[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] building velvia/rust-alloc-test against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044-2 [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 f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ryu v1.0.5 [INFO] [stderr] Downloaded nested v0.1.1 [INFO] [stderr] Downloaded thousands v0.2.0 [INFO] [stderr] Downloaded paste-impl v0.1.18 [INFO] [stderr] Downloaded jemalloc-ctl v0.3.3 [INFO] [stderr] Downloaded deepsize v0.2.0 [INFO] [stderr] Downloaded addr2line v0.14.1 [INFO] [stderr] Downloaded fs_extra v1.2.0 [INFO] [stderr] Downloaded miniz_oxide v0.4.4 [INFO] [stderr] Downloaded backtrace v0.3.56 [INFO] [stderr] Downloaded json v0.12.4 [INFO] [stderr] Downloaded serde v1.0.125 [INFO] [stderr] Downloaded cc v1.0.67 [INFO] [stderr] Downloaded object v0.23.0 [INFO] [stderr] Downloaded serde_derive v1.0.125 [INFO] [stderr] Downloaded syn v1.0.67 [INFO] [stderr] Downloaded serde_json v1.0.64 [INFO] [stderr] Downloaded autocfg v1.0.1 [INFO] [stderr] Downloaded rustc-demangle v0.1.18 [INFO] [stderr] Downloaded proc-macro-hack v0.5.19 [INFO] [stderr] Downloaded paste v0.1.18 [INFO] [stderr] Downloaded proc-macro2 v1.0.24 [INFO] [stderr] Downloaded quote v1.0.9 [INFO] [stderr] Downloaded jemallocator v0.3.2 [INFO] [stderr] Downloaded libc v0.2.92 [INFO] [stderr] Downloaded itoa v0.4.7 [INFO] [stderr] Downloaded gimli v0.23.0 [INFO] [stderr] Downloaded jemalloc-sys v0.3.2 [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ab9b80bd8accca397a404fa041bafecb637e381b189d3b44731806c889f8d1f [INFO] running `Command { std: "docker" "start" "-a" "7ab9b80bd8accca397a404fa041bafecb637e381b189d3b44731806c889f8d1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ab9b80bd8accca397a404fa041bafecb637e381b189d3b44731806c889f8d1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ab9b80bd8accca397a404fa041bafecb637e381b189d3b44731806c889f8d1f", kill_on_drop: false }` [INFO] [stdout] 7ab9b80bd8accca397a404fa041bafecb637e381b189d3b44731806c889f8d1f [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c04159fedd9046784d157757a581ba2aa28068cfb06b99323115f396e006906 [INFO] running `Command { std: "docker" "start" "-a" "1c04159fedd9046784d157757a581ba2aa28068cfb06b99323115f396e006906", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling object v0.23.0 [INFO] [stderr] Compiling thousands v0.2.0 [INFO] [stderr] Compiling nested v0.1.1 [INFO] [stderr] Compiling json v0.12.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Compiling paste v0.1.18 [INFO] [stderr] Compiling deepsize_derive v0.1.1 [INFO] [stderr] Compiling addr2line v0.14.1 [INFO] [stderr] Compiling deepsize v0.2.0 [INFO] [stderr] Compiling backtrace v0.3.56 [INFO] [stderr] Compiling dhat v0.2.2 [INFO] [stderr] Compiling jemalloc-ctl v0.3.3 [INFO] [stderr] Compiling jemallocator v0.3.2 [INFO] [stderr] Compiling 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.23s [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 2` [INFO] running `Command { std: "docker" "inspect" "1c04159fedd9046784d157757a581ba2aa28068cfb06b99323115f396e006906", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c04159fedd9046784d157757a581ba2aa28068cfb06b99323115f396e006906", kill_on_drop: false }` [INFO] [stdout] 1c04159fedd9046784d157757a581ba2aa28068cfb06b99323115f396e006906 [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e808eb1c917a464d786b4566fb56ee2d244334743dfd7e75083041f68f73a64 [INFO] running `Command { std: "docker" "start" "-a" "6e808eb1c917a464d786b4566fb56ee2d244334743dfd7e75083041f68f73a64", kill_on_drop: false }` [INFO] [stderr] Compiling 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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s [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 2` [INFO] running `Command { std: "docker" "inspect" "6e808eb1c917a464d786b4566fb56ee2d244334743dfd7e75083041f68f73a64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e808eb1c917a464d786b4566fb56ee2d244334743dfd7e75083041f68f73a64", kill_on_drop: false }` [INFO] [stdout] 6e808eb1c917a464d786b4566fb56ee2d244334743dfd7e75083041f68f73a64