[INFO] fetching crate mascheroni 0.2.0... [INFO] testing mascheroni-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate mascheroni 0.2.0 into /workspace/builds/worker-84/source [INFO] validating manifest of crates.io crate mascheroni 0.2.0 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 mascheroni 0.2.0 [INFO] finished tweaking crates.io crate mascheroni 0.2.0 [INFO] tweaked toml for crates.io crate mascheroni 0.2.0 written to /workspace/builds/worker-84/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] 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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 7545964648b96fb8c967ff2f93d842294c4480b3cd2db8aafcfdca794bce1b34 [INFO] running `Command { std: "docker" "start" "-a" "7545964648b96fb8c967ff2f93d842294c4480b3cd2db8aafcfdca794bce1b34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7545964648b96fb8c967ff2f93d842294c4480b3cd2db8aafcfdca794bce1b34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7545964648b96fb8c967ff2f93d842294c4480b3cd2db8aafcfdca794bce1b34", kill_on_drop: false }` [INFO] [stdout] 7545964648b96fb8c967ff2f93d842294c4480b3cd2db8aafcfdca794bce1b34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] f933c3bdc05d56b6c4a8164d9c9ccb6f7869cdf9bee2aed9a4ce353d6bfb38c0 [INFO] running `Command { std: "docker" "start" "-a" "f933c3bdc05d56b6c4a8164d9c9ccb6f7869cdf9bee2aed9a4ce353d6bfb38c0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling mascheroni v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ret` [INFO] [stdout] --> src/lib.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut ret: u64 = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ret` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut ret: u64 = 0; [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: `test_is_not_palindrome` [INFO] [stdout] --> src/lib.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn test_is_not_palindrome() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:113:32 [INFO] [stdout] | [INFO] [stdout] 113 | assert!(is_palindrome(71), false); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 113 | assert!(is_palindrome(71), "{}", false); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "f933c3bdc05d56b6c4a8164d9c9ccb6f7869cdf9bee2aed9a4ce353d6bfb38c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f933c3bdc05d56b6c4a8164d9c9ccb6f7869cdf9bee2aed9a4ce353d6bfb38c0", kill_on_drop: false }` [INFO] [stdout] f933c3bdc05d56b6c4a8164d9c9ccb6f7869cdf9bee2aed9a4ce353d6bfb38c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] bda2c4278dc1cb57d6900738ec5b03893a3c5a8609e271976f0b35048fe9a124 [INFO] running `Command { std: "docker" "start" "-a" "bda2c4278dc1cb57d6900738ec5b03893a3c5a8609e271976f0b35048fe9a124", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `ret` [INFO] [stdout] --> src/lib.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut ret: u64 = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ret` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mascheroni v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut ret: u64 = 0; [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: `test_is_not_palindrome` [INFO] [stdout] --> src/lib.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn test_is_not_palindrome() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:113:32 [INFO] [stdout] | [INFO] [stdout] 113 | assert!(is_palindrome(71), false); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 113 | assert!(is_palindrome(71), "{}", false); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ret` [INFO] [stdout] --> src/lib.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut ret: u64 = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ret` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut ret: u64 = 0; [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: `test_is_not_palindrome` [INFO] [stdout] --> src/lib.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn test_is_not_palindrome() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:113:32 [INFO] [stdout] | [INFO] [stdout] 113 | assert!(is_palindrome(71), false); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 113 | assert!(is_palindrome(71), "{}", false); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:118:37 [INFO] [stdout] | [INFO] [stdout] 118 | assert!(is_palindrome(1001001), true); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 118 | assert!(is_palindrome(1001001), "{}", true); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "bda2c4278dc1cb57d6900738ec5b03893a3c5a8609e271976f0b35048fe9a124", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bda2c4278dc1cb57d6900738ec5b03893a3c5a8609e271976f0b35048fe9a124", kill_on_drop: false }` [INFO] [stdout] bda2c4278dc1cb57d6900738ec5b03893a3c5a8609e271976f0b35048fe9a124 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] ac614e017e61e681f6ebc451cf42b1b939e0b2b7883dceb853882e88c3c49553 [INFO] running `Command { std: "docker" "start" "-a" "ac614e017e61e681f6ebc451cf42b1b939e0b2b7883dceb853882e88c3c49553", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `ret` [INFO] [stderr] --> src/lib.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | let mut ret: u64 = 0; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_ret` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut ret: u64 = 0; [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: `test_is_not_palindrome` [INFO] [stderr] --> src/lib.rs:112:4 [INFO] [stderr] | [INFO] [stderr] 112 | fn test_is_not_palindrome() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:113:32 [INFO] [stderr] | [INFO] [stderr] 113 | assert!(is_palindrome(71), false); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 113 | assert!(is_palindrome(71), "{}", false); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: `mascheroni` (lib) generated 4 warnings [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:118:37 [INFO] [stderr] | [INFO] [stderr] 118 | assert!(is_palindrome(1001001), true); [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 118 | assert!(is_palindrome(1001001), "{}", true); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: `mascheroni` (lib test) generated 5 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mascheroni-e0aad78951fc7035) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_is_palindrome ... ok [INFO] [stdout] test test_string2u64 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests mascheroni [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" "ac614e017e61e681f6ebc451cf42b1b939e0b2b7883dceb853882e88c3c49553", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac614e017e61e681f6ebc451cf42b1b939e0b2b7883dceb853882e88c3c49553", kill_on_drop: false }` [INFO] [stdout] ac614e017e61e681f6ebc451cf42b1b939e0b2b7883dceb853882e88c3c49553