[INFO] cloning repository https://github.com/velvia/rust-alloc-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/velvia/rust-alloc-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvelvia%2Frust-alloc-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvelvia%2Frust-alloc-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c3c8d612fdd951f89088f84f44a953b207fade10 [INFO] checking velvia/rust-alloc-test against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-138676 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvelvia%2Frust-alloc-test" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/velvia/rust-alloc-test on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/velvia/rust-alloc-test [INFO] finished tweaking git repo https://github.com/velvia/rust-alloc-test [INFO] tweaked toml for git repo https://github.com/velvia/rust-alloc-test written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/velvia/rust-alloc-test 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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nested v0.1.1 [INFO] [stderr] Downloaded deepsize_derive v0.1.1 [INFO] [stderr] Downloaded dhat v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65376dd42beba2cc526ae4f517fca244dd389777d439efba7992254cd9131d84 [INFO] running `Command { std: "docker" "start" "-a" "65376dd42beba2cc526ae4f517fca244dd389777d439efba7992254cd9131d84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65376dd42beba2cc526ae4f517fca244dd389777d439efba7992254cd9131d84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65376dd42beba2cc526ae4f517fca244dd389777d439efba7992254cd9131d84", kill_on_drop: false }` [INFO] [stdout] 65376dd42beba2cc526ae4f517fca244dd389777d439efba7992254cd9131d84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6cbf04b5598e1ac827a508ec1d2e4e0c6183a661f3aeaca1edcdbbf8e0444434 [INFO] running `Command { std: "docker" "start" "-a" "6cbf04b5598e1ac827a508ec1d2e4e0c6183a661f3aeaca1edcdbbf8e0444434", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking thousands v0.2.0 [INFO] [stderr] Checking nested v0.1.1 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Compiling deepsize_derive v0.1.1 [INFO] [stderr] Checking deepsize v0.2.0 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Checking dhat v0.2.2 [INFO] [stderr] Checking jemallocator v0.3.2 [INFO] [stderr] Checking jemalloc-ctl v0.3.3 [INFO] [stderr] Checking rust-alloc-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let mut stat = stats.get_mut(key).unwrap(); [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/main.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | let mut stat = stats.get_mut(key).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NUM_STRINGS` is never used [INFO] [stdout] --> src/main.rs:45:7 [INFO] [stdout] | [INFO] [stdout] 45 | const NUM_STRINGS: usize = 50000; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BASE_STRING` is never used [INFO] [stdout] --> src/main.rs:46:7 [INFO] [stdout] | [INFO] [stdout] 46 | const BASE_STRING: &str = "foobar"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SomeStrings` is never constructed [INFO] [stdout] --> src/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct SomeStrings { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compare_string_storage` is never used [INFO] [stdout] --> src/main.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn compare_string_storage() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inner_serde_json_parse` is never used [INFO] [stdout] --> src/main.rs:92:4 [INFO] [stdout] | [INFO] [stdout] 92 | fn inner_serde_json_parse(v: &Value, stats: &mut HashMap) -> SJResult<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serde_json_line_process` is never used [INFO] [stdout] --> src/main.rs:145:4 [INFO] [stdout] | [INFO] [stdout] 145 | fn serde_json_line_process(line: &str, stats: &mut HashMap) -> SJResult<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let mut stat = stats.get_mut(key).unwrap(); [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/main.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | let mut stat = stats.get_mut(key).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NUM_STRINGS` is never used [INFO] [stdout] --> src/main.rs:45:7 [INFO] [stdout] | [INFO] [stdout] 45 | const NUM_STRINGS: usize = 50000; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BASE_STRING` is never used [INFO] [stdout] --> src/main.rs:46:7 [INFO] [stdout] | [INFO] [stdout] 46 | const BASE_STRING: &str = "foobar"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SomeStrings` is never constructed [INFO] [stdout] --> src/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct SomeStrings { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compare_string_storage` is never used [INFO] [stdout] --> src/main.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn compare_string_storage() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inner_serde_json_parse` is never used [INFO] [stdout] --> src/main.rs:92:4 [INFO] [stdout] | [INFO] [stdout] 92 | fn inner_serde_json_parse(v: &Value, stats: &mut HashMap) -> SJResult<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serde_json_line_process` is never used [INFO] [stdout] --> src/main.rs:145:4 [INFO] [stdout] | [INFO] [stdout] 145 | fn serde_json_line_process(line: &str, stats: &mut HashMap) -> SJResult<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 00s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "6cbf04b5598e1ac827a508ec1d2e4e0c6183a661f3aeaca1edcdbbf8e0444434", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cbf04b5598e1ac827a508ec1d2e4e0c6183a661f3aeaca1edcdbbf8e0444434", kill_on_drop: false }` [INFO] [stdout] 6cbf04b5598e1ac827a508ec1d2e4e0c6183a661f3aeaca1edcdbbf8e0444434