[INFO] fetching crate timecode-coder 0.3.0...
[INFO] checking timecode-coder-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate timecode-coder 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate timecode-coder 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 timecode-coder 0.3.0
[INFO] finished tweaking crates.io crate timecode-coder 0.3.0
[INFO] tweaked toml for crates.io crate timecode-coder 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[INFO] [stderr]       Adding riff v1.0.1 (latest: v2.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 wav v1.0.0
[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] c1d9c3b583f08ecf71ccb6ac9e26ecad46f01a6deeaa238b97a37971dbd0b29d
[INFO] running `Command { std: "docker" "start" "-a" "c1d9c3b583f08ecf71ccb6ac9e26ecad46f01a6deeaa238b97a37971dbd0b29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1d9c3b583f08ecf71ccb6ac9e26ecad46f01a6deeaa238b97a37971dbd0b29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d9c3b583f08ecf71ccb6ac9e26ecad46f01a6deeaa238b97a37971dbd0b29d", kill_on_drop: false }`
[INFO] [stdout] c1d9c3b583f08ecf71ccb6ac9e26ecad46f01a6deeaa238b97a37971dbd0b29d
[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] d3a50a0cb7526af65cbabac65d5ce81b551d68a19308a53837e149accf386ff0
[INFO] running `Command { std: "docker" "start" "-a" "d3a50a0cb7526af65cbabac65d5ce81b551d68a19308a53837e149accf386ff0", kill_on_drop: false }`
[INFO] [stderr]     Checking intbits v0.2.0
[INFO] [stderr]     Checking riff v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking wav v1.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking timecode-coder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "d3a50a0cb7526af65cbabac65d5ce81b551d68a19308a53837e149accf386ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a50a0cb7526af65cbabac65d5ce81b551d68a19308a53837e149accf386ff0", kill_on_drop: false }`
[INFO] [stdout] d3a50a0cb7526af65cbabac65d5ce81b551d68a19308a53837e149accf386ff0
[INFO] checking timecode-coder-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate timecode-coder 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate timecode-coder 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 timecode-coder 0.3.0
[INFO] finished tweaking crates.io crate timecode-coder 0.3.0
[INFO] tweaked toml for crates.io crate timecode-coder 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] b7d90c6fc72aa1ca1a1e4850968ae2486afb7efca95d0682380c052b608aaa33
[INFO] running `Command { std: "docker" "start" "-a" "b7d90c6fc72aa1ca1a1e4850968ae2486afb7efca95d0682380c052b608aaa33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7d90c6fc72aa1ca1a1e4850968ae2486afb7efca95d0682380c052b608aaa33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d90c6fc72aa1ca1a1e4850968ae2486afb7efca95d0682380c052b608aaa33", kill_on_drop: false }`
[INFO] [stdout] b7d90c6fc72aa1ca1a1e4850968ae2486afb7efca95d0682380c052b608aaa33
[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] 94885b07d49ce80e0fcbe3deeb0c8fd1fa6eb304280cbbf563c8a01e2f6cbb10
[INFO] running `Command { std: "docker" "start" "-a" "94885b07d49ce80e0fcbe3deeb0c8fd1fa6eb304280cbbf563c8a01e2f6cbb10", kill_on_drop: false }`
[INFO] [stderr]     Checking intbits v0.2.0
[INFO] [stderr]     Checking riff v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking wav v1.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking timecode-coder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "94885b07d49ce80e0fcbe3deeb0c8fd1fa6eb304280cbbf563c8a01e2f6cbb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94885b07d49ce80e0fcbe3deeb0c8fd1fa6eb304280cbbf563c8a01e2f6cbb10", kill_on_drop: false }`
[INFO] [stdout] 94885b07d49ce80e0fcbe3deeb0c8fd1fa6eb304280cbbf563c8a01e2f6cbb10