[INFO] fetching crate backtracking_iterator 0.4.4... [INFO] checking backtracking_iterator-0.4.4 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate backtracking_iterator 0.4.4 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate backtracking_iterator 0.4.4 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate backtracking_iterator 0.4.4 [INFO] finished tweaking crates.io crate backtracking_iterator 0.4.4 [INFO] tweaked toml for crates.io crate backtracking_iterator 0.4.4 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27fd1b2e6ea304b92fc88e3fab42e43ea21fe84a716f7db9325f116afb5c3a0d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "27fd1b2e6ea304b92fc88e3fab42e43ea21fe84a716f7db9325f116afb5c3a0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27fd1b2e6ea304b92fc88e3fab42e43ea21fe84a716f7db9325f116afb5c3a0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27fd1b2e6ea304b92fc88e3fab42e43ea21fe84a716f7db9325f116afb5c3a0d", kill_on_drop: false }` [INFO] [stdout] 27fd1b2e6ea304b92fc88e3fab42e43ea21fe84a716f7db9325f116afb5c3a0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88bee61d71417234f327843b0c71145a85e4e4ec796f7f9b8dc27892aedfa0fd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "88bee61d71417234f327843b0c71145a85e4e4ec796f7f9b8dc27892aedfa0fd", kill_on_drop: false }` [INFO] [stderr] Checking backtracking_iterator v0.4.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Backtracking` is imported redundantly [INFO] [stdout] --> src/copying.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 23 | use super::BacktrackingState::*; [INFO] [stdout] | --------------------------- the item `Backtracking` is already imported here [INFO] [stdout] ... [INFO] [stdout] 38 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Progressing` is imported redundantly [INFO] [stdout] --> src/copying.rs:38:31 [INFO] [stdout] | [INFO] [stdout] 23 | use super::BacktrackingState::*; [INFO] [stdout] | --------------------------- the item `Progressing` is already imported here [INFO] [stdout] ... [INFO] [stdout] 38 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Backtracking` is imported redundantly [INFO] [stdout] --> src/referencing.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 23 | use super::BacktrackingState::*; [INFO] [stdout] | --------------------------- the item `Backtracking` is already imported here [INFO] [stdout] ... [INFO] [stdout] 57 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Progressing` is imported redundantly [INFO] [stdout] --> src/referencing.rs:57:31 [INFO] [stdout] | [INFO] [stdout] 23 | use super::BacktrackingState::*; [INFO] [stdout] | --------------------------- the item `Progressing` is already imported here [INFO] [stdout] ... [INFO] [stdout] 57 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BacktrackingState` [INFO] [stdout] --> src/concurrent.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | use super::{BacktrackingState, BacktrackingIterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Backtracking`, `Progressing` [INFO] [stdout] --> src/concurrent.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Backtracking`, `Progressing` [INFO] [stdout] --> src/concurrent.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Backtracking` is imported redundantly [INFO] [stdout] --> src/copying.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 23 | use super::BacktrackingState::*; [INFO] [stdout] | --------------------------- the item `Backtracking` is already imported here [INFO] [stdout] ... [INFO] [stdout] 38 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Progressing` is imported redundantly [INFO] [stdout] --> src/copying.rs:38:31 [INFO] [stdout] | [INFO] [stdout] 23 | use super::BacktrackingState::*; [INFO] [stdout] | --------------------------- the item `Progressing` is already imported here [INFO] [stdout] ... [INFO] [stdout] 38 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Backtracking` is imported redundantly [INFO] [stdout] --> src/referencing.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 23 | use super::BacktrackingState::*; [INFO] [stdout] | --------------------------- the item `Backtracking` is already imported here [INFO] [stdout] ... [INFO] [stdout] 57 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Progressing` is imported redundantly [INFO] [stdout] --> src/referencing.rs:57:31 [INFO] [stdout] | [INFO] [stdout] 23 | use super::BacktrackingState::*; [INFO] [stdout] | --------------------------- the item `Progressing` is already imported here [INFO] [stdout] ... [INFO] [stdout] 57 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BacktrackingState` [INFO] [stdout] --> src/concurrent.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | use super::{BacktrackingState, BacktrackingIterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Backtracking`, `Progressing` [INFO] [stdout] --> src/concurrent.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Backtracking`, `Progressing` [INFO] [stdout] --> src/concurrent.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/concurrent.rs:209:26 [INFO] [stdout] | [INFO] [stdout] 209 | struct Uncloneable {}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "88bee61d71417234f327843b0c71145a85e4e4ec796f7f9b8dc27892aedfa0fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88bee61d71417234f327843b0c71145a85e4e4ec796f7f9b8dc27892aedfa0fd", kill_on_drop: false }` [INFO] [stdout] 88bee61d71417234f327843b0c71145a85e4e4ec796f7f9b8dc27892aedfa0fd