[INFO] fetching crate gpw 0.1.0... [INFO] testing gpw-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] extracting crate gpw 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate gpw 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate gpw 0.1.0 [INFO] finished tweaking crates.io crate gpw 0.1.0 [INFO] tweaked toml for crates.io crate gpw 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 01b8904904acf4db17ceea92103b01d54ca5cfe2dfd74ccecf10b400a6b3239c [INFO] running `Command { std: "docker" "start" "-a" "01b8904904acf4db17ceea92103b01d54ca5cfe2dfd74ccecf10b400a6b3239c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01b8904904acf4db17ceea92103b01d54ca5cfe2dfd74ccecf10b400a6b3239c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01b8904904acf4db17ceea92103b01d54ca5cfe2dfd74ccecf10b400a6b3239c", kill_on_drop: false }` [INFO] [stdout] 01b8904904acf4db17ceea92103b01d54ca5cfe2dfd74ccecf10b400a6b3239c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e65632959095184ca6693f664e8f4b644b7c7792a5aab8d9a4d5b25acb7dc0c5 [INFO] running `Command { std: "docker" "start" "-a" "e65632959095184ca6693f664e8f4b644b7c7792a5aab8d9a4d5b25acb7dc0c5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Compiling ndarray v0.12.1 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling gpw v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/lib.rs:88:15 [INFO] [stdout] | [INFO] [stdout] 88 | while (nchar < LENGTH) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let mut retval = PasswordGenerator { [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.10s [INFO] running `Command { std: "docker" "inspect" "e65632959095184ca6693f664e8f4b644b7c7792a5aab8d9a4d5b25acb7dc0c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e65632959095184ca6693f664e8f4b644b7c7792a5aab8d9a4d5b25acb7dc0c5", kill_on_drop: false }` [INFO] [stdout] e65632959095184ca6693f664e8f4b644b7c7792a5aab8d9a4d5b25acb7dc0c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ee7c13fb7a27fa4e2876e761be43d2654cdfc923598e1e23741ae6b9a9e4b32f [INFO] running `Command { std: "docker" "start" "-a" "ee7c13fb7a27fa4e2876e761be43d2654cdfc923598e1e23741ae6b9a9e4b32f", kill_on_drop: false }` [INFO] [stderr] Compiling gpw v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/lib.rs:88:15 [INFO] [stdout] | [INFO] [stdout] 88 | while (nchar < LENGTH) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let mut retval = PasswordGenerator { [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/lib.rs:88:15 [INFO] [stdout] | [INFO] [stdout] 88 | while (nchar < LENGTH) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let mut retval = PasswordGenerator { [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: function is never used: `empty_trigram_file` [INFO] [stdout] --> src/trigram.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | fn empty_trigram_file() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.24s [INFO] running `Command { std: "docker" "inspect" "ee7c13fb7a27fa4e2876e761be43d2654cdfc923598e1e23741ae6b9a9e4b32f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee7c13fb7a27fa4e2876e761be43d2654cdfc923598e1e23741ae6b9a9e4b32f", kill_on_drop: false }` [INFO] [stdout] ee7c13fb7a27fa4e2876e761be43d2654cdfc923598e1e23741ae6b9a9e4b32f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 74d54a4322b97e2ae5ce19b7d40f651629753ea7addc41258246cc057b6de29e [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" "74d54a4322b97e2ae5ce19b7d40f651629753ea7addc41258246cc057b6de29e", kill_on_drop: false }` [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `while` condition [INFO] [stderr] --> src/lib.rs:88:15 [INFO] [stderr] | [INFO] [stderr] 88 | while (nchar < LENGTH) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:39:13 [INFO] [stderr] | [INFO] [stderr] 39 | let mut retval = PasswordGenerator { [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: function is never used: `empty_trigram_file` [INFO] [stderr] --> src/trigram.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | fn empty_trigram_file() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `gpw` (lib) generated 3 warnings [INFO] [stderr] warning: `gpw` (lib test) generated 4 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/gpw-d56a9a6149bb7a41) [INFO] [stdout] running 2 tests [INFO] [stdout] test trigram::tests::it_works ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests gpw [INFO] [stderr] warning: unnecessary parentheses around `while` condition [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:88:15 [INFO] [stderr] | [INFO] [stderr] 88 | while (nchar < LENGTH) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [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] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] running `Command { std: "docker" "inspect" "74d54a4322b97e2ae5ce19b7d40f651629753ea7addc41258246cc057b6de29e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74d54a4322b97e2ae5ce19b7d40f651629753ea7addc41258246cc057b6de29e", kill_on_drop: false }` [INFO] [stdout] 74d54a4322b97e2ae5ce19b7d40f651629753ea7addc41258246cc057b6de29e