[INFO] cloning repository https://github.com/jonahf0/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/jonahf0/mem_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonahf0%2Fmem_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonahf0%2Fmem_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f2d617dbde04cbb471c4fadf831e3683b801671
[INFO] checking jonahf0/mem_test against try#89681135fd92d7dee32c3e562b052ee82f97008c for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonahf0%2Fmem_test" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonahf0/mem_test on toolchain 89681135fd92d7dee32c3e562b052ee82f97008c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jonahf0/mem_test
[INFO] finished tweaking git repo https://github.com/jonahf0/mem_test
[INFO] tweaked toml for git repo https://github.com/jonahf0/mem_test written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jonahf0/mem_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27114812ef7839fac9b3966ad3d3d2833a6ae3257dbe5fa0f1622bc74aec2a7c
[INFO] running `Command { std: "docker" "start" "-a" "27114812ef7839fac9b3966ad3d3d2833a6ae3257dbe5fa0f1622bc74aec2a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27114812ef7839fac9b3966ad3d3d2833a6ae3257dbe5fa0f1622bc74aec2a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27114812ef7839fac9b3966ad3d3d2833a6ae3257dbe5fa0f1622bc74aec2a7c", kill_on_drop: false }`
[INFO] [stdout] 27114812ef7839fac9b3966ad3d3d2833a6ae3257dbe5fa0f1622bc74aec2a7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8af6386aeb8d65e7f72ac9a791a1bd387bd9b6e570320594987e994ac9b75bc1
[INFO] running `Command { std: "docker" "start" "-a" "8af6386aeb8d65e7f72ac9a791a1bd387bd9b6e570320594987e994ac9b75bc1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mem_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]   --> src/main.rs:63:14
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Some(location) => println!("writing to file not currently implemented!"),//write_to_file(mem_info, location),
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_location`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]   --> src/main.rs:63:14
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Some(location) => println!("writing to file not currently implemented!"),//write_to_file(mem_info, location),
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_location`
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.25s
[INFO] running `Command { std: "docker" "inspect" "8af6386aeb8d65e7f72ac9a791a1bd387bd9b6e570320594987e994ac9b75bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af6386aeb8d65e7f72ac9a791a1bd387bd9b6e570320594987e994ac9b75bc1", kill_on_drop: false }`
[INFO] [stdout] 8af6386aeb8d65e7f72ac9a791a1bd387bd9b6e570320594987e994ac9b75bc1