[INFO] fetching crate potpack 0.1.2... [INFO] testing potpack-0.1.2 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate potpack 0.1.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate potpack 0.1.2 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aea1b107b5528791e366859a0bfcbfc521cbf5deeb1458c582a4e4faa3969c88 [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" "aea1b107b5528791e366859a0bfcbfc521cbf5deeb1458c582a4e4faa3969c88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aea1b107b5528791e366859a0bfcbfc521cbf5deeb1458c582a4e4faa3969c88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aea1b107b5528791e366859a0bfcbfc521cbf5deeb1458c582a4e4faa3969c88", kill_on_drop: false }` [INFO] [stdout] aea1b107b5528791e366859a0bfcbfc521cbf5deeb1458c582a4e4faa3969c88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75b98af9a241e9b5dff4d5affc1d3fa4523e280aa42d22de9594ba62659b5147 [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" "75b98af9a241e9b5dff4d5affc1d3fa4523e280aa42d22de9594ba62659b5147", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "75b98af9a241e9b5dff4d5affc1d3fa4523e280aa42d22de9594ba62659b5147", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75b98af9a241e9b5dff4d5affc1d3fa4523e280aa42d22de9594ba62659b5147", kill_on_drop: false }` [INFO] [stdout] 75b98af9a241e9b5dff4d5affc1d3fa4523e280aa42d22de9594ba62659b5147 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bee9b86df79eaa8e443638ceb58b8b7ef0116431ce97fe92e8e7c9571a3a1ea [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" "5bee9b86df79eaa8e443638ceb58b8b7ef0116431ce97fe92e8e7c9571a3a1ea", kill_on_drop: false }` [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] [stderr] Compiling potpack v0.1.2 (/opt/rustwide/workdir) [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: 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `Command { std: "docker" "inspect" "5bee9b86df79eaa8e443638ceb58b8b7ef0116431ce97fe92e8e7c9571a3a1ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bee9b86df79eaa8e443638ceb58b8b7ef0116431ce97fe92e8e7c9571a3a1ea", kill_on_drop: false }` [INFO] [stdout] 5bee9b86df79eaa8e443638ceb58b8b7ef0116431ce97fe92e8e7c9571a3a1ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8dcf48a11d1d57cdb1b3e51ae78f4a35fa42799e7da9059bb996a0e3151e1dd6 [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" "8dcf48a11d1d57cdb1b3e51ae78f4a35fa42799e7da9059bb996a0e3151e1dd6", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `PotPack`, `SizedItem`, `approx_eq` [INFO] [stderr] --> src/lib.rs:192:9 [INFO] [stderr] | [INFO] [stderr] 192 | approx_eq, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] 193 | PotPack, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 194 | SizedItem [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `spaces` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:155:21 [INFO] [stderr] | [INFO] [stderr] 104 | for (i, space) in spaces.iter().enumerate().rev() { [INFO] [stderr] | ------ immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 155 | spaces.push(Space { [INFO] [stderr] | ^^^^^^ mutable borrow occurs here [INFO] [stderr] 156 | id: space.id, [INFO] [stderr] | -------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `spaces` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:155:21 [INFO] [stderr] | [INFO] [stderr] 104 | for (i, space) in spaces.iter().enumerate().rev() { [INFO] [stderr] | ------ immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 155 | spaces.push(Space { [INFO] [stderr] | ^^^^^^ mutable borrow occurs here [INFO] [stderr] 156 | id: space.id, [INFO] [stderr] | -------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/potpack-d20b9169e6147d13 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_approx_eq ... ok [INFO] [stdout] test tests::test_packing ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests potpack [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8dcf48a11d1d57cdb1b3e51ae78f4a35fa42799e7da9059bb996a0e3151e1dd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dcf48a11d1d57cdb1b3e51ae78f4a35fa42799e7da9059bb996a0e3151e1dd6", kill_on_drop: false }` [INFO] [stdout] 8dcf48a11d1d57cdb1b3e51ae78f4a35fa42799e7da9059bb996a0e3151e1dd6