src/rl3_temporal_difference/q_learning.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::rl1_finite_markov_decision_process::{ State, Action, Reward, Policy, GPI, Value};
[INFO] [stdout]   |                                                  ^^^^^  ^^^^^^  ^^^^^^  ^^^^^^  ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Episode`, `Trajectory`, `random_actor`
[INFO] [stdout]  --> src/rl3_temporal_difference/q_learning.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::rl2_monte_carlo::{Trajectory,Episode,random_actor};
[INFO] [stdout]   |                              ^^^^^^^^^^ ^^^^^^^ ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/rl3_temporal_difference/q_learning.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `q_learning::*`
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub use q_learning::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "9d6c97542f9fe0f42d87a2e0dbe533c3f9c9871ed2ffe1741f16fc01c52df085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6c97542f9fe0f42d87a2e0dbe533c3f9c9871ed2ffe1741f16fc01c52df085", kill_on_drop: false }`
[INFO] [stdout] 9d6c97542f9fe0f42d87a2e0dbe533c3f9c9871ed2ffe1741f16fc01c52df085
