[INFO] cloning repository https://github.com/jkelleyrtp/jsonperftest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkelleyrtp/jsonperftest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkelleyrtp%2Fjsonperftest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkelleyrtp%2Fjsonperftest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 407d13fc7ed7e7921853b7d74ad942e49763c847
[INFO] checking jkelleyrtp/jsonperftest against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkelleyrtp%2Fjsonperftest" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkelleyrtp/jsonperftest on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jkelleyrtp/jsonperftest
[INFO] finished tweaking git repo https://github.com/jkelleyrtp/jsonperftest
[INFO] tweaked toml for git repo https://github.com/jkelleyrtp/jsonperftest written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jkelleyrtp/jsonperftest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timeit v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 519c8f15a4738d1fe09e0741aa9191ac8dc2a2e7f041ab868329e6d3b01aaec6
[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" "519c8f15a4738d1fe09e0741aa9191ac8dc2a2e7f041ab868329e6d3b01aaec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "519c8f15a4738d1fe09e0741aa9191ac8dc2a2e7f041ab868329e6d3b01aaec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519c8f15a4738d1fe09e0741aa9191ac8dc2a2e7f041ab868329e6d3b01aaec6", kill_on_drop: false }`
[INFO] [stdout] 519c8f15a4738d1fe09e0741aa9191ac8dc2a2e7f041ab868329e6d3b01aaec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 999a5f9fc89bd32bb3bc982aebfccdeb5836bf8ef7a33d4350ddb6ff216e190d
[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" "999a5f9fc89bd32bb3bc982aebfccdeb5836bf8ef7a33d4350ddb6ff216e190d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]     Checking ryu v1.0.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking timeit v0.1.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking jsonperftest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/rusty.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |         match (self) {
[INFO] [stdout]    |               ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/serdey.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/rusty.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |         match (self) {
[INFO] [stdout]    |               ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/serdey.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `AgentFromParticle` should have a snake case name
[INFO] [stdout]   --> src/rusty.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn AgentFromParticle(self) -> ParticleState {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `agent_from_particle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `AgentFromParticle` should have a snake case name
[INFO] [stdout]   --> src/rusty.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn AgentFromParticle(self) -> ParticleState {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `agent_from_particle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.75s
[INFO] running `Command { std: "docker" "inspect" "999a5f9fc89bd32bb3bc982aebfccdeb5836bf8ef7a33d4350ddb6ff216e190d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999a5f9fc89bd32bb3bc982aebfccdeb5836bf8ef7a33d4350ddb6ff216e190d", kill_on_drop: false }`
[INFO] [stdout] 999a5f9fc89bd32bb3bc982aebfccdeb5836bf8ef7a33d4350ddb6ff216e190d