[INFO] fetching crate currency 0.4.0... [INFO] checking currency-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate currency 0.4.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate currency 0.4.0 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 crates.io crate currency 0.4.0 [INFO] finished tweaking crates.io crate currency 0.4.0 [INFO] tweaked toml for crates.io crate currency 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 19 packages [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [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 num-rational v0.1.42 [INFO] [stderr] Downloaded num v0.1.42 [INFO] [stderr] Downloaded num-bigint v0.1.44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cbbac4f578de4fa2aaa38f3e20e2e3d881a618e9c1615d521d2343b609b68176 [INFO] running `Command { std: "docker" "start" "-a" "cbbac4f578de4fa2aaa38f3e20e2e3d881a618e9c1615d521d2343b609b68176", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbbac4f578de4fa2aaa38f3e20e2e3d881a618e9c1615d521d2343b609b68176", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbbac4f578de4fa2aaa38f3e20e2e3d881a618e9c1615d521d2343b609b68176", kill_on_drop: false }` [INFO] [stdout] cbbac4f578de4fa2aaa38f3e20e2e3d881a618e9c1615d521d2343b609b68176 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 388fb9c4c3b1570d161bd047216413b32f739adf9ed1de341879f54f22647627 [INFO] running `Command { std: "docker" "start" "-a" "388fb9c4c3b1570d161bd047216413b32f739adf9ed1de341879f54f22647627", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking currency v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `BigUint` is imported redundantly [INFO] [stdout] --> src/lib.rs:85:27 [INFO] [stdout] | [INFO] [stdout] 46 | use num::bigint::{BigInt, BigUint, Sign}; [INFO] [stdout] | ------- the item `BigUint` is already imported here [INFO] [stdout] ... [INFO] [stdout] 85 | use num::bigint::{BigUint, Sign}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sign` is imported redundantly [INFO] [stdout] --> src/lib.rs:85:36 [INFO] [stdout] | [INFO] [stdout] 46 | use num::bigint::{BigInt, BigUint, Sign}; [INFO] [stdout] | ---- the item `Sign` is already imported here [INFO] [stdout] ... [INFO] [stdout] 85 | use num::bigint::{BigUint, Sign}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BigUint` is imported redundantly [INFO] [stdout] --> src/lib.rs:85:27 [INFO] [stdout] | [INFO] [stdout] 46 | use num::bigint::{BigInt, BigUint, Sign}; [INFO] [stdout] | ------- the item `BigUint` is already imported here [INFO] [stdout] ... [INFO] [stdout] 85 | use num::bigint::{BigUint, Sign}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sign` is imported redundantly [INFO] [stdout] --> src/lib.rs:85:36 [INFO] [stdout] | [INFO] [stdout] 46 | use num::bigint::{BigInt, BigUint, Sign}; [INFO] [stdout] | ---- the item `Sign` is already imported here [INFO] [stdout] ... [INFO] [stdout] 85 | use num::bigint::{BigUint, Sign}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/lib.rs:752:13 [INFO] [stdout] | [INFO] [stdout] 752 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.98s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "388fb9c4c3b1570d161bd047216413b32f739adf9ed1de341879f54f22647627", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "388fb9c4c3b1570d161bd047216413b32f739adf9ed1de341879f54f22647627", kill_on_drop: false }` [INFO] [stdout] 388fb9c4c3b1570d161bd047216413b32f739adf9ed1de341879f54f22647627 [INFO] checking currency-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate currency 0.4.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate currency 0.4.0 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 crates.io crate currency 0.4.0 [INFO] finished tweaking crates.io crate currency 0.4.0 [INFO] tweaked toml for crates.io crate currency 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 19 packages [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8e06cf80b7d385176bc74464455569943ff45e8cb924f346c33f753466efe4b5 [INFO] running `Command { std: "docker" "start" "-a" "8e06cf80b7d385176bc74464455569943ff45e8cb924f346c33f753466efe4b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e06cf80b7d385176bc74464455569943ff45e8cb924f346c33f753466efe4b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e06cf80b7d385176bc74464455569943ff45e8cb924f346c33f753466efe4b5", kill_on_drop: false }` [INFO] [stdout] 8e06cf80b7d385176bc74464455569943ff45e8cb924f346c33f753466efe4b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1e32e6c0c25a2a5d38b71238a73ae41035802664eb5d82f2df3314dd989eb347 [INFO] running `Command { std: "docker" "start" "-a" "1e32e6c0c25a2a5d38b71238a73ae41035802664eb5d82f2df3314dd989eb347", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking currency v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `BigUint` is imported redundantly [INFO] [stdout] --> src/lib.rs:85:27 [INFO] [stdout] | [INFO] [stdout] 46 | use num::bigint::{BigInt, BigUint, Sign}; [INFO] [stdout] | ------- the item `BigUint` is already imported here [INFO] [stdout] ... [INFO] [stdout] 85 | use num::bigint::{BigUint, Sign}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sign` is imported redundantly [INFO] [stdout] --> src/lib.rs:85:36 [INFO] [stdout] | [INFO] [stdout] 46 | use num::bigint::{BigInt, BigUint, Sign}; [INFO] [stdout] | ---- the item `Sign` is already imported here [INFO] [stdout] ... [INFO] [stdout] 85 | use num::bigint::{BigUint, Sign}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BigUint` is imported redundantly [INFO] [stdout] --> src/lib.rs:85:27 [INFO] [stdout] | [INFO] [stdout] 46 | use num::bigint::{BigInt, BigUint, Sign}; [INFO] [stdout] | ------- the item `BigUint` is already imported here [INFO] [stdout] ... [INFO] [stdout] 85 | use num::bigint::{BigUint, Sign}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sign` is imported redundantly [INFO] [stdout] --> src/lib.rs:85:36 [INFO] [stdout] | [INFO] [stdout] 46 | use num::bigint::{BigInt, BigUint, Sign}; [INFO] [stdout] | ---- the item `Sign` is already imported here [INFO] [stdout] ... [INFO] [stdout] 85 | use num::bigint::{BigUint, Sign}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/lib.rs:752:13 [INFO] [stdout] | [INFO] [stdout] 752 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.17s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "1e32e6c0c25a2a5d38b71238a73ae41035802664eb5d82f2df3314dd989eb347", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e32e6c0c25a2a5d38b71238a73ae41035802664eb5d82f2df3314dd989eb347", kill_on_drop: false }` [INFO] [stdout] 1e32e6c0c25a2a5d38b71238a73ae41035802664eb5d82f2df3314dd989eb347