[INFO] fetching crate ic_canister_backup 0.0.4... [INFO] checking ic_canister_backup-0.0.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate ic_canister_backup 0.0.4 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate ic_canister_backup 0.0.4 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 crates.io crate ic_canister_backup 0.0.4 [INFO] finished tweaking crates.io crate ic_canister_backup 0.0.4 [INFO] tweaked toml for crates.io crate ic_canister_backup 0.0.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 11 packages [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [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] 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b54d7882c46a12d5200212d3663b9db5cfaef031a8da749fa8799e67cbeb8d53 [INFO] running `Command { std: "docker" "start" "-a" "b54d7882c46a12d5200212d3663b9db5cfaef031a8da749fa8799e67cbeb8d53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b54d7882c46a12d5200212d3663b9db5cfaef031a8da749fa8799e67cbeb8d53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b54d7882c46a12d5200212d3663b9db5cfaef031a8da749fa8799e67cbeb8d53", kill_on_drop: false }` [INFO] [stdout] b54d7882c46a12d5200212d3663b9db5cfaef031a8da749fa8799e67cbeb8d53 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0eb9007c59faefc81e74fe0984b73364de53b6fa2c73e2f772ea1e1ec1b75788 [INFO] running `Command { std: "docker" "start" "-a" "0eb9007c59faefc81e74fe0984b73364de53b6fa2c73e2f772ea1e1ec1b75788", kill_on_drop: false }` [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking ic_canister_backup v0.0.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "0eb9007c59faefc81e74fe0984b73364de53b6fa2c73e2f772ea1e1ec1b75788", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0eb9007c59faefc81e74fe0984b73364de53b6fa2c73e2f772ea1e1ec1b75788", kill_on_drop: false }` [INFO] [stdout] 0eb9007c59faefc81e74fe0984b73364de53b6fa2c73e2f772ea1e1ec1b75788 [INFO] checking ic_canister_backup-0.0.4 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate ic_canister_backup 0.0.4 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate ic_canister_backup 0.0.4 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ic_canister_backup 0.0.4 [INFO] finished tweaking crates.io crate ic_canister_backup 0.0.4 [INFO] tweaked toml for crates.io crate ic_canister_backup 0.0.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dbd8285443e064375e40cc531fc5af9a2f6e69f3b622726b633a41c47f959c76 [INFO] running `Command { std: "docker" "start" "-a" "dbd8285443e064375e40cc531fc5af9a2f6e69f3b622726b633a41c47f959c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbd8285443e064375e40cc531fc5af9a2f6e69f3b622726b633a41c47f959c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbd8285443e064375e40cc531fc5af9a2f6e69f3b622726b633a41c47f959c76", kill_on_drop: false }` [INFO] [stdout] dbd8285443e064375e40cc531fc5af9a2f6e69f3b622726b633a41c47f959c76 [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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b79244d5872c2d0cadb108ea8438a86afd96facb3f513386bac3109fc7976dd8 [INFO] running `Command { std: "docker" "start" "-a" "b79244d5872c2d0cadb108ea8438a86afd96facb3f513386bac3109fc7976dd8", kill_on_drop: false }` [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking ic_canister_backup v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/logic.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/logic.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ic_canister_backup` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `ic_canister_backup` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "b79244d5872c2d0cadb108ea8438a86afd96facb3f513386bac3109fc7976dd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b79244d5872c2d0cadb108ea8438a86afd96facb3f513386bac3109fc7976dd8", kill_on_drop: false }` [INFO] [stdout] b79244d5872c2d0cadb108ea8438a86afd96facb3f513386bac3109fc7976dd8