[INFO] cloning repository https://github.com/mmastrac/rust-libc-print
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmastrac/rust-libc-print" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmastrac%2Frust-libc-print", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmastrac%2Frust-libc-print'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d0d5204d67a195bd6dfcfe3ae3f13e8e828ee68
[INFO] testing mmastrac/rust-libc-print against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmastrac%2Frust-libc-print" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmastrac/rust-libc-print on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmastrac/rust-libc-print
[INFO] finished tweaking git repo https://github.com/mmastrac/rust-libc-print
[INFO] tweaked toml for git repo https://github.com/mmastrac/rust-libc-print written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mmastrac/rust-libc-print already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea12cec2e802ba6b0eedeb8b50ceb436b86124ad429b1165b61abf1bb6b74ac0
[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" "ea12cec2e802ba6b0eedeb8b50ceb436b86124ad429b1165b61abf1bb6b74ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea12cec2e802ba6b0eedeb8b50ceb436b86124ad429b1165b61abf1bb6b74ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea12cec2e802ba6b0eedeb8b50ceb436b86124ad429b1165b61abf1bb6b74ac0", kill_on_drop: false }`
[INFO] [stdout] ea12cec2e802ba6b0eedeb8b50ceb436b86124ad429b1165b61abf1bb6b74ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--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] a9f70d54d4f335e5dfcbc5fe2aca45793a896f6bb26277aba9a11a30de0c884f
[INFO] running `Command { std: "docker" "start" "-a" "a9f70d54d4f335e5dfcbc5fe2aca45793a896f6bb26277aba9a11a30de0c884f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling libc-print v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "a9f70d54d4f335e5dfcbc5fe2aca45793a896f6bb26277aba9a11a30de0c884f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f70d54d4f335e5dfcbc5fe2aca45793a896f6bb26277aba9a11a30de0c884f", kill_on_drop: false }`
[INFO] [stdout] a9f70d54d4f335e5dfcbc5fe2aca45793a896f6bb26277aba9a11a30de0c884f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46119f04c99d51649b13c4f082ff68c54f3cce0f1736406f442f645c7925c4dd
[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" "46119f04c99d51649b13c4f082ff68c54f3cce0f1736406f442f645c7925c4dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc-print v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "46119f04c99d51649b13c4f082ff68c54f3cce0f1736406f442f645c7925c4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46119f04c99d51649b13c4f082ff68c54f3cce0f1736406f442f645c7925c4dd", kill_on_drop: false }`
[INFO] [stdout] 46119f04c99d51649b13c4f082ff68c54f3cce0f1736406f442f645c7925c4dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 41ff328c9f92cbc5884139d0666b027e37a4fa64331d1e274a68926f57750460
[INFO] running `Command { std: "docker" "start" "-a" "41ff328c9f92cbc5884139d0666b027e37a4fa64331d1e274a68926f57750460", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libc_print-9b6dbcb26429fc2a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr] stderr fd = 2
[INFO] [stdout] stdout fd = 1
[INFO] [stdout] test tests::test_stderr ... ok
[INFO] [stdout] test tests::test_stdout ... ok
[INFO] [stderr] stderr!
[INFO] [stdout] test tests::test_stderr_write ... ok
[INFO] [stdout] stdout fd = 1
[INFO] [stderr] stderr fd = 2
[INFO] [stdout] stdout!
[INFO] [stdout] test std_name::tests_std_name::test_stdout ... ok
[INFO] [stdout] test std_name::tests_std_name::test_stderr ... ok
[INFO] [stdout] test tests::test_stdout_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libc_print
[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" "41ff328c9f92cbc5884139d0666b027e37a4fa64331d1e274a68926f57750460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ff328c9f92cbc5884139d0666b027e37a4fa64331d1e274a68926f57750460", kill_on_drop: false }`
[INFO] [stdout] 41ff328c9f92cbc5884139d0666b027e37a4fa64331d1e274a68926f57750460