[INFO] fetching crate cytryna 0.1.3...
[INFO] checking cytryna-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate cytryna 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cytryna 0.1.3 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 cytryna 0.1.3
[INFO] finished tweaking crates.io crate cytryna 0.1.3
[INFO] tweaked toml for crates.io crate cytryna 0.1.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding image v0.24.9 (latest: v0.25.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctr v0.9.2
[INFO] [stderr]   Downloaded modular-bitfield v0.11.2
[INFO] [stderr]   Downloaded bmp v0.5.0
[INFO] [stderr]   Downloaded cbc v0.1.2
[INFO] [stderr]   Downloaded block-padding v0.3.3
[INFO] [stderr]   Downloaded memoffset v0.9.1
[INFO] [stderr]   Downloaded modular-bitfield-impl v0.11.2
[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] bb14d41458de6d7a9d3a5b0f005234e667687b672e3b11c2abe541353d19e505
[INFO] running `Command { std: "docker" "start" "-a" "bb14d41458de6d7a9d3a5b0f005234e667687b672e3b11c2abe541353d19e505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb14d41458de6d7a9d3a5b0f005234e667687b672e3b11c2abe541353d19e505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb14d41458de6d7a9d3a5b0f005234e667687b672e3b11c2abe541353d19e505", kill_on_drop: false }`
[INFO] [stdout] bb14d41458de6d7a9d3a5b0f005234e667687b672e3b11c2abe541353d19e505
[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] 1a75e3a1bd853e238de6cddebdbb4017e7068ed01b47b8ab36d0b9ebc70c0530
[INFO] running `Command { std: "docker" "start" "-a" "1a75e3a1bd853e238de6cddebdbb4017e7068ed01b47b8ab36d0b9ebc70c0530", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking bmp v0.5.0
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking cytryna v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.98s
[INFO] running `Command { std: "docker" "inspect" "1a75e3a1bd853e238de6cddebdbb4017e7068ed01b47b8ab36d0b9ebc70c0530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a75e3a1bd853e238de6cddebdbb4017e7068ed01b47b8ab36d0b9ebc70c0530", kill_on_drop: false }`
[INFO] [stdout] 1a75e3a1bd853e238de6cddebdbb4017e7068ed01b47b8ab36d0b9ebc70c0530
[INFO] checking cytryna-0.1.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate cytryna 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cytryna 0.1.3 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cytryna 0.1.3
[INFO] finished tweaking crates.io crate cytryna 0.1.3
[INFO] tweaked toml for crates.io crate cytryna 0.1.3 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding image v0.24.9 (latest: v0.25.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d24dfcc2e89c00d1e5033b353c4f1e06d552850cc08d86aaab046539c02c9f1
[INFO] running `Command { std: "docker" "start" "-a" "2d24dfcc2e89c00d1e5033b353c4f1e06d552850cc08d86aaab046539c02c9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d24dfcc2e89c00d1e5033b353c4f1e06d552850cc08d86aaab046539c02c9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d24dfcc2e89c00d1e5033b353c4f1e06d552850cc08d86aaab046539c02c9f1", kill_on_drop: false }`
[INFO] [stdout] 2d24dfcc2e89c00d1e5033b353c4f1e06d552850cc08d86aaab046539c02c9f1
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c0f82ebd8b177c42803f20c0113070703f7052b640ed609a7fe9891b353ba84
[INFO] running `Command { std: "docker" "start" "-a" "0c0f82ebd8b177c42803f20c0113070703f7052b640ed609a7fe9891b353ba84", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking bmp v0.5.0
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking cytryna v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "0c0f82ebd8b177c42803f20c0113070703f7052b640ed609a7fe9891b353ba84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0f82ebd8b177c42803f20c0113070703f7052b640ed609a7fe9891b353ba84", kill_on_drop: false }`
[INFO] [stdout] 0c0f82ebd8b177c42803f20c0113070703f7052b640ed609a7fe9891b353ba84