[INFO] cloning repository https://github.com/playXE/garbage-collector [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/playXE/garbage-collector" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fgarbage-collector", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fgarbage-collector'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2972f68c8ed3889bd1b6979aaa37ab395afdb36e [INFO] testing playXE/garbage-collector against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fgarbage-collector" "/workspace/builds/worker-36/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/playXE/garbage-collector on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/playXE/garbage-collector [INFO] finished tweaking git repo https://github.com/playXE/garbage-collector [INFO] tweaked toml for git repo https://github.com/playXE/garbage-collector written to /workspace/builds/worker-36/source/Cargo.toml [INFO] crate git repo https://github.com/playXE/garbage-collector already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bcb6db67b58edc95c0bc418f405ac6552845a55a1da299ce0743f6b8c1d496d [INFO] running `Command { std: "docker" "start" "-a" "5bcb6db67b58edc95c0bc418f405ac6552845a55a1da299ce0743f6b8c1d496d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bcb6db67b58edc95c0bc418f405ac6552845a55a1da299ce0743f6b8c1d496d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bcb6db67b58edc95c0bc418f405ac6552845a55a1da299ce0743f6b8c1d496d", kill_on_drop: false }` [INFO] [stdout] 5bcb6db67b58edc95c0bc418f405ac6552845a55a1da299ce0743f6b8c1d496d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1229b1b8686f5c772d8ef9a0d44080b25335c0fd7729f849513ec3a278dbcb83 [INFO] running `Command { std: "docker" "start" "-a" "1229b1b8686f5c772d8ef9a0d44080b25335c0fd7729f849513ec3a278dbcb83", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.59 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling garbage-collector v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling chrono v0.4.15 [INFO] [stderr] Compiling simple_logger v1.6.0 [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/accounting/card_table.rs:239:14 [INFO] [stdout] | [INFO] [stdout] 239 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/accounting/stack.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/accounting/stack.rs:122:28 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn push(&self, mut val: Ref>) { [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/accounting/stack.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | let mut head = self.head(); [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/accounting/stack.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | let mut prev = *head; [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/accounting/stack.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | let mut head = self.head(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val2` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let val2 = Root::new(XX(43)); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_val2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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 21.30s [INFO] running `Command { std: "docker" "inspect" "1229b1b8686f5c772d8ef9a0d44080b25335c0fd7729f849513ec3a278dbcb83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1229b1b8686f5c772d8ef9a0d44080b25335c0fd7729f849513ec3a278dbcb83", kill_on_drop: false }` [INFO] [stdout] 1229b1b8686f5c772d8ef9a0d44080b25335c0fd7729f849513ec3a278dbcb83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 85ac7b17fa142d4fe450bdb24e303f80f8ac361753bf7390b4610c3f0cf1b4e0 [INFO] running `Command { std: "docker" "start" "-a" "85ac7b17fa142d4fe450bdb24e303f80f8ac361753bf7390b4610c3f0cf1b4e0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling rayon-core v1.8.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling half v1.6.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling oorandom v11.1.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rayon v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/accounting/card_table.rs:239:14 [INFO] [stdout] | [INFO] [stdout] 239 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/accounting/stack.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/accounting/stack.rs:122:28 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn push(&self, mut val: Ref>) { [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/accounting/stack.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | let mut head = self.head(); [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/accounting/stack.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | let mut prev = *head; [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/accounting/stack.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | let mut head = self.head(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling crossbeam-channel v0.4.3 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling bstr v0.2.13 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stderr] Compiling criterion v0.3.3 [INFO] [stderr] Compiling garbage-collector v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `val2` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let val2 = Root::new(XX(43)); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_val2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/accounting/card_table.rs:239:14 [INFO] [stdout] | [INFO] [stdout] 239 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/accounting/stack.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/accounting/stack.rs:122:28 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn push(&self, mut val: Ref>) { [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/accounting/stack.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | let mut head = self.head(); [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/accounting/stack.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | let mut prev = *head; [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/accounting/stack.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | let mut head = self.head(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 30.35s [INFO] running `Command { std: "docker" "inspect" "85ac7b17fa142d4fe450bdb24e303f80f8ac361753bf7390b4610c3f0cf1b4e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85ac7b17fa142d4fe450bdb24e303f80f8ac361753bf7390b4610c3f0cf1b4e0", kill_on_drop: false }` [INFO] [stdout] 85ac7b17fa142d4fe450bdb24e303f80f8ac361753bf7390b4610c3f0cf1b4e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4f8c4684d7a7ac982d5a2ef300e49cfb1d626147ea132d7c6698bf0446ef9b3e [INFO] running `Command { std: "docker" "start" "-a" "4f8c4684d7a7ac982d5a2ef300e49cfb1d626147ea132d7c6698bf0446ef9b3e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/accounting/card_table.rs:239:14 [INFO] [stderr] | [INFO] [stderr] 239 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/accounting/stack.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/accounting/stack.rs:122:28 [INFO] [stderr] | [INFO] [stderr] 122 | pub fn push(&self, mut val: Ref>) { [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/accounting/stack.rs:123:17 [INFO] [stderr] | [INFO] [stderr] 123 | let mut head = self.head(); [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/accounting/stack.rs:125:21 [INFO] [stderr] | [INFO] [stderr] 125 | let mut prev = *head; [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/accounting/stack.rs:136:17 [INFO] [stderr] | [INFO] [stderr] 136 | let mut head = self.head(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `garbage-collector` (lib) generated 6 warnings [INFO] [stderr] warning: unused variable: `val2` [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let val2 = Root::new(XX(43)); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_val2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `garbage-collector` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] warning: `garbage-collector` (bin "garbage-collector" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.67s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/garbage_collector-8e91b849d7b47c28) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test utils::mem::test_is_page_aligned ... ok [INFO] [stdout] test utils::mem::tests::test_fits_i32 ... ok [INFO] [stdout] test utils::mem::tests::test_fits_u8 ... ok [INFO] [stdout] test utils::mem::test_page_align ... ok [INFO] [stdout] test utils::os::test_log2 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/garbage_collector-9069919d34adda9b) [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] Doc-tests garbage-collector [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> /opt/rustwide/workdir/src/accounting/card_table.rs:239:14 [INFO] [stderr] | [INFO] [stderr] 239 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: 1 warning emitted [INFO] [stdout] running 0 tests [INFO] [stderr] [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" "4f8c4684d7a7ac982d5a2ef300e49cfb1d626147ea132d7c6698bf0446ef9b3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f8c4684d7a7ac982d5a2ef300e49cfb1d626147ea132d7c6698bf0446ef9b3e", kill_on_drop: false }` [INFO] [stdout] 4f8c4684d7a7ac982d5a2ef300e49cfb1d626147ea132d7c6698bf0446ef9b3e