[INFO] updating cached repository https://github.com/Noxbru/Simplex-rs
[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] 9dc80bce384a2d5924c3811decd264653489b3e4
[INFO] checking Noxbru/Simplex-rs against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoxbru%2FSimplex-rs" "/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/Noxbru/Simplex-rs on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Noxbru/Simplex-rs
[INFO] finished tweaking git repo https://github.com/Noxbru/Simplex-rs
[INFO] tweaked toml for git repo https://github.com/Noxbru/Simplex-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Noxbru/Simplex-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e90072e72a4203b637b5f95be2c100eaf5bfcecf4b83c7c23195edb261c385d
[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" "8e90072e72a4203b637b5f95be2c100eaf5bfcecf4b83c7c23195edb261c385d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e90072e72a4203b637b5f95be2c100eaf5bfcecf4b83c7c23195edb261c385d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e90072e72a4203b637b5f95be2c100eaf5bfcecf4b83c7c23195edb261c385d", kill_on_drop: false }`
[INFO] [stdout] 8e90072e72a4203b637b5f95be2c100eaf5bfcecf4b83c7c23195edb261c385d
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a20ba67bd95abe481922c2f36fbb76a6fbc746e03c850788060fb0c2f6cdc12f
[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" "a20ba67bd95abe481922c2f36fbb76a6fbc746e03c850788060fb0c2f6cdc12f", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.13
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling derive_more v0.5.0
[INFO] [stderr]     Checking simplex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/simplex.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         try!(write!(f, "({:9.3e}, {:9.3e}) -> {:9.3e}\n", p0.x, p0.y, vals[0]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/simplex.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(write!(f, "({:9.3e}, {:9.3e}) -> {:9.3e}\n", p1.x, p1.y, vals[1]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/simplex.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         try!(write!(f, "({:9.3e}, {:9.3e}) -> {:9.3e}\n", p0.x, p0.y, vals[0]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/simplex.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(write!(f, "({:9.3e}, {:9.3e}) -> {:9.3e}\n", p1.x, p1.y, vals[1]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.78s
[INFO] running `Command { std: "docker" "inspect" "a20ba67bd95abe481922c2f36fbb76a6fbc746e03c850788060fb0c2f6cdc12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20ba67bd95abe481922c2f36fbb76a6fbc746e03c850788060fb0c2f6cdc12f", kill_on_drop: false }`
[INFO] [stdout] a20ba67bd95abe481922c2f36fbb76a6fbc746e03c850788060fb0c2f6cdc12f