[INFO] cloning repository https://github.com/nanlei2000/rusty_ffi.dart
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nanlei2000/rusty_ffi.dart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanlei2000%2Frusty_ffi.dart", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanlei2000%2Frusty_ffi.dart'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fef114dda747de5b063e6c1b908e6cfe38ff38ec
[INFO] checking nanlei2000/rusty_ffi.dart against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanlei2000%2Frusty_ffi.dart" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nanlei2000/rusty_ffi.dart 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/nanlei2000/rusty_ffi.dart
[INFO] finished tweaking git repo https://github.com/nanlei2000/rusty_ffi.dart
[INFO] tweaked toml for git repo https://github.com/nanlei2000/rusty_ffi.dart written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nanlei2000/rusty_ffi.dart 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 ucd-util v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2124a59c63c9c44f920ded6ccb296873c2064b0a504ebf11dedaf4eda1ca222e
[INFO] running `Command { std: "docker" "start" "-a" "2124a59c63c9c44f920ded6ccb296873c2064b0a504ebf11dedaf4eda1ca222e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2124a59c63c9c44f920ded6ccb296873c2064b0a504ebf11dedaf4eda1ca222e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2124a59c63c9c44f920ded6ccb296873c2064b0a504ebf11dedaf4eda1ca222e", kill_on_drop: false }`
[INFO] [stdout] 2124a59c63c9c44f920ded6ccb296873c2064b0a504ebf11dedaf4eda1ca222e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 001b9a5d824e1c09d4add6a9fae7cf9d56e931d5bb97519889fbfbbfccb4c845
[INFO] running `Command { std: "docker" "start" "-a" "001b9a5d824e1c09d4add6a9fae7cf9d56e931d5bb97519889fbfbbfccb4c845", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking rodio v0.9.0
[INFO] [stderr]     Checking rusty_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.92s
[INFO] running `Command { std: "docker" "inspect" "001b9a5d824e1c09d4add6a9fae7cf9d56e931d5bb97519889fbfbbfccb4c845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001b9a5d824e1c09d4add6a9fae7cf9d56e931d5bb97519889fbfbbfccb4c845", kill_on_drop: false }`
[INFO] [stdout] 001b9a5d824e1c09d4add6a9fae7cf9d56e931d5bb97519889fbfbbfccb4c845
[INFO] checking nanlei2000/rusty_ffi.dart against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanlei2000%2Frusty_ffi.dart" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nanlei2000/rusty_ffi.dart 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/nanlei2000/rusty_ffi.dart
[INFO] finished tweaking git repo https://github.com/nanlei2000/rusty_ffi.dart
[INFO] tweaked toml for git repo https://github.com/nanlei2000/rusty_ffi.dart written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nanlei2000/rusty_ffi.dart 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c23b0c1527b40b3beef5f434ef033adbd65fe86e0083c13b2df92a188284025e
[INFO] running `Command { std: "docker" "start" "-a" "c23b0c1527b40b3beef5f434ef033adbd65fe86e0083c13b2df92a188284025e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c23b0c1527b40b3beef5f434ef033adbd65fe86e0083c13b2df92a188284025e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23b0c1527b40b3beef5f434ef033adbd65fe86e0083c13b2df92a188284025e", kill_on_drop: false }`
[INFO] [stdout] c23b0c1527b40b3beef5f434ef033adbd65fe86e0083c13b2df92a188284025e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] efd94beb85e031bd2ef321fc48fe70ad1fbd25805ee7fdd5934aa9aab5c2c073
[INFO] running `Command { std: "docker" "start" "-a" "efd94beb85e031bd2ef321fc48fe70ad1fbd25805ee7fdd5934aa9aab5c2c073", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking rodio v0.9.0
[INFO] [stderr]     Checking rusty_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.99s
[INFO] running `Command { std: "docker" "inspect" "efd94beb85e031bd2ef321fc48fe70ad1fbd25805ee7fdd5934aa9aab5c2c073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd94beb85e031bd2ef321fc48fe70ad1fbd25805ee7fdd5934aa9aab5c2c073", kill_on_drop: false }`
[INFO] [stdout] efd94beb85e031bd2ef321fc48fe70ad1fbd25805ee7fdd5934aa9aab5c2c073