[INFO] cloning repository https://github.com/ylloc/Toy-Exchange
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ylloc/Toy-Exchange" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylloc%2FToy-Exchange", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylloc%2FToy-Exchange'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 244d7c0b0b906f4e793a13c70b1e84404dd7fcbf
[INFO] checking ylloc/Toy-Exchange against try#09ea730c380b8b9acb96ff87b724c45df920f793 for pr-134272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylloc%2FToy-Exchange" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ylloc/Toy-Exchange on toolchain 09ea730c380b8b9acb96ff87b724c45df920f793
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ylloc/Toy-Exchange
[INFO] finished tweaking git repo https://github.com/ylloc/Toy-Exchange
[INFO] tweaked toml for git repo https://github.com/ylloc/Toy-Exchange written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ylloc/Toy-Exchange 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" "+09ea730c380b8b9acb96ff87b724c45df920f793" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c518af2003f360bc396c4102b88f2df863e31f8c69bd41b913208085361783fc
[INFO] running `Command { std: "docker" "start" "-a" "c518af2003f360bc396c4102b88f2df863e31f8c69bd41b913208085361783fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c518af2003f360bc396c4102b88f2df863e31f8c69bd41b913208085361783fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c518af2003f360bc396c4102b88f2df863e31f8c69bd41b913208085361783fc", kill_on_drop: false }`
[INFO] [stdout] c518af2003f360bc396c4102b88f2df863e31f8c69bd41b913208085361783fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5ab8034db533bf9ac25b44cd571d932165f3f0bf7d5d4ec73ac06ba2cecb74d
[INFO] running `Command { std: "docker" "start" "-a" "d5ab8034db533bf9ac25b44cd571d932165f3f0bf7d5d4ec73ac06ba2cecb74d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rb_tree v0.5.0
[INFO] [stderr]     Checking getrandom v0.2.10
[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 rust-exchange v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/engine.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap` and `Bound`
[INFO] [stdout]  --> src/order.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{Bound, BTreeMap};
[INFO] [stdout]   |                        ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/engine.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap` and `Bound`
[INFO] [stdout]  --> src/order.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{Bound, BTreeMap};
[INFO] [stdout]   |                        ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     /// 0.01 < 0.1, so there will be no active orders!
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 37 |     let mut engine = create_engine();
[INFO] [stdout]    |     --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]   --> src/engine.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 |     if cursor.key().is_none() {
[INFO] [stdout]    |               ^^^ method not found in `CursorMut<'_, Order, i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:105:34
[INFO] [stdout]     |
[INFO] [stdout] 105 |       while need > EPS && cursor.key().is_some() {
[INFO] [stdout]     |                                  ^^^ method not found in `CursorMut<'_, Order, i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]   --> src/engine.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 |     if cursor.key().is_none() {
[INFO] [stdout]    |               ^^^ method not found in `CursorMut<'_, Order, i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `value` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:106:28
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let value = cursor.value().unwrap().clone();
[INFO] [stdout]     |                            ^^^^^ method not found in `CursorMut<'_, Order, i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 |         if cursor.key().unwrap().quantity >= need {
[INFO] [stdout]     |                   ^^^ method not found in `CursorMut<'_, Order, i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:105:34
[INFO] [stdout]     |
[INFO] [stdout] 105 |       while need > EPS && cursor.key().is_some() {
[INFO] [stdout]     |                                  ^^^ method not found in `CursorMut<'_, Order, i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_current` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:108:45
[INFO] [stdout]     |
[INFO] [stdout] 108 |           let mut incomplete_order = cursor.remove_current().unwrap().0;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `remove_next` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 108 |           let mut incomplete_order = cursor.remove_next().unwrap().0;
[INFO] [stdout]     |                                             ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `value` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:106:28
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let value = cursor.value().unwrap().clone();
[INFO] [stdout]     |                            ^^^^^ method not found in `CursorMut<'_, Order, i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_current_and_move_back` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:119:42
[INFO] [stdout]     |
[INFO] [stdout] 119 |           let part_filled_order = cursor.remove_current_and_move_back().unwrap().0;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method not found in `CursorMut<'_, Order, i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 |         if cursor.key().unwrap().quantity >= need {
[INFO] [stdout]     |                   ^^^ method not found in `CursorMut<'_, Order, i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `move_next` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |             cursor.move_next();
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `remove_next` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 122 |             cursor.remove_next();
[INFO] [stdout]     |                    ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_current` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:108:45
[INFO] [stdout]     |
[INFO] [stdout] 108 |           let mut incomplete_order = cursor.remove_current().unwrap().0;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `remove_next` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 108 |           let mut incomplete_order = cursor.remove_next().unwrap().0;
[INFO] [stdout]     |                                             ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_current_and_move_back` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:119:42
[INFO] [stdout]     |
[INFO] [stdout] 119 |           let part_filled_order = cursor.remove_current_and_move_back().unwrap().0;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method not found in `CursorMut<'_, Order, i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `move_next` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]    --> src/engine.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |             cursor.move_next();
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `remove_next` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 122 |             cursor.remove_next();
[INFO] [stdout]     |                    ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-exchange` (lib) due to 7 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `key` found for struct `std::collections::btree_map::CursorMut` in the current scope
[INFO] [stdout]   --> src/lib.rs:85:47
[INFO] [stdout]    |
[INFO] [stdout] 85 |       let x = orderbook.lower_bound(j as f64).key().unwrap().clone().hash;
[INFO] [stdout]    |                                               ^^^ method not found in `CursorMut<'_, Order, i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-exchange` (lib test) due to 8 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d5ab8034db533bf9ac25b44cd571d932165f3f0bf7d5d4ec73ac06ba2cecb74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ab8034db533bf9ac25b44cd571d932165f3f0bf7d5d4ec73ac06ba2cecb74d", kill_on_drop: false }`
[INFO] [stdout] d5ab8034db533bf9ac25b44cd571d932165f3f0bf7d5d4ec73ac06ba2cecb74d