[INFO] cloning repository https://github.com/ramtej/cs_hash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ramtej/cs_hash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framtej%2Fcs_hash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framtej%2Fcs_hash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73f776488944b03f01611b56394e9d80843f6100
[INFO] checking ramtej/cs_hash against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framtej%2Fcs_hash" "/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/ramtej/cs_hash 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/ramtej/cs_hash
[INFO] finished tweaking git repo https://github.com/ramtej/cs_hash
[INFO] tweaked toml for git repo https://github.com/ramtej/cs_hash written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ramtej/cs_hash 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 ff v0.11.0
[INFO] [stderr]   Downloaded yastl v0.1.2
[INFO] [stderr]   Downloaded execute-command-macro v0.1.7
[INFO] [stderr]   Downloaded zeroize_derive v1.1.1
[INFO] [stderr]   Downloaded ec-gpu v0.1.0
[INFO] [stderr]   Downloaded execute-command-macro-impl v0.1.7
[INFO] [stderr]   Downloaded pairing v0.21.0
[INFO] [stderr]   Downloaded spin v0.9.2
[INFO] [stderr]   Downloaded blake2s_simd v0.5.11
[INFO] [stderr]   Downloaded execute-command-tokens v0.1.5
[INFO] [stderr]   Downloaded bellperson v0.19.1
[INFO] [stderr]   Downloaded temp-env v0.2.0
[INFO] [stderr]   Downloaded blst v0.3.7
[INFO] [stderr]   Downloaded ec-gpu-gen v0.2.1
[INFO] [stderr]   Downloaded blstrs v0.4.2
[INFO] [stderr]   Downloaded execute v0.2.10
[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] 9cf162f72e799023bf36db49162a3ad33afda90f3eea040e3153d89402b22a0d
[INFO] running `Command { std: "docker" "start" "-a" "9cf162f72e799023bf36db49162a3ad33afda90f3eea040e3153d89402b22a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cf162f72e799023bf36db49162a3ad33afda90f3eea040e3153d89402b22a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf162f72e799023bf36db49162a3ad33afda90f3eea040e3153d89402b22a0d", kill_on_drop: false }`
[INFO] [stdout] 9cf162f72e799023bf36db49162a3ad33afda90f3eea040e3153d89402b22a0d
[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] 1e2573258e883cbf0a4a604f99ed9101250cb5ee652642acfbd8583f53046256
[INFO] running `Command { std: "docker" "start" "-a" "1e2573258e883cbf0a4a604f99ed9101250cb5ee652642acfbd8583f53046256", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling execute-command-tokens v0.1.5
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking lock_api v0.4.7
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling byte-slice-cast v1.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling blst v0.3.7
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling ec-gpu v0.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking temp-env v0.2.0
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking yastl v0.1.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zeroize_derive v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling execute-command-macro-impl v0.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking ff v0.11.0
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]    Compiling execute-command-macro v0.1.7
[INFO] [stderr]     Checking pairing v0.21.0
[INFO] [stderr]    Compiling execute v0.2.10
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking blstrs v0.4.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling ec-gpu-gen v0.2.1
[INFO] [stderr]     Checking bellperson v0.19.1
[INFO] [stderr]     Checking cs_hash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.51s
[INFO] running `Command { std: "docker" "inspect" "1e2573258e883cbf0a4a604f99ed9101250cb5ee652642acfbd8583f53046256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2573258e883cbf0a4a604f99ed9101250cb5ee652642acfbd8583f53046256", kill_on_drop: false }`
[INFO] [stdout] 1e2573258e883cbf0a4a604f99ed9101250cb5ee652642acfbd8583f53046256
[INFO] checking ramtej/cs_hash against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framtej%2Fcs_hash" "/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/ramtej/cs_hash 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 git repo https://github.com/ramtej/cs_hash
[INFO] finished tweaking git repo https://github.com/ramtej/cs_hash
[INFO] tweaked toml for git repo https://github.com/ramtej/cs_hash written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ramtej/cs_hash 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdd45c3d49c7d4decb66c7adcb292d14a158388a4cd8b63e6a47528015d803e7
[INFO] running `Command { std: "docker" "start" "-a" "cdd45c3d49c7d4decb66c7adcb292d14a158388a4cd8b63e6a47528015d803e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdd45c3d49c7d4decb66c7adcb292d14a158388a4cd8b63e6a47528015d803e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd45c3d49c7d4decb66c7adcb292d14a158388a4cd8b63e6a47528015d803e7", kill_on_drop: false }`
[INFO] [stdout] cdd45c3d49c7d4decb66c7adcb292d14a158388a4cd8b63e6a47528015d803e7
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd52372127564036dae398bdd87c004cabccec77674c1724612d19fc53011a2f
[INFO] running `Command { std: "docker" "start" "-a" "cd52372127564036dae398bdd87c004cabccec77674c1724612d19fc53011a2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling execute-command-tokens v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking lock_api v0.4.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling byte-slice-cast v1.2.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling ec-gpu v0.1.0
[INFO] [stderr]    Compiling blst v0.3.7
[INFO] [stderr]     Checking temp-env v0.2.0
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking yastl v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zeroize_derive v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling execute-command-macro-impl v0.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking ff v0.11.0
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking pairing v0.21.0
[INFO] [stderr]    Compiling execute-command-macro v0.1.7
[INFO] [stderr]    Compiling execute v0.2.10
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking blstrs v0.4.2
[INFO] [stderr]    Compiling ec-gpu-gen v0.2.1
[INFO] [stderr]     Checking bellperson v0.19.1
[INFO] [stderr]     Checking cs_hash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.91s
[INFO] running `Command { std: "docker" "inspect" "cd52372127564036dae398bdd87c004cabccec77674c1724612d19fc53011a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd52372127564036dae398bdd87c004cabccec77674c1724612d19fc53011a2f", kill_on_drop: false }`
[INFO] [stdout] cd52372127564036dae398bdd87c004cabccec77674c1724612d19fc53011a2f