[INFO] cloning repository https://github.com/KyleUltimate/rust_calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KyleUltimate/rust_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyleUltimate%2Frust_calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyleUltimate%2Frust_calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b90568e97edc26fd92dc207ee1293194a65d4da6
[INFO] checking KyleUltimate/rust_calculator against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyleUltimate%2Frust_calculator" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KyleUltimate/rust_calculator on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KyleUltimate/rust_calculator
[INFO] finished tweaking git repo https://github.com/KyleUltimate/rust_calculator
[INFO] tweaked toml for git repo https://github.com/KyleUltimate/rust_calculator written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KyleUltimate/rust_calculator 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded statrs v0.15.0
[INFO] [stderr]   Downloaded simba v0.5.1
[INFO] [stderr]   Downloaded nalgebra v0.27.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4eb442cda470c54036ddb91f8e85ae3a3c4df89e3b56064e4d9efe8cc225d8be
[INFO] running `Command { std: "docker" "start" "-a" "4eb442cda470c54036ddb91f8e85ae3a3c4df89e3b56064e4d9efe8cc225d8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eb442cda470c54036ddb91f8e85ae3a3c4df89e3b56064e4d9efe8cc225d8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb442cda470c54036ddb91f8e85ae3a3c4df89e3b56064e4d9efe8cc225d8be", kill_on_drop: false }`
[INFO] [stdout] 4eb442cda470c54036ddb91f8e85ae3a3c4df89e3b56064e4d9efe8cc225d8be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c74a8e0b07a34dc0b8db54ab1631147f2c6a8bbebb9730d08de320f78c0fd011
[INFO] running `Command { std: "docker" "start" "-a" "c74a8e0b07a34dc0b8db54ab1631147f2c6a8bbebb9730d08de320f78c0fd011", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking nalgebra v0.27.1
[INFO] [stderr]     Checking statrs v0.15.0
[INFO] [stderr]     Checking rust_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "c74a8e0b07a34dc0b8db54ab1631147f2c6a8bbebb9730d08de320f78c0fd011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74a8e0b07a34dc0b8db54ab1631147f2c6a8bbebb9730d08de320f78c0fd011", kill_on_drop: false }`
[INFO] [stdout] c74a8e0b07a34dc0b8db54ab1631147f2c6a8bbebb9730d08de320f78c0fd011
[INFO] checking KyleUltimate/rust_calculator against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyleUltimate%2Frust_calculator" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KyleUltimate/rust_calculator on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KyleUltimate/rust_calculator
[INFO] finished tweaking git repo https://github.com/KyleUltimate/rust_calculator
[INFO] tweaked toml for git repo https://github.com/KyleUltimate/rust_calculator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/KyleUltimate/rust_calculator 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d984f7100f14b8c9f239ce8b2932d530cf538a78e6f3aef01e6dfb62861902a
[INFO] running `Command { std: "docker" "start" "-a" "1d984f7100f14b8c9f239ce8b2932d530cf538a78e6f3aef01e6dfb62861902a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d984f7100f14b8c9f239ce8b2932d530cf538a78e6f3aef01e6dfb62861902a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d984f7100f14b8c9f239ce8b2932d530cf538a78e6f3aef01e6dfb62861902a", kill_on_drop: false }`
[INFO] [stdout] 1d984f7100f14b8c9f239ce8b2932d530cf538a78e6f3aef01e6dfb62861902a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6566b08ac0e13c2ad87130afe26e7374889c85cbd76202ddeae0e42cb1b531d
[INFO] running `Command { std: "docker" "start" "-a" "b6566b08ac0e13c2ad87130afe26e7374889c85cbd76202ddeae0e42cb1b531d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking nalgebra v0.27.1
[INFO] [stderr]     Checking statrs v0.15.0
[INFO] [stderr]     Checking rust_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.91s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b6566b08ac0e13c2ad87130afe26e7374889c85cbd76202ddeae0e42cb1b531d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6566b08ac0e13c2ad87130afe26e7374889c85cbd76202ddeae0e42cb1b531d", kill_on_drop: false }`
[INFO] [stdout] b6566b08ac0e13c2ad87130afe26e7374889c85cbd76202ddeae0e42cb1b531d