[INFO] fetching crate currant 0.1.6...
[INFO] testing currant-0.1.6 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate currant 0.1.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate currant 0.1.6 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate currant 0.1.6
[INFO] finished tweaking crates.io crate currant 0.1.6
[INFO] tweaked toml for crates.io crate currant 0.1.6 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate currant 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcfee8b740be4af8fe5accf0843942ba0fb3f47ddaae087e4db52ddeab0f378f
[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" "fcfee8b740be4af8fe5accf0843942ba0fb3f47ddaae087e4db52ddeab0f378f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcfee8b740be4af8fe5accf0843942ba0fb3f47ddaae087e4db52ddeab0f378f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcfee8b740be4af8fe5accf0843942ba0fb3f47ddaae087e4db52ddeab0f378f", kill_on_drop: false }`
[INFO] [stdout] fcfee8b740be4af8fe5accf0843942ba0fb3f47ddaae087e4db52ddeab0f378f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfef66a90c6954c0af8912e223ddfeba9bdf73303ac06001e6ad3ebaf7968d2a
[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" "bfef66a90c6954c0af8912e223ddfeba9bdf73303ac06001e6ad3ebaf7968d2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling currant v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.76s
[INFO] running `Command { std: "docker" "inspect" "bfef66a90c6954c0af8912e223ddfeba9bdf73303ac06001e6ad3ebaf7968d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfef66a90c6954c0af8912e223ddfeba9bdf73303ac06001e6ad3ebaf7968d2a", kill_on_drop: false }`
[INFO] [stdout] bfef66a90c6954c0af8912e223ddfeba9bdf73303ac06001e6ad3ebaf7968d2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", 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] cc5e8e158bdde2011c941b0672a219cb3a477cad8960c25344d10b0f860cc07c
[INFO] running `Command { std: "docker" "start" "-a" "cc5e8e158bdde2011c941b0672a219cb3a477cad8960c25344d10b0f860cc07c", kill_on_drop: false }`
[INFO] [stderr]    Compiling currant v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/standard_out_api.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         handle.join();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "cc5e8e158bdde2011c941b0672a219cb3a477cad8960c25344d10b0f860cc07c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5e8e158bdde2011c941b0672a219cb3a477cad8960c25344d10b0f860cc07c", kill_on_drop: false }`
[INFO] [stdout] cc5e8e158bdde2011c941b0672a219cb3a477cad8960c25344d10b0f860cc07c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 9329e5c93cfed478be13f0f3c92f8254809cbc02137a1880592f27df77f272f8
[INFO] running `Command { std: "docker" "start" "-a" "9329e5c93cfed478be13f0f3c92f8254809cbc02137a1880592f27df77f272f8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> src/standard_out_api.rs:252:9
[INFO] [stdout] test color::tests::test_theta_to_rgb ... ok
[INFO] [stderr]     |
[INFO] [stdout] SYSTEM: starting process test2
[INFO] [stderr] 252 |         handle.join();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `currant` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/currant-62c566a7815347e5)
[INFO] [stdout] SYSTEM: starting process test1
[INFO] [stdout] SYSTEM: starting process test3
[INFO] [stdout] test2 (o): total 24
[INFO] [stdout] test2 (o): drwxr-xr-x 6 root root 4096 Dec  2 05:09 .
[INFO] [stdout] test2 (o): drwxr-xr-x 1 root root 4096 Dec  2 05:09 ..
[INFO] [stdout] test2 (o): drwxr-xr-x 5 root root 4096 Dec  1 21:19 cargo-home
[INFO] [stdout] test2 (o): drwxr-xr-x 6 root root 4096 Oct 17  2019 rustup-home
[INFO] [stdout] test2 (o): drwxr-xr-x 4 root root 4096 Dec  2 00:01 target
[INFO] [stdout] test2 (o): drwxr-xr-x 3 root root 4096 Dec  2 05:09 workdir
[INFO] [stdout] test2: process exited with status: 0
[INFO] [stdout] test3 (o): total 68
[INFO] [stdout] test3 (o): drwxr-xr-x   1 root root 4096 Dec  2 05:09 .
[INFO] [stdout] test3 (o): drwxr-xr-x   1 root root 4096 Dec  2 05:09 ..
[INFO] [stdout] test3 (o): -rwxr-xr-x   1 root root    0 Dec  2 05:09 .dockerenv
[INFO] [stdout] test3 (o): lrwxrwxrwx   1 root root    7 Oct  6 16:47 bin -> usr/bin
[INFO] [stdout] test3 (o): drwxr-xr-x   2 root root 4096 Apr 15  2020 boot
[INFO] [stdout] test3 (o): drwxr-xr-x   5 root root  340 Dec  2 05:09 dev
[INFO] [stdout] test3 (o): drwxr-xr-x   1 root root 4096 Dec  2 05:09 etc
[INFO] [stdout] test3 (o): drwxr-xr-x   2 root root 4096 Apr 15  2020 home
[INFO] [stdout] test3 (o): lrwxrwxrwx   1 root root    7 Oct  6 16:47 lib -> usr/lib
[INFO] [stdout] test3 (o): lrwxrwxrwx   1 root root    9 Oct  6 16:47 lib32 -> usr/lib32
[INFO] [stdout] test3 (o): lrwxrwxrwx   1 root root    9 Oct  6 16:47 lib64 -> usr/lib64
[INFO] [stdout] test3 (o): lrwxrwxrwx   1 root root   10 Oct  6 16:47 libx32 -> usr/libx32
[INFO] [stdout] test3 (o): drwxr-xr-x   2 root root 4096 Oct  6 16:47 media
[INFO] [stdout] test3 (o): drwxr-xr-x   2 root root 4096 Oct  6 16:47 mnt
[INFO] [stdout] test3 (o): drwxr-xr-x   1 root root 4096 Dec  2 05:09 opt
[INFO] [stdout] test3 (o): dr-xr-xr-x 467 root root    0 Dec  2 05:09 proc
[INFO] [stdout] test3 (o): drwx------   2 root root 4096 Oct  6 16:58 root
[INFO] [stdout] test3 (o): drwxr-xr-x   1 root root 4096 Oct 30 19:58 run
[INFO] [stdout] test3 (o): lrwxrwxrwx   1 root root    8 Oct  6 16:47 sbin -> usr/sbin
[INFO] [stdout] test3 (o): drwxr-xr-x   2 root root 4096 Oct  6 16:47 srv
[INFO] [stdout] test3 (o): dr-xr-xr-x  12 root root    0 Dec  2 05:09 sys
[INFO] [stdout] test3 (o): drwxrwxrwt   1 root root 4096 Oct 30 19:58 tmp
[INFO] [stdout] test3 (o): drwxr-xr-x   1 root root 4096 Oct 30 19:54 usr
[INFO] [stdout] test3 (o): drwxr-xr-x   1 root root 4096 Oct 30 19:58 var
[INFO] [stdout] test3: process exited with status: 0
[INFO] [stdout] test1 (o): total 40
[INFO] [stdout] test1 (o): drwxr-xr-x 3 root root 4096 Dec  2 05:09 .
[INFO] [stdout] test1 (o): drwxr-xr-x 6 root root 4096 Dec  2 05:09 ..
[INFO] [stdout] test1 (o): -rw-r--r-- 1 root root   74 Jan  1  1970 .cargo_vcs_info.json
[INFO] [stdout] test1 (o): -rw-r--r-- 1 root root    8 Nov 29  1973 .gitignore
[INFO] [stdout] test1 (o): -rw-r--r-- 1 root root 2369 Jan  1  1970 Cargo.lock
[INFO] [stdout] test1 (o): -rw-r--r-- 1 root root  411 Dec  2 05:09 Cargo.toml
[INFO] [stdout] test1 (o): -rw-r--r-- 1 root root  469 Nov 29  1973 Cargo.toml.orig
[INFO] [stdout] test1 (o): -rw-r--r-- 1 root root 1068 Nov 29  1973 LICENSE
[INFO] [stdout] test1 (o): -rw-r--r-- 1 root root   71 Nov 29  1973 README.md
[INFO] [stdout] test1 (o): drwxr-xr-x 2 root root 4096 Dec  2 05:09 src
[INFO] [stdout] test1: process exited with status: 0
[INFO] [stdout] test standard_out_api::tests::run_commands ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests currant
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9329e5c93cfed478be13f0f3c92f8254809cbc02137a1880592f27df77f272f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9329e5c93cfed478be13f0f3c92f8254809cbc02137a1880592f27df77f272f8", kill_on_drop: false }`
[INFO] [stdout] 9329e5c93cfed478be13f0f3c92f8254809cbc02137a1880592f27df77f272f8