[INFO] cloning repository https://github.com/kvinwang/gramine-bug-report-mem-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kvinwang/gramine-bug-report-mem-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvinwang%2Fgramine-bug-report-mem-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvinwang%2Fgramine-bug-report-mem-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83c1033527f5e55b168f036cd1b06cf4a959d214
[INFO] building kvinwang/gramine-bug-report-mem-test against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvinwang%2Fgramine-bug-report-mem-test" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kvinwang/gramine-bug-report-mem-test on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kvinwang/gramine-bug-report-mem-test
[INFO] finished tweaking git repo https://github.com/kvinwang/gramine-bug-report-mem-test
[INFO] tweaked toml for git repo https://github.com/kvinwang/gramine-bug-report-mem-test written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kvinwang/gramine-bug-report-mem-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c096a08dcee8aed56bb56b07b6d14159b43f2e4069103afe770f816804d5c6e6
[INFO] running `Command { std: "docker" "start" "-a" "c096a08dcee8aed56bb56b07b6d14159b43f2e4069103afe770f816804d5c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c096a08dcee8aed56bb56b07b6d14159b43f2e4069103afe770f816804d5c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c096a08dcee8aed56bb56b07b6d14159b43f2e4069103afe770f816804d5c6e6", kill_on_drop: false }`
[INFO] [stdout] c096a08dcee8aed56bb56b07b6d14159b43f2e4069103afe770f816804d5c6e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35661aa7e2f4fe0e5299ab71fd7a48264ab3e0300310b851ec884cd280c9179e
[INFO] running `Command { std: "docker" "start" "-a" "35661aa7e2f4fe0e5299ab71fd7a48264ab3e0300310b851ec884cd280c9179e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.30
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling mimalloc v0.1.34
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mem-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `current_used` is never read
[INFO] [stdout]   --> src/allocator.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Stats {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 12 |     /// The current heap usage of the allocator.
[INFO] [stdout] 13 |     pub current_used: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "35661aa7e2f4fe0e5299ab71fd7a48264ab3e0300310b851ec884cd280c9179e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35661aa7e2f4fe0e5299ab71fd7a48264ab3e0300310b851ec884cd280c9179e", kill_on_drop: false }`
[INFO] [stdout] 35661aa7e2f4fe0e5299ab71fd7a48264ab3e0300310b851ec884cd280c9179e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56c03bb1b7086f804a3e9ef5a56ec7fc33bb54627ea0195ed67be3612c5c83b5
[INFO] running `Command { std: "docker" "start" "-a" "56c03bb1b7086f804a3e9ef5a56ec7fc33bb54627ea0195ed67be3612c5c83b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mem-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `current_used` is never read
[INFO] [stdout]   --> src/allocator.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Stats {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 12 |     /// The current heap usage of the allocator.
[INFO] [stdout] 13 |     pub current_used: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "56c03bb1b7086f804a3e9ef5a56ec7fc33bb54627ea0195ed67be3612c5c83b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c03bb1b7086f804a3e9ef5a56ec7fc33bb54627ea0195ed67be3612c5c83b5", kill_on_drop: false }`
[INFO] [stdout] 56c03bb1b7086f804a3e9ef5a56ec7fc33bb54627ea0195ed67be3612c5c83b5