[INFO] cloning repository https://github.com/BastianAsmussen/TosCoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BastianAsmussen/TosCoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBastianAsmussen%2FTosCoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBastianAsmussen%2FTosCoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e32c80c7dce40fd34b1fd2358f42e665aecf3e7d
[INFO] checking BastianAsmussen/TosCoin against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBastianAsmussen%2FTosCoin" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BastianAsmussen/TosCoin 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/BastianAsmussen/TosCoin
[INFO] finished tweaking git repo https://github.com/BastianAsmussen/TosCoin
[INFO] tweaked toml for git repo https://github.com/BastianAsmussen/TosCoin written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BastianAsmussen/TosCoin 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 thiserror-impl v1.0.56
[INFO] [stderr]   Downloaded semver v1.0.21
[INFO] [stderr]   Downloaded anyhow v1.0.79
[INFO] [stderr]   Downloaded thiserror v1.0.56
[INFO] [stderr]   Downloaded serde_derive v1.0.196
[INFO] [stderr]   Downloaded serde v1.0.196
[INFO] [stderr]   Downloaded serde_json v1.0.113
[INFO] [stderr]   Downloaded syn v2.0.48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c6ad47a32ea38948fd1c061179de18ee89eeb1c199f2374793fa07c924d5d05d
[INFO] running `Command { std: "docker" "start" "-a" "c6ad47a32ea38948fd1c061179de18ee89eeb1c199f2374793fa07c924d5d05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6ad47a32ea38948fd1c061179de18ee89eeb1c199f2374793fa07c924d5d05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ad47a32ea38948fd1c061179de18ee89eeb1c199f2374793fa07c924d5d05d", kill_on_drop: false }`
[INFO] [stdout] c6ad47a32ea38948fd1c061179de18ee89eeb1c199f2374793fa07c924d5d05d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e43b8a47fa2ba979b2874ab6c125f21451f0548044a35880c70d9b7cd53ddce2
[INFO] running `Command { std: "docker" "start" "-a" "e43b8a47fa2ba979b2874ab6c125f21451f0548044a35880c70d9b7cd53ddce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling platforms v3.3.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking tos_coin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.92s
[INFO] running `Command { std: "docker" "inspect" "e43b8a47fa2ba979b2874ab6c125f21451f0548044a35880c70d9b7cd53ddce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43b8a47fa2ba979b2874ab6c125f21451f0548044a35880c70d9b7cd53ddce2", kill_on_drop: false }`
[INFO] [stdout] e43b8a47fa2ba979b2874ab6c125f21451f0548044a35880c70d9b7cd53ddce2
[INFO] checking BastianAsmussen/TosCoin against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBastianAsmussen%2FTosCoin" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BastianAsmussen/TosCoin 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/BastianAsmussen/TosCoin
[INFO] finished tweaking git repo https://github.com/BastianAsmussen/TosCoin
[INFO] tweaked toml for git repo https://github.com/BastianAsmussen/TosCoin written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/BastianAsmussen/TosCoin 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 24faedfa1d27b1f3a07717e8f7dc459b7d47f196f831986f5bead3dcebe8d99f
[INFO] running `Command { std: "docker" "start" "-a" "24faedfa1d27b1f3a07717e8f7dc459b7d47f196f831986f5bead3dcebe8d99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24faedfa1d27b1f3a07717e8f7dc459b7d47f196f831986f5bead3dcebe8d99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24faedfa1d27b1f3a07717e8f7dc459b7d47f196f831986f5bead3dcebe8d99f", kill_on_drop: false }`
[INFO] [stdout] 24faedfa1d27b1f3a07717e8f7dc459b7d47f196f831986f5bead3dcebe8d99f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 48b418c7c76cd2dd975af5b1334ff2fd8b7d26b355becf84a439935f881f90db
[INFO] running `Command { std: "docker" "start" "-a" "48b418c7c76cd2dd975af5b1334ff2fd8b7d26b355becf84a439935f881f90db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling platforms v3.3.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking tos_coin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.19s
[INFO] running `Command { std: "docker" "inspect" "48b418c7c76cd2dd975af5b1334ff2fd8b7d26b355becf84a439935f881f90db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b418c7c76cd2dd975af5b1334ff2fd8b7d26b355becf84a439935f881f90db", kill_on_drop: false }`
[INFO] [stdout] 48b418c7c76cd2dd975af5b1334ff2fd8b7d26b355becf84a439935f881f90db