[INFO] cloning repository https://github.com/taejuk/ssd-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taejuk/ssd-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaejuk%2Fssd-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaejuk%2Fssd-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34596d78cb7408eb11eeb33b73bef2903de3fa2f
[INFO] checking taejuk/ssd-rs against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaejuk%2Fssd-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/taejuk/ssd-rs
[INFO] finished tweaking git repo https://github.com/taejuk/ssd-rs
[INFO] tweaked toml for git repo https://github.com/taejuk/ssd-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/taejuk/ssd-rs on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/taejuk/ssd-rs 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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.35
[INFO] [stderr]   Downloaded zerocopy v0.8.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e91279fee6849a3af9b03dac04f8bfea80ff911cd6acb48602f7f15e71c9cb13
[INFO] running `Command { std: "docker" "start" "-a" "e91279fee6849a3af9b03dac04f8bfea80ff911cd6acb48602f7f15e71c9cb13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e91279fee6849a3af9b03dac04f8bfea80ff911cd6acb48602f7f15e71c9cb13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91279fee6849a3af9b03dac04f8bfea80ff911cd6acb48602f7f15e71c9cb13", kill_on_drop: false }`
[INFO] [stdout] e91279fee6849a3af9b03dac04f8bfea80ff911cd6acb48602f7f15e71c9cb13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6d1a1541f4f87e7d3a934c61f61e198a50510829dce0eeef15153d1f03c5c54
[INFO] running `Command { std: "docker" "start" "-a" "e6d1a1541f4f87e7d3a934c61f61e198a50510829dce0eeef15153d1f03c5c54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling zerocopy v0.8.35
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking ssd-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `trace` and `warn`
[INFO] [stdout]  --> src/ssd_basic.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, debug, warn, trace};
[INFO] [stdout]   |                        ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trace` and `warn`
[INFO] [stdout]  --> src/ssd_wear_leveling.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, debug, warn, trace};
[INFO] [stdout]   |                        ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trace` and `warn`
[INFO] [stdout]  --> src/ssd_multi_stream.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, debug, warn, trace};
[INFO] [stdout]   |                        ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trace` and `warn`
[INFO] [stdout]  --> src/ssd_basic.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, debug, warn, trace};
[INFO] [stdout]   |                        ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trace` and `warn`
[INFO] [stdout]  --> src/ssd_wear_leveling.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, debug, warn, trace};
[INFO] [stdout]   |                        ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trace` and `warn`
[INFO] [stdout]  --> src/ssd_multi_stream.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, debug, warn, trace};
[INFO] [stdout]   |                        ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/mapping.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut count = 0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> src/mapping.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 count += 1;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `gap_threshold` is never read
[INFO] [stdout]   --> src/ssd_basic.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct SSD {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     gap_threshold: u32
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/mapping.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut count = 0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> src/mapping.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 count += 1;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `gap_threshold` is never read
[INFO] [stdout]   --> src/ssd_basic.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct SSD {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     gap_threshold: u32
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ssd_rs::block::*`
[INFO] [stdout]  --> examples/ssd_senario.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ssd_rs::block::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ssd_rs::mapping::*`
[INFO] [stdout]  --> examples/ssd_senario.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ssd_rs::mapping::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ssd_rs::page::*`
[INFO] [stdout]  --> examples/ssd_senario.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ssd_rs::page::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> examples/ssd_senario.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |             Err(err) => {panic!("error!!!!!");}
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ssd_rs::block::*`
[INFO] [stdout]  --> examples/stress_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ssd_rs::block::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ssd_rs::mapping::*`
[INFO] [stdout]  --> examples/stress_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ssd_rs::mapping::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ssd_rs::page::*`
[INFO] [stdout]  --> examples/stress_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ssd_rs::page::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.50s
[INFO] running `Command { std: "docker" "inspect" "e6d1a1541f4f87e7d3a934c61f61e198a50510829dce0eeef15153d1f03c5c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d1a1541f4f87e7d3a934c61f61e198a50510829dce0eeef15153d1f03c5c54", kill_on_drop: false }`
[INFO] [stdout] e6d1a1541f4f87e7d3a934c61f61e198a50510829dce0eeef15153d1f03c5c54