[INFO] fetching crate order-stat 0.1.3... [INFO] checking order-stat-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate order-stat 0.1.3 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate order-stat 0.1.3 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 order-stat 0.1.3 [INFO] finished tweaking crates.io crate order-stat 0.1.3 [INFO] tweaked toml for crates.io crate order-stat 0.1.3 written to /workspace/builds/worker-0-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] 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 25 packages [INFO] [stderr] Adding aho-corasick v0.5.3 (latest: v1.1.3) [INFO] [stderr] Adding env_logger v0.3.5 (latest: v0.11.3) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding memchr v0.1.11 (latest: v2.7.2) [INFO] [stderr] Adding quickcheck v0.2.27 (latest: v1.0.3) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [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] [stderr] Adding regex v0.1.80 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.3.9 (latest: v0.8.3) [INFO] [stderr] Adding thread-id v2.0.0 (latest: v4.2.1) [INFO] [stderr] Adding thread_local v0.2.7 (latest: v1.1.8) [INFO] [stderr] Adding utf8-ranges v0.1.3 (latest: v1.0.5) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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] Blocking waiting for file lock on package cache [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb36f89f149cc36a2d6f4aafd63ab36d36c66ad3d0a2dbe30fdf8196034c225b [INFO] running `Command { std: "docker" "start" "-a" "cb36f89f149cc36a2d6f4aafd63ab36d36c66ad3d0a2dbe30fdf8196034c225b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb36f89f149cc36a2d6f4aafd63ab36d36c66ad3d0a2dbe30fdf8196034c225b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb36f89f149cc36a2d6f4aafd63ab36d36c66ad3d0a2dbe30fdf8196034c225b", kill_on_drop: false }` [INFO] [stdout] cb36f89f149cc36a2d6f4aafd63ab36d36c66ad3d0a2dbe30fdf8196034c225b [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c4c1bd42f0530bc979985f53130ace57b049184d15cd3219d5890e7c682d405 [INFO] running `Command { std: "docker" "start" "-a" "6c4c1bd42f0530bc979985f53130ace57b049184d15cd3219d5890e7c682d405", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking order-stat v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stdout] warning: the item `mem` is imported redundantly [INFO] [stdout] --> src/mom.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp, mem}; [INFO] [stdout] | --- the item `mem` is already imported here [INFO] [stdout] ... [INFO] [stdout] 84 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.2.27 [INFO] [stdout] warning: the item `quickcheck` is imported redundantly [INFO] [stdout] --> src/floyd_rivest.rs:87:22 [INFO] [stdout] | [INFO] [stdout] 87 | use quickcheck::{self, TestResult}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:84:14 [INFO] [stdout] | [INFO] [stdout] 84 | #[cfg(test)] extern crate quickcheck; [INFO] [stdout] | ------------------------ the item `quickcheck` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `quickcheck` is imported redundantly [INFO] [stdout] --> src/quickselect.rs:50:22 [INFO] [stdout] | [INFO] [stdout] 50 | use quickcheck::{self, TestResult}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:84:14 [INFO] [stdout] | [INFO] [stdout] 84 | #[cfg(test)] extern crate quickcheck; [INFO] [stdout] | ------------------------ the item `quickcheck` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mem` is imported redundantly [INFO] [stdout] --> src/mom.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp, mem}; [INFO] [stdout] | --- the item `mem` is already imported here [INFO] [stdout] ... [INFO] [stdout] 84 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `quickcheck` is imported redundantly [INFO] [stdout] --> src/mom.rs:126:22 [INFO] [stdout] | [INFO] [stdout] 126 | use quickcheck::{self, TestResult}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:84:14 [INFO] [stdout] | [INFO] [stdout] 84 | #[cfg(test)] extern crate quickcheck; [INFO] [stdout] | ------------------------ the item `quickcheck` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.94s [INFO] running `Command { std: "docker" "inspect" "6c4c1bd42f0530bc979985f53130ace57b049184d15cd3219d5890e7c682d405", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c4c1bd42f0530bc979985f53130ace57b049184d15cd3219d5890e7c682d405", kill_on_drop: false }` [INFO] [stdout] 6c4c1bd42f0530bc979985f53130ace57b049184d15cd3219d5890e7c682d405 [INFO] checking order-stat-0.1.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate order-stat 0.1.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate order-stat 0.1.3 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 order-stat 0.1.3 [INFO] finished tweaking crates.io crate order-stat 0.1.3 [INFO] tweaked toml for crates.io crate order-stat 0.1.3 written to /workspace/builds/worker-0-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] Updating crates.io index [INFO] [stderr] Locking 25 packages [INFO] [stderr] Adding aho-corasick v0.5.3 (latest: v1.1.3) [INFO] [stderr] Adding env_logger v0.3.5 (latest: v0.11.3) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding memchr v0.1.11 (latest: v2.7.2) [INFO] [stderr] Adding quickcheck v0.2.27 (latest: v1.0.3) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [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] [stderr] Adding regex v0.1.80 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.3.9 (latest: v0.8.3) [INFO] [stderr] Adding thread-id v2.0.0 (latest: v4.2.1) [INFO] [stderr] Adding thread_local v0.2.7 (latest: v1.1.8) [INFO] [stderr] Adding utf8-ranges v0.1.3 (latest: v1.0.5) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb3f7befb9fdab4aef6d46cb642ddfa9344f057c42858d8cc6ec788155f561f0 [INFO] running `Command { std: "docker" "start" "-a" "eb3f7befb9fdab4aef6d46cb642ddfa9344f057c42858d8cc6ec788155f561f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb3f7befb9fdab4aef6d46cb642ddfa9344f057c42858d8cc6ec788155f561f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb3f7befb9fdab4aef6d46cb642ddfa9344f057c42858d8cc6ec788155f561f0", kill_on_drop: false }` [INFO] [stdout] eb3f7befb9fdab4aef6d46cb642ddfa9344f057c42858d8cc6ec788155f561f0 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35a711f1836936dea031e9985e0eca70e7335b959fcdedd0c970843f5002c229 [INFO] running `Command { std: "docker" "start" "-a" "35a711f1836936dea031e9985e0eca70e7335b959fcdedd0c970843f5002c229", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking order-stat v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `mem` is imported redundantly [INFO] [stdout] --> src/mom.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp, mem}; [INFO] [stdout] | --- the item `mem` is already imported here [INFO] [stdout] ... [INFO] [stdout] 84 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [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] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.2.27 [INFO] [stdout] warning: the item `quickcheck` is imported redundantly [INFO] [stdout] --> src/floyd_rivest.rs:87:22 [INFO] [stdout] | [INFO] [stdout] 87 | use quickcheck::{self, TestResult}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:84:14 [INFO] [stdout] | [INFO] [stdout] 84 | #[cfg(test)] extern crate quickcheck; [INFO] [stdout] | ------------------------ the item `quickcheck` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `quickcheck` is imported redundantly [INFO] [stdout] --> src/quickselect.rs:50:22 [INFO] [stdout] | [INFO] [stdout] 50 | use quickcheck::{self, TestResult}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:84:14 [INFO] [stdout] | [INFO] [stdout] 84 | #[cfg(test)] extern crate quickcheck; [INFO] [stdout] | ------------------------ the item `quickcheck` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mem` is imported redundantly [INFO] [stdout] --> src/mom.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp, mem}; [INFO] [stdout] | --- the item `mem` is already imported here [INFO] [stdout] ... [INFO] [stdout] 84 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `quickcheck` is imported redundantly [INFO] [stdout] --> src/mom.rs:126:22 [INFO] [stdout] | [INFO] [stdout] 126 | use quickcheck::{self, TestResult}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:84:14 [INFO] [stdout] | [INFO] [stdout] 84 | #[cfg(test)] extern crate quickcheck; [INFO] [stdout] | ------------------------ the item `quickcheck` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.27s [INFO] running `Command { std: "docker" "inspect" "35a711f1836936dea031e9985e0eca70e7335b959fcdedd0c970843f5002c229", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35a711f1836936dea031e9985e0eca70e7335b959fcdedd0c970843f5002c229", kill_on_drop: false }` [INFO] [stdout] 35a711f1836936dea031e9985e0eca70e7335b959fcdedd0c970843f5002c229