[INFO] fetching crate bigmaths 0.0.2... [INFO] testing bigmaths-0.0.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate bigmaths 0.0.2 into /workspace/builds/worker-67/source [INFO] validating manifest of crates.io crate bigmaths 0.0.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bigmaths 0.0.2 [INFO] finished tweaking crates.io crate bigmaths 0.0.2 [INFO] tweaked toml for crates.io crate bigmaths 0.0.2 written to /workspace/builds/worker-67/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7595ef32257cc279d5cda1382639ffbc84b0b0dc8adbcfd1a7dd61224b7d9604 [INFO] running `Command { std: "docker" "start" "-a" "7595ef32257cc279d5cda1382639ffbc84b0b0dc8adbcfd1a7dd61224b7d9604", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7595ef32257cc279d5cda1382639ffbc84b0b0dc8adbcfd1a7dd61224b7d9604", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7595ef32257cc279d5cda1382639ffbc84b0b0dc8adbcfd1a7dd61224b7d9604", kill_on_drop: false }` [INFO] [stdout] 7595ef32257cc279d5cda1382639ffbc84b0b0dc8adbcfd1a7dd61224b7d9604 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0bb7013b72ee0a0fb769a7d1e2484437451c399185603f2dd10989927f5edb85 [INFO] running `Command { std: "docker" "start" "-a" "0bb7013b72ee0a0fb769a7d1e2484437451c399185603f2dd10989927f5edb85", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling bigmaths v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:189:26 [INFO] [stdout] | [INFO] [stdout] 189 | ... let (mut modulus, final_carry) = limb_pairs_iter.fold((Vec::with_capacity(self.len() + 1), false), |(mut limbs, carry), (&self_limb... [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "0bb7013b72ee0a0fb769a7d1e2484437451c399185603f2dd10989927f5edb85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bb7013b72ee0a0fb769a7d1e2484437451c399185603f2dd10989927f5edb85", kill_on_drop: false }` [INFO] [stdout] 0bb7013b72ee0a0fb769a7d1e2484437451c399185603f2dd10989927f5edb85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42c210adedaed02c41d179cfcc0641648ac7826ba28a1ed49c5c05a82fbc9dea [INFO] running `Command { std: "docker" "start" "-a" "42c210adedaed02c41d179cfcc0641648ac7826ba28a1ed49c5c05a82fbc9dea", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:189:26 [INFO] [stdout] | [INFO] [stdout] 189 | ... let (mut modulus, final_carry) = limb_pairs_iter.fold((Vec::with_capacity(self.len() + 1), false), |(mut limbs, carry), (&self_limb... [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bigmaths v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:189:26 [INFO] [stdout] | [INFO] [stdout] 189 | ... let (mut modulus, final_carry) = limb_pairs_iter.fold((Vec::with_capacity(self.len() + 1), false), |(mut limbs, carry), (&self_limb... [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "42c210adedaed02c41d179cfcc0641648ac7826ba28a1ed49c5c05a82fbc9dea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42c210adedaed02c41d179cfcc0641648ac7826ba28a1ed49c5c05a82fbc9dea", kill_on_drop: false }` [INFO] [stdout] 42c210adedaed02c41d179cfcc0641648ac7826ba28a1ed49c5c05a82fbc9dea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 86909c161826e66eb9067cf5d8d3c76dfa6801685f4b79db7a5fa0bca613d7e5 [INFO] running `Command { std: "docker" "start" "-a" "86909c161826e66eb9067cf5d8d3c76dfa6801685f4b79db7a5fa0bca613d7e5", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:189:26 [INFO] [stderr] | [INFO] [stderr] 189 | ... let (mut modulus, final_carry) = limb_pairs_iter.fold((Vec::with_capacity(self.len() + 1), false), |(mut limbs, carry), (&self_limb... [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `bigmaths` (lib) generated 1 warning [INFO] [stderr] warning: `bigmaths` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bigmaths-c34c0ec3abdbcdbf) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test tests::bigint_add_big_pos_and_neg ... ok [INFO] [stdout] test tests::bigint_add_big_two_neg ... ok [INFO] [stdout] test tests::bigint_add_big_two_pos ... ok [INFO] [stdout] test tests::bigint_add_little_pos_and_neg ... ok [INFO] [stdout] test tests::bigint_add_little_two_neg ... ok [INFO] [stdout] test tests::bigint_add_little_two_pos ... ok [INFO] [stdout] test tests::bigint_from_and_to_isize ... ok [INFO] [stdout] test tests::bigint_from_max_isize ... ok [INFO] [stdout] test tests::bigint_from_min_isize ... ok [INFO] [stdout] test tests::bigint_from_negative_isize ... ok [INFO] [stdout] test tests::bigint_from_positive_isize ... ok [INFO] [stdout] test tests::bigint_from_zero_isize ... ok [INFO] [stdout] test tests::bigint_sub_big_pos_and_neg ... ok [INFO] [stdout] test tests::bigint_sub_big_two_neg ... ok [INFO] [stdout] test tests::bigint_sub_big_two_pos ... ok [INFO] [stdout] test tests::bigint_sub_little_pos_and_neg ... ok [INFO] [stdout] test tests::bigint_sub_little_two_neg ... ok [INFO] [stdout] test tests::bigint_sub_little_two_pos ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests bigmaths [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "86909c161826e66eb9067cf5d8d3c76dfa6801685f4b79db7a5fa0bca613d7e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86909c161826e66eb9067cf5d8d3c76dfa6801685f4b79db7a5fa0bca613d7e5", kill_on_drop: false }` [INFO] [stdout] 86909c161826e66eb9067cf5d8d3c76dfa6801685f4b79db7a5fa0bca613d7e5