[INFO] fetching crate gym-rs 0.3.0...
[INFO] checking gym-rs-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate gym-rs 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate gym-rs 0.3.0 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 crates.io crate gym-rs 0.3.0
[INFO] finished tweaking crates.io crate gym-rs 0.3.0
[INFO] tweaked toml for crates.io crate gym-rs 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate gym-rs 0.3.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.1.1
[INFO] [stderr]   Downloaded ordered-float v3.9.1
[INFO] [stderr]   Downloaded c_vec v2.0.0
[INFO] [stderr]   Downloaded nalgebra-macros v0.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.185
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded simba v0.5.1
[INFO] [stderr]   Downloaded cosyne v0.3.4
[INFO] [stderr]   Downloaded aho-corasick v1.0.4
[INFO] [stderr]   Downloaded object v0.32.0
[INFO] [stderr]   Downloaded nalgebra v0.28.0
[INFO] [stderr]   Downloaded nalgebra v0.32.3
[INFO] [stderr]   Downloaded wide v0.7.11
[INFO] [stderr]   Downloaded sdl2 v0.35.2
[INFO] [stderr]   Downloaded matrixmultiply v0.3.7
[INFO] [stderr]   Downloaded num-complex v0.4.4
[INFO] [stderr]   Downloaded serde v1.0.185
[INFO] [stderr]   Downloaded sdl2-sys v0.35.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d484a1b9ba44cccd0a8b77b4e48a482ebb4d3d81b6a40e5b6fe0f2a8f5ffe0da
[INFO] running `Command { std: "docker" "start" "-a" "d484a1b9ba44cccd0a8b77b4e48a482ebb4d3d81b6a40e5b6fe0f2a8f5ffe0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d484a1b9ba44cccd0a8b77b4e48a482ebb4d3d81b6a40e5b6fe0f2a8f5ffe0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d484a1b9ba44cccd0a8b77b4e48a482ebb4d3d81b6a40e5b6fe0f2a8f5ffe0da", kill_on_drop: false }`
[INFO] [stdout] d484a1b9ba44cccd0a8b77b4e48a482ebb4d3d81b6a40e5b6fe0f2a8f5ffe0da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9b1f2af1d3a03614032a06798edd20d6ada74b9722ef2df41a91041e5eb75e65
[INFO] running `Command { std: "docker" "start" "-a" "9b1f2af1d3a03614032a06798edd20d6ada74b9722ef2df41a91041e5eb75e65", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.185
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking wide v0.7.11
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.185
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ordered-float v3.9.1
[INFO] [stderr]     Checking gym-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 44s
[INFO] running `Command { std: "docker" "inspect" "9b1f2af1d3a03614032a06798edd20d6ada74b9722ef2df41a91041e5eb75e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1f2af1d3a03614032a06798edd20d6ada74b9722ef2df41a91041e5eb75e65", kill_on_drop: false }`
[INFO] [stdout] 9b1f2af1d3a03614032a06798edd20d6ada74b9722ef2df41a91041e5eb75e65
[INFO] checking gym-rs-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate gym-rs 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate gym-rs 0.3.0 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 crates.io crate gym-rs 0.3.0
[INFO] finished tweaking crates.io crate gym-rs 0.3.0
[INFO] tweaked toml for crates.io crate gym-rs 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate gym-rs 0.3.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ed969f8a471b72fcc755c90d122cdb6f491e7384d44200c5f6cbcebc4f44c6e7
[INFO] running `Command { std: "docker" "start" "-a" "ed969f8a471b72fcc755c90d122cdb6f491e7384d44200c5f6cbcebc4f44c6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed969f8a471b72fcc755c90d122cdb6f491e7384d44200c5f6cbcebc4f44c6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed969f8a471b72fcc755c90d122cdb6f491e7384d44200c5f6cbcebc4f44c6e7", kill_on_drop: false }`
[INFO] [stdout] ed969f8a471b72fcc755c90d122cdb6f491e7384d44200c5f6cbcebc4f44c6e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 50bc36f4be43e6aec3e870270d535275e2756ddc45abc369c1795b5eaca15bde
[INFO] running `Command { std: "docker" "start" "-a" "50bc36f4be43e6aec3e870270d535275e2756ddc45abc369c1795b5eaca15bde", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.185
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking wide v0.7.11
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling serde_derive v1.0.185
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ordered-float v3.9.1
[INFO] [stderr]     Checking gym-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 47s
[INFO] running `Command { std: "docker" "inspect" "50bc36f4be43e6aec3e870270d535275e2756ddc45abc369c1795b5eaca15bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50bc36f4be43e6aec3e870270d535275e2756ddc45abc369c1795b5eaca15bde", kill_on_drop: false }`
[INFO] [stdout] 50bc36f4be43e6aec3e870270d535275e2756ddc45abc369c1795b5eaca15bde