[INFO] fetching crate decstr 0.2.0... [INFO] checking decstr-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate decstr 0.2.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate decstr 0.2.0 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 decstr 0.2.0 [INFO] finished tweaking crates.io crate decstr 0.2.0 [INFO] tweaked toml for crates.io crate decstr 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate decstr 0.2.0 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dec v0.4.8 [INFO] [stderr] Downloaded decnumber-sys v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fcc823b1aa81f60beffb7537fa7ed3933f2dd9fbe288f3edeebd5d37c836c054 [INFO] running `Command { std: "docker" "start" "-a" "fcc823b1aa81f60beffb7537fa7ed3933f2dd9fbe288f3edeebd5d37c836c054", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcc823b1aa81f60beffb7537fa7ed3933f2dd9fbe288f3edeebd5d37c836c054", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcc823b1aa81f60beffb7537fa7ed3933f2dd9fbe288f3edeebd5d37c836c054", kill_on_drop: false }` [INFO] [stdout] fcc823b1aa81f60beffb7537fa7ed3933f2dd9fbe288f3edeebd5d37c836c054 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8a73aac75d582a864cabfb881dcb65b62a25c99c342821a0d70fe761a976f5f6 [INFO] running `Command { std: "docker" "start" "-a" "8a73aac75d582a864cabfb881dcb65b62a25c99c342821a0d70fe761a976f5f6", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking decstr v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `trailing_exponent_width_bits` is never used [INFO] [stdout] --> src/binary/buf.rs:177:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub trait BinaryBuf { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 177 | fn trailing_exponent_width_bits(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling decnumber-sys v0.1.5 [INFO] [stderr] Checking dec v0.4.8 [INFO] [stdout] warning: method `trailing_exponent_width_bits` is never used [INFO] [stdout] --> src/binary/buf.rs:177:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub trait BinaryBuf { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 177 | fn trailing_exponent_width_bits(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s [INFO] running `Command { std: "docker" "inspect" "8a73aac75d582a864cabfb881dcb65b62a25c99c342821a0d70fe761a976f5f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a73aac75d582a864cabfb881dcb65b62a25c99c342821a0d70fe761a976f5f6", kill_on_drop: false }` [INFO] [stdout] 8a73aac75d582a864cabfb881dcb65b62a25c99c342821a0d70fe761a976f5f6 [INFO] checking decstr-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate decstr 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate decstr 0.2.0 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 decstr 0.2.0 [INFO] finished tweaking crates.io crate decstr 0.2.0 [INFO] tweaked toml for crates.io crate decstr 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate decstr 0.2.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f143834d7f36fb25143bcda1725cc95500749e50c39f481c6dccb0afbb8c3c81 [INFO] running `Command { std: "docker" "start" "-a" "f143834d7f36fb25143bcda1725cc95500749e50c39f481c6dccb0afbb8c3c81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f143834d7f36fb25143bcda1725cc95500749e50c39f481c6dccb0afbb8c3c81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f143834d7f36fb25143bcda1725cc95500749e50c39f481c6dccb0afbb8c3c81", kill_on_drop: false }` [INFO] [stdout] f143834d7f36fb25143bcda1725cc95500749e50c39f481c6dccb0afbb8c3c81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3f2c5f0e013770532d01595ae5ae071088698fa08827b5d378bdca79782efc11 [INFO] running `Command { std: "docker" "start" "-a" "3f2c5f0e013770532d01595ae5ae071088698fa08827b5d378bdca79782efc11", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking decstr v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/bitstring/dynamic.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | Err(OverflowError::exact_size_mismatch( [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 30 | Err::(OverflowError::exact_size_mismatch( [INFO] [stdout] | +++++++++++++++++++++++++++ [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] [stderr] error: could not compile `decstr` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3f2c5f0e013770532d01595ae5ae071088698fa08827b5d378bdca79782efc11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f2c5f0e013770532d01595ae5ae071088698fa08827b5d378bdca79782efc11", kill_on_drop: false }` [INFO] [stdout] 3f2c5f0e013770532d01595ae5ae071088698fa08827b5d378bdca79782efc11