[INFO] cloning repository https://github.com/driemworks/desiderata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/driemworks/desiderata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdriemworks%2Fdesiderata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdriemworks%2Fdesiderata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 640bd33435cb7063472a7e3acea238e6e963d517
[INFO] checking driemworks/desiderata against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdriemworks%2Fdesiderata" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/driemworks/desiderata on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/driemworks/desiderata
[INFO] finished tweaking git repo https://github.com/driemworks/desiderata
[INFO] tweaked toml for git repo https://github.com/driemworks/desiderata written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/driemworks/desiderata 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4c10c2fe121fbe3a2184e381beac14d8e8a41e7c418ab44828997ccd04429fc
[INFO] running `Command { std: "docker" "start" "-a" "a4c10c2fe121fbe3a2184e381beac14d8e8a41e7c418ab44828997ccd04429fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4c10c2fe121fbe3a2184e381beac14d8e8a41e7c418ab44828997ccd04429fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c10c2fe121fbe3a2184e381beac14d8e8a41e7c418ab44828997ccd04429fc", kill_on_drop: false }`
[INFO] [stdout] a4c10c2fe121fbe3a2184e381beac14d8e8a41e7c418ab44828997ccd04429fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 249c4bd2f8931121cc814d291aa8619d0d500ff9d77b5dfb8c154f7094536966
[INFO] running `Command { std: "docker" "start" "-a" "249c4bd2f8931121cc814d291aa8619d0d500ff9d77b5dfb8c154f7094536966", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking desiderata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Agent`, `SimpleAgent`
[INFO] [stdout]  --> src/agent.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::agent::{Agent, SimpleAgent};
[INFO] [stdout]   |                       ^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SimpleSociety`, `Society`
[INFO] [stdout]  --> src/society.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::society::{Society, SimpleSociety};
[INFO] [stdout]   |                         ^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Agent`, `SimpleAgent`
[INFO] [stdout]  --> src/agent.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::agent::{Agent, SimpleAgent};
[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/society/society.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SimpleSociety`, `Society`
[INFO] [stdout]  --> src/society.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::society::{Society, SimpleSociety};
[INFO] [stdout]   |                         ^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/society/society.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/agent/agent.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn credence(p: u32, t: u64) -> u64 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/agent/agent.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn credence(p: u32, t: u64) -> u64 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Agent` is never used
[INFO] [stdout]  --> src/agent/agent.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Agent {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/agent/agent.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct SimpleAgent {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 28 |     pub id: i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/agent/agent.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn credence(p: u32, t: u64) -> u64 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/agent/agent.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn credence(p: u32, t: u64) -> u64 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Society` is never used
[INFO] [stdout]   --> src/society/society.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait Society<A> {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `network` is never read
[INFO] [stdout]   --> src/society/society.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct SimpleSociety<A> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 24 |     pub network: Graph<A, ()>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Agent` is never used
[INFO] [stdout]  --> src/agent/agent.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Agent {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/agent/agent.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct SimpleAgent {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 28 |     pub id: i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Society` is never used
[INFO] [stdout]   --> src/society/society.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait Society<A> {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `network` is never read
[INFO] [stdout]   --> src/society/society.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct SimpleSociety<A> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 24 |     pub network: Graph<A, ()>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Config`, `Dot`
[INFO] [stdout]  --> src/main.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use petgraph::dot::{Dot, Config};
[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:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/society/society.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Agent`
[INFO] [stdout]   --> src/main.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::agent::{Agent, SimpleAgent};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Config`, `Dot`
[INFO] [stdout]  --> src/main.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use petgraph::dot::{Dot, Config};
[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:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/society/society.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/agent/agent.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn credence(p: u32, t: u64) -> u64 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/agent/agent.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn credence(p: u32, t: u64) -> u64 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `network` is never read
[INFO] [stdout]   --> src/society/society.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct SimpleSociety<A> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 24 |     pub network: Graph<A, ()>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Agent` is never used
[INFO] [stdout]  --> src/agent/agent.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Agent {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/agent/agent.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct SimpleAgent {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 28 |     pub id: i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Agent`
[INFO] [stdout]   --> src/main.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::agent::{Agent, SimpleAgent};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/agent/agent.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn credence(p: u32, t: u64) -> u64 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/agent/agent.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn credence(p: u32, t: u64) -> u64 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `network` is never read
[INFO] [stdout]   --> src/society/society.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct SimpleSociety<A> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 24 |     pub network: Graph<A, ()>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Agent` is never used
[INFO] [stdout]  --> src/agent/agent.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Agent {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/agent/agent.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct SimpleAgent {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 28 |     pub id: i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "249c4bd2f8931121cc814d291aa8619d0d500ff9d77b5dfb8c154f7094536966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249c4bd2f8931121cc814d291aa8619d0d500ff9d77b5dfb8c154f7094536966", kill_on_drop: false }`
[INFO] [stdout] 249c4bd2f8931121cc814d291aa8619d0d500ff9d77b5dfb8c154f7094536966