[INFO] updating cached repository https://github.com/JacobSinclair/tachyon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cebf7fa82e57351ff8c8b07c740b0fb1ea37d71
[INFO] testing JacobSinclair/tachyon against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacobSinclair%2Ftachyon" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JacobSinclair/tachyon on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JacobSinclair/tachyon
[INFO] finished tweaking git repo https://github.com/JacobSinclair/tachyon
[INFO] tweaked toml for git repo https://github.com/JacobSinclair/tachyon written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JacobSinclair/tachyon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69d877a9e0b1ad7288eef443176f8ec68ec7b61ce7d17c98db2063055ff66ed3
[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" "69d877a9e0b1ad7288eef443176f8ec68ec7b61ce7d17c98db2063055ff66ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69d877a9e0b1ad7288eef443176f8ec68ec7b61ce7d17c98db2063055ff66ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69d877a9e0b1ad7288eef443176f8ec68ec7b61ce7d17c98db2063055ff66ed3", kill_on_drop: false }`
[INFO] [stdout] 69d877a9e0b1ad7288eef443176f8ec68ec7b61ce7d17c98db2063055ff66ed3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 510b20b5018c00ed64ada0192dd28c037fec0be7d5e50892873cf12c3a2d1ff9
[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" "510b20b5018c00ed64ada0192dd28c037fec0be7d5e50892873cf12c3a2d1ff9", 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] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling cranelift-entity v0.59.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.59.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling pom v3.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.59.0
[INFO] [stderr]    Compiling cranelift-bforest v0.59.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling gimli v0.20.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.11
[INFO] [stderr]    Compiling cranelift-codegen v0.59.0
[INFO] [stderr]    Compiling cranelift-frontend v0.59.0
[INFO] [stderr]    Compiling tachyon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/run.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]   --> src/main.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::{Cow, Borrow};
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/run.rs:233:3
[INFO] [stdout]     |
[INFO] [stdout] 233 |         _ => Ok(Value::None)
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/run.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 |             other => Ok(env.get(
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut env = HashMap::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/doc.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Point(pub f64);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `title`
[INFO] [stdout]  --> src/doc.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     title: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `authors`
[INFO] [stdout]  --> src/doc.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     authors: Option<Vec<String>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `published`
[INFO] [stdout]  --> src/doc.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     published: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `institution`
[INFO] [stdout]  --> src/doc.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     institution: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `code`
[INFO] [stdout]  --> src/doc.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     code: String
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/doc.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn text(&mut self, text: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `point_size`
[INFO] [stdout]   --> src/doc.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn point_size(&mut self, size: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.92s
[INFO] running `Command { std: "docker" "inspect" "510b20b5018c00ed64ada0192dd28c037fec0be7d5e50892873cf12c3a2d1ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510b20b5018c00ed64ada0192dd28c037fec0be7d5e50892873cf12c3a2d1ff9", kill_on_drop: false }`
[INFO] [stdout] 510b20b5018c00ed64ada0192dd28c037fec0be7d5e50892873cf12c3a2d1ff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c993b79485a9ca2af48dfa290022ff34100199312dc69067866749199bd24ea1
[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" "c993b79485a9ca2af48dfa290022ff34100199312dc69067866749199bd24ea1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tachyon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/run.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]   --> src/main.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::{Cow, Borrow};
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/run.rs:233:3
[INFO] [stdout]     |
[INFO] [stdout] 233 |         _ => Ok(Value::None)
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/run.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 |             other => Ok(env.get(
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut env = HashMap::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/doc.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Point(pub f64);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `title`
[INFO] [stdout]  --> src/doc.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     title: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `authors`
[INFO] [stdout]  --> src/doc.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     authors: Option<Vec<String>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `published`
[INFO] [stdout]  --> src/doc.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     published: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `institution`
[INFO] [stdout]  --> src/doc.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     institution: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `code`
[INFO] [stdout]  --> src/doc.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     code: String
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/doc.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn text(&mut self, text: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `point_size`
[INFO] [stdout]   --> src/doc.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn point_size(&mut self, size: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "c993b79485a9ca2af48dfa290022ff34100199312dc69067866749199bd24ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c993b79485a9ca2af48dfa290022ff34100199312dc69067866749199bd24ea1", kill_on_drop: false }`
[INFO] [stdout] c993b79485a9ca2af48dfa290022ff34100199312dc69067866749199bd24ea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a92f57b551eef06ebbc5ad61b48427fd481e8a235bfe0cfdcd1e2d9fcbbbd593
[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" "a92f57b551eef06ebbc5ad61b48427fd481e8a235bfe0cfdcd1e2d9fcbbbd593", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]  --> src/run.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::any::Any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Borrow`
[INFO] [stderr]   --> src/main.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::borrow::{Cow, Borrow};
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/run.rs:233:3
[INFO] [stderr]     |
[INFO] [stderr] 233 |         _ => Ok(Value::None)
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/run.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 |             other => Ok(env.get(
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut env = HashMap::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Point`
[INFO] [stderr]  --> src/doc.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Point(pub f64);
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `title`
[INFO] [stderr]  --> src/doc.rs:4:2
[INFO] [stderr]   |
[INFO] [stderr] 4 |     title: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `authors`
[INFO] [stderr]  --> src/doc.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     authors: Option<Vec<String>>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `published`
[INFO] [stderr]  --> src/doc.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     published: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `institution`
[INFO] [stderr]  --> src/doc.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     institution: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `code`
[INFO] [stderr]  --> src/doc.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     code: String
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `text`
[INFO] [stderr]   --> src/doc.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn text(&mut self, text: &str) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `point_size`
[INFO] [stderr]   --> src/doc.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn point_size(&mut self, size: u8) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tachyon-d7a0505164e4aaa0
[INFO] running `Command { std: "docker" "inspect" "a92f57b551eef06ebbc5ad61b48427fd481e8a235bfe0cfdcd1e2d9fcbbbd593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92f57b551eef06ebbc5ad61b48427fd481e8a235bfe0cfdcd1e2d9fcbbbd593", kill_on_drop: false }`
[INFO] [stdout] a92f57b551eef06ebbc5ad61b48427fd481e8a235bfe0cfdcd1e2d9fcbbbd593