[INFO] cloning repository https://github.com/Thoralf-M/IOTA-Ed25519-addresses
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Thoralf-M/IOTA-Ed25519-addresses" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThoralf-M%2FIOTA-Ed25519-addresses", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThoralf-M%2FIOTA-Ed25519-addresses'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5a2a1e990ae302ce9b352977e7a676f33475f74
[INFO] checking Thoralf-M/IOTA-Ed25519-addresses against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThoralf-M%2FIOTA-Ed25519-addresses" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Thoralf-M/IOTA-Ed25519-addresses on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Thoralf-M/IOTA-Ed25519-addresses
[INFO] finished tweaking git repo https://github.com/Thoralf-M/IOTA-Ed25519-addresses
[INFO] tweaked toml for git repo https://github.com/Thoralf-M/IOTA-Ed25519-addresses written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Thoralf-M/IOTA-Ed25519-addresses 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d85fecf761522118fe523ada24ae782cec3ed261cd0383f5eb580258f4526d1
[INFO] running `Command { std: "docker" "start" "-a" "3d85fecf761522118fe523ada24ae782cec3ed261cd0383f5eb580258f4526d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d85fecf761522118fe523ada24ae782cec3ed261cd0383f5eb580258f4526d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d85fecf761522118fe523ada24ae782cec3ed261cd0383f5eb580258f4526d1", kill_on_drop: false }`
[INFO] [stdout] 3d85fecf761522118fe523ada24ae782cec3ed261cd0383f5eb580258f4526d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 709fe209dcc436697b8866a56f47c4f9fcad80b547e23700ef29b58db6adf732
[INFO] running `Command { std: "docker" "start" "-a" "709fe209dcc436697b8866a56f47c4f9fcad80b547e23700ef29b58db6adf732", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking multihash v0.11.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking iota_ed25519_addresses v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bs58;
[INFO] [stdout]   |     ^^^^ the item `bs58` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bs58;
[INFO] [stdout]   |     ^^^^ the item `bs58` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "709fe209dcc436697b8866a56f47c4f9fcad80b547e23700ef29b58db6adf732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "709fe209dcc436697b8866a56f47c4f9fcad80b547e23700ef29b58db6adf732", kill_on_drop: false }`
[INFO] [stdout] 709fe209dcc436697b8866a56f47c4f9fcad80b547e23700ef29b58db6adf732