[INFO] cloning repository https://github.com/willbeason/diffeq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willbeason/diffeq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillbeason%2Fdiffeq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillbeason%2Fdiffeq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad709ab1f26862124d7698e85ed550e0b1a22faa
[INFO] testing willbeason/diffeq against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillbeason%2Fdiffeq" "/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/willbeason/diffeq on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/willbeason/diffeq
[INFO] finished tweaking git repo https://github.com/willbeason/diffeq
[INFO] tweaked toml for git repo https://github.com/willbeason/diffeq written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/willbeason/diffeq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e4aed9a059b650ed66636ff4ed5c24057f18f4b95b813b07eba4864cccb6a8c
[INFO] running `Command { std: "docker" "start" "-a" "3e4aed9a059b650ed66636ff4ed5c24057f18f4b95b813b07eba4864cccb6a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e4aed9a059b650ed66636ff4ed5c24057f18f4b95b813b07eba4864cccb6a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4aed9a059b650ed66636ff4ed5c24057f18f4b95b813b07eba4864cccb6a8c", kill_on_drop: false }`
[INFO] [stdout] 3e4aed9a059b650ed66636ff4ed5c24057f18f4b95b813b07eba4864cccb6a8c
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa6eee6d785762e6528397793eb2343af86b78dcc3b66e563148668b8917c3e0
[INFO] running `Command { std: "docker" "start" "-a" "aa6eee6d785762e6528397793eb2343af86b78dcc3b66e563148668b8917c3e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling diffeq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `eq`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let eq = equations::O1 {
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_eq`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `euler`
[INFO] [stdout]  --> src/equations.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn euler(self, p: (f64, f64), h: f64) -> f64 {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rk4`
[INFO] [stdout]   --> src/equations.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn rk4(self, p: (f64, f64), h: f64) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `O3`
[INFO] [stdout]   --> src/equations.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct O3 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `euler`
[INFO] [stdout]   --> src/equations.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn euler(self, p: (f64, f64, f64, f64), h: f64) -> (f64, f64, f64) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa6eee6d785762e6528397793eb2343af86b78dcc3b66e563148668b8917c3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6eee6d785762e6528397793eb2343af86b78dcc3b66e563148668b8917c3e0", kill_on_drop: false }`
[INFO] [stdout] aa6eee6d785762e6528397793eb2343af86b78dcc3b66e563148668b8917c3e0
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 170459aec78d0a8dfe5842410aefa0cbdb46c31dc175b2a1b061164e3aba6e26
[INFO] running `Command { std: "docker" "start" "-a" "170459aec78d0a8dfe5842410aefa0cbdb46c31dc175b2a1b061164e3aba6e26", kill_on_drop: false }`
[INFO] [stderr]    Compiling diffeq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `eq`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let eq = equations::O1 {
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_eq`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `euler`
[INFO] [stdout]  --> src/equations.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn euler(self, p: (f64, f64), h: f64) -> f64 {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rk4`
[INFO] [stdout]   --> src/equations.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn rk4(self, p: (f64, f64), h: f64) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `O3`
[INFO] [stdout]   --> src/equations.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct O3 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `euler`
[INFO] [stdout]   --> src/equations.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn euler(self, p: (f64, f64, f64, f64), h: f64) -> (f64, f64, f64) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "170459aec78d0a8dfe5842410aefa0cbdb46c31dc175b2a1b061164e3aba6e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170459aec78d0a8dfe5842410aefa0cbdb46c31dc175b2a1b061164e3aba6e26", kill_on_drop: false }`
[INFO] [stdout] 170459aec78d0a8dfe5842410aefa0cbdb46c31dc175b2a1b061164e3aba6e26
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32f69df285898b0c0a942f161b32ac2bb84d61e16807a13302c0aa0f490afa42
[INFO] running `Command { std: "docker" "start" "-a" "32f69df285898b0c0a942f161b32ac2bb84d61e16807a13302c0aa0f490afa42", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `eq`
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let eq = equations::O1 {
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_eq`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `euler`
[INFO] [stderr]  --> src/equations.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn euler(self, p: (f64, f64), h: f64) -> f64 {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rk4`
[INFO] [stderr]   --> src/equations.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn rk4(self, p: (f64, f64), h: f64) -> f64 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `O3`
[INFO] [stderr]   --> src/equations.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct O3 {
[INFO] [stderr]    |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `euler`
[INFO] [stderr]   --> src/equations.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn euler(self, p: (f64, f64, f64, f64), h: f64) -> (f64, f64, f64) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/diffeq-10ae3350bec19ba6)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32f69df285898b0c0a942f161b32ac2bb84d61e16807a13302c0aa0f490afa42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f69df285898b0c0a942f161b32ac2bb84d61e16807a13302c0aa0f490afa42", kill_on_drop: false }`
[INFO] [stdout] 32f69df285898b0c0a942f161b32ac2bb84d61e16807a13302c0aa0f490afa42