[INFO] cloning repository https://github.com/christopherdumas/microeconomics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christopherdumas/microeconomics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherdumas%2Fmicroeconomics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherdumas%2Fmicroeconomics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66660ae85a1e928e4a543ee7e390d98381093eda
[INFO] checking christopherdumas/microeconomics against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherdumas%2Fmicroeconomics" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christopherdumas/microeconomics on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christopherdumas/microeconomics
[INFO] finished tweaking git repo https://github.com/christopherdumas/microeconomics
[INFO] tweaked toml for git repo https://github.com/christopherdumas/microeconomics written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/christopherdumas/microeconomics 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ab4e09fe2b86befaf50e1f0cb5dfe25ebbd7eb8c9cb9d647213347fa4b3686f
[INFO] running `Command { std: "docker" "start" "-a" "4ab4e09fe2b86befaf50e1f0cb5dfe25ebbd7eb8c9cb9d647213347fa4b3686f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ab4e09fe2b86befaf50e1f0cb5dfe25ebbd7eb8c9cb9d647213347fa4b3686f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab4e09fe2b86befaf50e1f0cb5dfe25ebbd7eb8c9cb9d647213347fa4b3686f", kill_on_drop: false }`
[INFO] [stdout] 4ab4e09fe2b86befaf50e1f0cb5dfe25ebbd7eb8c9cb9d647213347fa4b3686f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a05a0c135f35276d3f7651327f785fd3e0b1d25033136256fabc60bd38788c70
[INFO] running `Command { std: "docker" "start" "-a" "a05a0c135f35276d3f7651327f785fd3e0b1d25033136256fabc60bd38788c70", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking mortal v0.2.2
[INFO] [stderr]     Checking linefeed v0.6.0
[INFO] [stderr]     Checking microeconomics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | 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 import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/preference_list.rs:313:37
[INFO] [stdout]     |
[INFO] [stdout] 271 |   ...                   let my_item = self
[INFO] [stdout]     |  _____________________________________-
[INFO] [stdout] 272 | | ...                       .inventory
[INFO] [stdout] 273 | | ...                       .iter()
[INFO] [stdout]     | |_________________________________- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 313 |   ...                           self.add_item(goal_item.1);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 314 |   ...                           self.inventory.remove(possible_item.0);
[INFO] [stdout]     |                                                       --------------- immutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `self.inventory` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/preference_list.rs:314:37
[INFO] [stdout]     |
[INFO] [stdout] 271 |   ...                   let my_item = self
[INFO] [stdout]     |  _____________________________________-
[INFO] [stdout] 272 | | ...                       .inventory
[INFO] [stdout] 273 | | ...                       .iter()
[INFO] [stdout]     | |_________________________________- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 314 |   ...                           self.inventory.remove(possible_item.0);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 315 |   ...                           // remove my item from my inventory, add it to theirs
[INFO] [stdout] 316 |   ...                           other_actor.add_item(*possible_item.1);
[INFO] [stdout]     |                                                      ---------------- immutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/preference_list.rs:313:37
[INFO] [stdout]     |
[INFO] [stdout] 271 |   ...                   let my_item = self
[INFO] [stdout]     |  _____________________________________-
[INFO] [stdout] 272 | | ...                       .inventory
[INFO] [stdout] 273 | | ...                       .iter()
[INFO] [stdout]     | |_________________________________- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 313 |   ...                           self.add_item(goal_item.1);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 314 |   ...                           self.inventory.remove(possible_item.0);
[INFO] [stdout]     |                                                       --------------- immutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `self.inventory` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/preference_list.rs:314:37
[INFO] [stdout]     |
[INFO] [stdout] 271 |   ...                   let my_item = self
[INFO] [stdout]     |  _____________________________________-
[INFO] [stdout] 272 | | ...                       .inventory
[INFO] [stdout] 273 | | ...                       .iter()
[INFO] [stdout]     | |_________________________________- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 314 |   ...                           self.inventory.remove(possible_item.0);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 315 |   ...                           // remove my item from my inventory, add it to theirs
[INFO] [stdout] 316 |   ...                           other_actor.add_item(*possible_item.1);
[INFO] [stdout]     |                                                      ---------------- immutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `microeconomics` (bin "microeconomics" test) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `microeconomics` (bin "microeconomics") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a05a0c135f35276d3f7651327f785fd3e0b1d25033136256fabc60bd38788c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05a0c135f35276d3f7651327f785fd3e0b1d25033136256fabc60bd38788c70", kill_on_drop: false }`
[INFO] [stdout] a05a0c135f35276d3f7651327f785fd3e0b1d25033136256fabc60bd38788c70
