[INFO] fetching crate weighted_random_list 0.1.1... [INFO] testing weighted_random_list-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate weighted_random_list 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate weighted_random_list 0.1.1 [INFO] finished tweaking crates.io crate weighted_random_list 0.1.1 [INFO] tweaked toml for crates.io crate weighted_random_list 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate weighted_random_list 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] [stderr] Adding rand v0.6.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b4d8b8bcd5182900a6bbfc1e8eb7bfe405c4dc26b575c58959b951831884135 [INFO] running `Command { std: "docker" "start" "-a" "3b4d8b8bcd5182900a6bbfc1e8eb7bfe405c4dc26b575c58959b951831884135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b4d8b8bcd5182900a6bbfc1e8eb7bfe405c4dc26b575c58959b951831884135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4d8b8bcd5182900a6bbfc1e8eb7bfe405c4dc26b575c58959b951831884135", kill_on_drop: false }` [INFO] [stdout] 3b4d8b8bcd5182900a6bbfc1e8eb7bfe405c4dc26b575c58959b951831884135 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a36833b031528cefe271b14536a221309f1d7a57f26a608ef64b71f117596e8 [INFO] running `Command { std: "docker" "start" "-a" "7a36833b031528cefe271b14536a221309f1d7a57f26a608ef64b71f117596e8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling weighted_random_list v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:124:24 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn entry_first(&mut self, needle: &T) -> Entry { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 124 | pub fn entry_first(&mut self, needle: &T) -> Entry<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.51s [INFO] running `Command { std: "docker" "inspect" "7a36833b031528cefe271b14536a221309f1d7a57f26a608ef64b71f117596e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a36833b031528cefe271b14536a221309f1d7a57f26a608ef64b71f117596e8", kill_on_drop: false }` [INFO] [stdout] 7a36833b031528cefe271b14536a221309f1d7a57f26a608ef64b71f117596e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7312b23a730e0babf2f255fe3fca80bcc6e765c0b2e81ae7b10c50cc066f3da5 [INFO] running `Command { std: "docker" "start" "-a" "7312b23a730e0babf2f255fe3fca80bcc6e765c0b2e81ae7b10c50cc066f3da5", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:124:24 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn entry_first(&mut self, needle: &T) -> Entry { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 124 | pub fn entry_first(&mut self, needle: &T) -> Entry<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling weighted_random_list v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:124:24 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn entry_first(&mut self, needle: &T) -> Entry { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 124 | pub fn entry_first(&mut self, needle: &T) -> Entry<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "7312b23a730e0babf2f255fe3fca80bcc6e765c0b2e81ae7b10c50cc066f3da5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7312b23a730e0babf2f255fe3fca80bcc6e765c0b2e81ae7b10c50cc066f3da5", kill_on_drop: false }` [INFO] [stdout] 7312b23a730e0babf2f255fe3fca80bcc6e765c0b2e81ae7b10c50cc066f3da5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2733a6e91b19b38979e64a0b44c7e690d3e54942e0200ac884833c216c5fa268 [INFO] running `Command { std: "docker" "start" "-a" "2733a6e91b19b38979e64a0b44c7e690d3e54942e0200ac884833c216c5fa268", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:124:24 [INFO] [stderr] | [INFO] [stderr] 124 | pub fn entry_first(&mut self, needle: &T) -> Entry { [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 124 | pub fn entry_first(&mut self, needle: &T) -> Entry<'_, T> { [INFO] [stdout] [INFO] [stderr] | +++ [INFO] [stdout] running 8 tests [INFO] [stderr] [INFO] [stdout] test tests::collect ... ok [INFO] [stderr] warning: `weighted_random_list` (lib) generated 1 warning (run `cargo fix --lib -p weighted_random_list` to apply 1 suggestion) [INFO] [stdout] test tests::delete_end ... ok [INFO] [stderr] warning: `weighted_random_list` (lib test) generated 1 warning (1 duplicate) [INFO] [stdout] test tests::delete_last ... ok [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] test tests::delete_not_found ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/weighted_random_list-19262eacfb5327cd) [INFO] [stdout] test tests::delete_mid ... ok [INFO] [stdout] test tests::modify_weight ... ok [INFO] [stdout] test tests::simple_inserts ... ok [INFO] [stdout] test tests::or_insert ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests weighted_random_list [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/lib.rs - Entry<'container,T>::delete (line 210) ... ok [INFO] [stdout] test src/lib.rs - Entry<'container,T>::or_insert_with_weight (line 182) ... ok [INFO] [stdout] test src/lib.rs - Entry<'container,T>::set_weight (line 155) ... ok [INFO] [stdout] test src/lib.rs - WeightedRandomList::entry_first (line 118) ... ok [INFO] [stdout] test src/lib.rs - WeightedRandomList::get_random (line 68) ... ok [INFO] [stdout] test src/lib.rs - WeightedRandomList (line 99) ... ok [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2733a6e91b19b38979e64a0b44c7e690d3e54942e0200ac884833c216c5fa268", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2733a6e91b19b38979e64a0b44c7e690d3e54942e0200ac884833c216c5fa268", kill_on_drop: false }` [INFO] [stdout] 2733a6e91b19b38979e64a0b44c7e690d3e54942e0200ac884833c216c5fa268