[INFO] cloning repository https://github.com/vorner/bigbuffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vorner/bigbuffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorner%2Fbigbuffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorner%2Fbigbuffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40cb0173c142c70c695a8df73a4c2564f0759b5e
[INFO] checking vorner/bigbuffer against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorner%2Fbigbuffer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vorner/bigbuffer on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vorner/bigbuffer
[INFO] finished tweaking git repo https://github.com/vorner/bigbuffer
[INFO] tweaked toml for git repo https://github.com/vorner/bigbuffer written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vorner/bigbuffer 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded clap v2.28.0
[INFO] [stderr]   Downloaded libc v0.2.33
[INFO] [stderr]   Downloaded humansize v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c603a02ed6314854bbe6992f550e921179ad228329e62283e64a276559fa26e9
[INFO] running `Command { std: "docker" "start" "-a" "c603a02ed6314854bbe6992f550e921179ad228329e62283e64a276559fa26e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c603a02ed6314854bbe6992f550e921179ad228329e62283e64a276559fa26e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c603a02ed6314854bbe6992f550e921179ad228329e62283e64a276559fa26e9", kill_on_drop: false }`
[INFO] [stdout] c603a02ed6314854bbe6992f550e921179ad228329e62283e64a276559fa26e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 783bd123278e76c23c96370a704261a27b48daa098fb580ca7ef8599c78e6140
[INFO] running `Command { std: "docker" "start" "-a" "783bd123278e76c23c96370a704261a27b48daa098fb580ca7ef8599c78e6140", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking humansize v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking clap v2.28.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking structopt v0.1.6
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking bigbuffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/main.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/main.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 | static READ_CNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 35 | static READ_CNT: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |                                ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 | static READ_CNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 35 | static READ_CNT: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |                                ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:36:33
[INFO] [stdout]    |
[INFO] [stdout] 36 | static WRITE_CNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 36 | static WRITE_CNT: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |                                 ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:36:33
[INFO] [stdout]    |
[INFO] [stdout] 36 | static WRITE_CNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 36 | static WRITE_CNT: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |                                 ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block` is never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Options {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     block: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` 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] [stdout] warning: field `block` is never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Options {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     block: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` 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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.64s
[INFO] running `Command { std: "docker" "inspect" "783bd123278e76c23c96370a704261a27b48daa098fb580ca7ef8599c78e6140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783bd123278e76c23c96370a704261a27b48daa098fb580ca7ef8599c78e6140", kill_on_drop: false }`
[INFO] [stdout] 783bd123278e76c23c96370a704261a27b48daa098fb580ca7ef8599c78e6140
