[INFO] fetching crate potpack 0.1.2... [INFO] checking potpack-0.1.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate potpack 0.1.2 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate potpack 0.1.2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate potpack 0.1.2 [INFO] finished tweaking crates.io crate potpack 0.1.2 [INFO] tweaked toml for crates.io crate potpack 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate potpack 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 279f462b6cabccc20b05247439198970d718f4c7f710736265cf4c799e3c3170 [INFO] running `Command { std: "docker" "start" "-a" "279f462b6cabccc20b05247439198970d718f4c7f710736265cf4c799e3c3170", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "279f462b6cabccc20b05247439198970d718f4c7f710736265cf4c799e3c3170", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "279f462b6cabccc20b05247439198970d718f4c7f710736265cf4c799e3c3170", kill_on_drop: false }` [INFO] [stdout] 279f462b6cabccc20b05247439198970d718f4c7f710736265cf4c799e3c3170 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b66e305d63179b61bf7d221e18faefd949d586cbee179400b0783809d6f80728 [INFO] running `Command { std: "docker" "start" "-a" "b66e305d63179b61bf7d221e18faefd949d586cbee179400b0783809d6f80728", kill_on_drop: false }` [INFO] [stderr] Checking potpack v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `PotPack`, `SizedItem`, `approx_eq` [INFO] [stdout] --> src/lib.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | approx_eq, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 193 | PotPack, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 194 | SizedItem [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `spaces` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lib.rs:155:21 [INFO] [stdout] | [INFO] [stdout] 104 | for (i, space) in spaces.iter().enumerate().rev() { [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 155 | spaces.push(Space { [INFO] [stdout] | ^^^^^^ mutable borrow occurs here [INFO] [stdout] 156 | id: space.id, [INFO] [stdout] | -------- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `spaces` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lib.rs:155:21 [INFO] [stdout] | [INFO] [stdout] 104 | for (i, space) in spaces.iter().enumerate().rev() { [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 155 | spaces.push(Space { [INFO] [stdout] | ^^^^^^ mutable borrow occurs here [INFO] [stdout] 156 | id: space.id, [INFO] [stdout] | -------- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "b66e305d63179b61bf7d221e18faefd949d586cbee179400b0783809d6f80728", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b66e305d63179b61bf7d221e18faefd949d586cbee179400b0783809d6f80728", kill_on_drop: false }` [INFO] [stdout] b66e305d63179b61bf7d221e18faefd949d586cbee179400b0783809d6f80728