[INFO] cloning repository https://github.com/IBTC-RUST/utils_did
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IBTC-RUST/utils_did" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIBTC-RUST%2Futils_did", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIBTC-RUST%2Futils_did'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22b1529905d8fdc1b0662b62fa708024dae4b0d8
[INFO] checking IBTC-RUST/utils_did against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIBTC-RUST%2Futils_did" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IBTC-RUST/utils_did 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/IBTC-RUST/utils_did
[INFO] finished tweaking git repo https://github.com/IBTC-RUST/utils_did
[INFO] tweaked toml for git repo https://github.com/IBTC-RUST/utils_did written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/IBTC-RUST/utils_did 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 bip39 v1.0.1
[INFO] [stderr]   Downloaded bitcoin_hashes v0.9.7
[INFO] [stderr]   Downloaded unicode-normalization v0.1.9
[INFO] [stderr]   Downloaded libsm v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 77f57ca6823598d6b7025455a71ccaeeccefbaeaba1dd16b1e2172803c255c53
[INFO] running `Command { std: "docker" "start" "-a" "77f57ca6823598d6b7025455a71ccaeeccefbaeaba1dd16b1e2172803c255c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77f57ca6823598d6b7025455a71ccaeeccefbaeaba1dd16b1e2172803c255c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f57ca6823598d6b7025455a71ccaeeccefbaeaba1dd16b1e2172803c255c53", kill_on_drop: false }`
[INFO] [stdout] 77f57ca6823598d6b7025455a71ccaeeccefbaeaba1dd16b1e2172803c255c53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 20ee395200d2295c2fe22939bb4fc8ce224829da7329b8482516d4f73807edf8
[INFO] running `Command { std: "docker" "start" "-a" "20ee395200d2295c2fe22939bb4fc8ce224829da7329b8482516d4f73807edf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking bitcoin_hashes v0.9.7
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking yasna v0.4.0
[INFO] [stderr]     Checking libsm v0.4.1
[INFO] [stderr]     Checking bip39 v1.0.1
[INFO] [stderr]     Checking utils_did v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `Command { std: "docker" "inspect" "20ee395200d2295c2fe22939bb4fc8ce224829da7329b8482516d4f73807edf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ee395200d2295c2fe22939bb4fc8ce224829da7329b8482516d4f73807edf8", kill_on_drop: false }`
[INFO] [stdout] 20ee395200d2295c2fe22939bb4fc8ce224829da7329b8482516d4f73807edf8
[INFO] checking IBTC-RUST/utils_did against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIBTC-RUST%2Futils_did" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IBTC-RUST/utils_did 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/IBTC-RUST/utils_did
[INFO] finished tweaking git repo https://github.com/IBTC-RUST/utils_did
[INFO] tweaked toml for git repo https://github.com/IBTC-RUST/utils_did written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/IBTC-RUST/utils_did 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 05d813474683ef21867e99cc558fdee89da4a97fd657b5b6620227bab526a535
[INFO] running `Command { std: "docker" "start" "-a" "05d813474683ef21867e99cc558fdee89da4a97fd657b5b6620227bab526a535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05d813474683ef21867e99cc558fdee89da4a97fd657b5b6620227bab526a535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d813474683ef21867e99cc558fdee89da4a97fd657b5b6620227bab526a535", kill_on_drop: false }`
[INFO] [stdout] 05d813474683ef21867e99cc558fdee89da4a97fd657b5b6620227bab526a535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0e128edb9990ea9eae5333cca6606ec391d12d82575c247e5d51ebf4acc76f28
[INFO] running `Command { std: "docker" "start" "-a" "0e128edb9990ea9eae5333cca6606ec391d12d82575c247e5d51ebf4acc76f28", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking bitcoin_hashes v0.9.7
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking yasna v0.4.0
[INFO] [stderr]     Checking libsm v0.4.1
[INFO] [stderr]     Checking bip39 v1.0.1
[INFO] [stderr]     Checking utils_did v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.79s
[INFO] running `Command { std: "docker" "inspect" "0e128edb9990ea9eae5333cca6606ec391d12d82575c247e5d51ebf4acc76f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e128edb9990ea9eae5333cca6606ec391d12d82575c247e5d51ebf4acc76f28", kill_on_drop: false }`
[INFO] [stdout] 0e128edb9990ea9eae5333cca6606ec391d12d82575c247e5d51ebf4acc76f28