[INFO] fetching crate big_number 0.2.0... [INFO] testing big_number-0.2.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate big_number 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate big_number 0.2.0 [INFO] finished tweaking crates.io crate big_number 0.2.0 [INFO] tweaked toml for crates.io crate big_number 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate big_number 0.2.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate big_number 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 550f9bce5da8255a5253fc7ef7a1908722dd8b5bd0d43debeb35037dca1c1cd1 [INFO] running `Command { std: "docker" "start" "-a" "550f9bce5da8255a5253fc7ef7a1908722dd8b5bd0d43debeb35037dca1c1cd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "550f9bce5da8255a5253fc7ef7a1908722dd8b5bd0d43debeb35037dca1c1cd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "550f9bce5da8255a5253fc7ef7a1908722dd8b5bd0d43debeb35037dca1c1cd1", kill_on_drop: false }` [INFO] [stdout] 550f9bce5da8255a5253fc7ef7a1908722dd8b5bd0d43debeb35037dca1c1cd1 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e30a1bc4c7341060ff60323a68993de2d78520f4ec935257f76f1a3dbe2b1cb1 [INFO] running `Command { std: "docker" "start" "-a" "e30a1bc4c7341060ff60323a68993de2d78520f4ec935257f76f1a3dbe2b1cb1", kill_on_drop: false }` [INFO] [stderr] Compiling big_number v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut m = 0.0; [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut e = 1; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | let mut m = 1.0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut e = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "e30a1bc4c7341060ff60323a68993de2d78520f4ec935257f76f1a3dbe2b1cb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e30a1bc4c7341060ff60323a68993de2d78520f4ec935257f76f1a3dbe2b1cb1", kill_on_drop: false }` [INFO] [stdout] e30a1bc4c7341060ff60323a68993de2d78520f4ec935257f76f1a3dbe2b1cb1 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9aa49362dc8e6ccc0158f2da294045224557bbe75e17711d9cde0a4928c920d4 [INFO] running `Command { std: "docker" "start" "-a" "9aa49362dc8e6ccc0158f2da294045224557bbe75e17711d9cde0a4928c920d4", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut m = 0.0; [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut e = 1; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | let mut m = 1.0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut e = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling big_number v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut m = 0.0; [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut e = 1; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | let mut m = 1.0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut e = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "9aa49362dc8e6ccc0158f2da294045224557bbe75e17711d9cde0a4928c920d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9aa49362dc8e6ccc0158f2da294045224557bbe75e17711d9cde0a4928c920d4", kill_on_drop: false }` [INFO] [stdout] 9aa49362dc8e6ccc0158f2da294045224557bbe75e17711d9cde0a4928c920d4 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cb8fd9f83402e4b92558c9d7e68838baadc0ec90acdbb6b96fdd5fc510f8223c [INFO] running `Command { std: "docker" "start" "-a" "cb8fd9f83402e4b92558c9d7e68838baadc0ec90acdbb6b96fdd5fc510f8223c", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let mut m = 0.0; [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let mut e = 1; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | let mut m = 1.0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let mut e = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `big_number` (lib) generated 4 warnings (run `cargo fix --lib -p big_number` to apply 4 suggestions) [INFO] [stderr] warning: `big_number` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/big_number-05bfc9f84eda4c76) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test tests::test_big_representable_number ... ok [INFO] [stdout] test tests::test_division ... ok [INFO] [stdout] test tests::test_one_helper ... ok [INFO] [stdout] test tests::test_multiplication ... ok [INFO] [stdout] test tests::test_overflow_creation ... ok [INFO] [stdout] test tests::test_small_values ... ok [INFO] [stdout] test tests::test_subtraction ... ok [INFO] [stdout] test tests::test_thousands_and_millions ... ok [INFO] [stdout] test tests::test_underflow_creation ... ok [INFO] [stdout] test tests::test_zero_helper ... ok [INFO] [stdout] test tests::test_scientific_after_threshold ... ok [INFO] [stdout] test tests::test_addition ... ok [INFO] [stdout] test tests::test_max_representable_number ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests big_number [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" "cb8fd9f83402e4b92558c9d7e68838baadc0ec90acdbb6b96fdd5fc510f8223c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb8fd9f83402e4b92558c9d7e68838baadc0ec90acdbb6b96fdd5fc510f8223c", kill_on_drop: false }` [INFO] [stdout] cb8fd9f83402e4b92558c9d7e68838baadc0ec90acdbb6b96fdd5fc510f8223c