[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] testing vorner/bigbuffer against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorner%2Fbigbuffer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vorner/bigbuffer on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded humansize v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18255ef2a14050f1ad20130f034df70f0221bd125b426406728cd6dcaf184a43
[INFO] running `Command { std: "docker" "start" "-a" "18255ef2a14050f1ad20130f034df70f0221bd125b426406728cd6dcaf184a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18255ef2a14050f1ad20130f034df70f0221bd125b426406728cd6dcaf184a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18255ef2a14050f1ad20130f034df70f0221bd125b426406728cd6dcaf184a43", kill_on_drop: false }`
[INFO] [stdout] 18255ef2a14050f1ad20130f034df70f0221bd125b426406728cd6dcaf184a43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b61096d161e09c869cb802da7cdced64d70d389ca270290753e7c1a4c7a9608
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b61096d161e09c869cb802da7cdced64d70d389ca270290753e7c1a4c7a9608", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling humansize v1.0.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling clap v2.28.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling structopt v0.1.6
[INFO] [stderr]    Compiling backtrace v0.3.4
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling 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:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 | static READ_CNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[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]    |                                 ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.99s
[INFO] running `Command { std: "docker" "inspect" "9b61096d161e09c869cb802da7cdced64d70d389ca270290753e7c1a4c7a9608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b61096d161e09c869cb802da7cdced64d70d389ca270290753e7c1a4c7a9608", kill_on_drop: false }`
[INFO] [stdout] 9b61096d161e09c869cb802da7cdced64d70d389ca270290753e7c1a4c7a9608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e7ae22293029de51d40d6fd656dc8bcffad2ee6db8bf1d872d40d1af0c96847
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e7ae22293029de51d40d6fd656dc8bcffad2ee6db8bf1d872d40d1af0c96847", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 | static READ_CNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[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]    |                                 ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "0e7ae22293029de51d40d6fd656dc8bcffad2ee6db8bf1d872d40d1af0c96847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7ae22293029de51d40d6fd656dc8bcffad2ee6db8bf1d872d40d1af0c96847", kill_on_drop: false }`
[INFO] [stdout] 0e7ae22293029de51d40d6fd656dc8bcffad2ee6db8bf1d872d40d1af0c96847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b325791fd1c8fe3494c403021138098158f0c89051cd963226dc5bf67cb5648a
[INFO] running `Command { std: "docker" "start" "-a" "b325791fd1c8fe3494c403021138098158f0c89051cd963226dc5bf67cb5648a", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]  --> src/main.rs:9:38
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 | static READ_CNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:36:33
[INFO] [stderr]    |
[INFO] [stderr] 36 | static WRITE_CNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bigbuffer-c6189e3e18092b71
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b325791fd1c8fe3494c403021138098158f0c89051cd963226dc5bf67cb5648a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b325791fd1c8fe3494c403021138098158f0c89051cd963226dc5bf67cb5648a", kill_on_drop: false }`
[INFO] [stdout] b325791fd1c8fe3494c403021138098158f0c89051cd963226dc5bf67cb5648a