[INFO] cloning repository https://github.com/smukherjee2016/large_vec_allocation_repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smukherjee2016/large_vec_allocation_repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmukherjee2016%2Flarge_vec_allocation_repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmukherjee2016%2Flarge_vec_allocation_repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb9dcc470847d2f82807c64dc95a22edf4fa9f71
[INFO] checking smukherjee2016/large_vec_allocation_repro against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmukherjee2016%2Flarge_vec_allocation_repro" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/smukherjee2016/large_vec_allocation_repro
[INFO] finished tweaking git repo https://github.com/smukherjee2016/large_vec_allocation_repro
[INFO] tweaked toml for git repo https://github.com/smukherjee2016/large_vec_allocation_repro written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/smukherjee2016/large_vec_allocation_repro on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/smukherjee2016/large_vec_allocation_repro 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" "+987a165cfab916796a8315782b83ac460a651ce2" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking smukherjee2016/large_vec_allocation_repro against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmukherjee2016%2Flarge_vec_allocation_repro" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/smukherjee2016/large_vec_allocation_repro
[INFO] finished tweaking git repo https://github.com/smukherjee2016/large_vec_allocation_repro
[INFO] tweaked toml for git repo https://github.com/smukherjee2016/large_vec_allocation_repro written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/smukherjee2016/large_vec_allocation_repro on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/smukherjee2016/large_vec_allocation_repro 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" "+987a165cfab916796a8315782b83ac460a651ce2" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebd225417cda493da11594ec40473599996e8e7f7b065a0df2565ac8afd61363
[INFO] running `Command { std: "docker" "start" "-a" "ebd225417cda493da11594ec40473599996e8e7f7b065a0df2565ac8afd61363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebd225417cda493da11594ec40473599996e8e7f7b065a0df2565ac8afd61363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd225417cda493da11594ec40473599996e8e7f7b065a0df2565ac8afd61363", kill_on_drop: false }`
[INFO] [stdout] ebd225417cda493da11594ec40473599996e8e7f7b065a0df2565ac8afd61363
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d4e64c39e859d3e5553bb6e81aba79c0e7216ce2a92c616ccc6b3905efbfbf
[INFO] running `Command { std: "docker" "start" "-a" "e7d4e64c39e859d3e5553bb6e81aba79c0e7216ce2a92c616ccc6b3905efbfbf", kill_on_drop: false }`
[INFO] [stderr]     Checking large_vec_allocation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let x : Sobol = Sobol::init();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let x : Sobol = Sobol::init();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sample_a_point` is never used
[INFO] [stdout]  --> src/sampler/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Sampler {
[INFO] [stdout]   |           ------- method in this trait
[INFO] [stdout] 4 |     fn init() -> Self;
[INFO] [stdout] 5 |     fn sample_a_point(&mut self, index: u64, dimension: u64, offset: f64) -> f64;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_dimensions`, `size`, and `matrices` are never read
[INFO] [stdout]  --> src/sampler/sobol.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Matrices {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 4 |     num_dimensions: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     size: u64,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     matrices: Vec<u64>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `m` is never read
[INFO] [stdout]   --> src/sampler/sobol.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Sobol {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 10 |     m: Matrices,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sample_a_point` is never used
[INFO] [stdout]  --> src/sampler/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Sampler {
[INFO] [stdout]   |           ------- method in this trait
[INFO] [stdout] 4 |     fn init() -> Self;
[INFO] [stdout] 5 |     fn sample_a_point(&mut self, index: u64, dimension: u64, offset: f64) -> f64;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_dimensions`, `size`, and `matrices` are never read
[INFO] [stdout]  --> src/sampler/sobol.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Matrices {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 4 |     num_dimensions: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     size: u64,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     matrices: Vec<u64>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `m` is never read
[INFO] [stdout]   --> src/sampler/sobol.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Sobol {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 10 |     m: Matrices,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "e7d4e64c39e859d3e5553bb6e81aba79c0e7216ce2a92c616ccc6b3905efbfbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d4e64c39e859d3e5553bb6e81aba79c0e7216ce2a92c616ccc6b3905efbfbf", kill_on_drop: false }`
[INFO] [stdout] e7d4e64c39e859d3e5553bb6e81aba79c0e7216ce2a92c616ccc6b3905efbfbf