[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] 31ccbbcace34e968cc56a50227af58e5d4970752
[INFO] testing mmastrac/rust-libc-print against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmastrac%2Frust-libc-print" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmastrac/rust-libc-print on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-12/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] d4a41bcf9ed22f77b497f908553b1aa96ac477dafa62d0ccdfe6c5b9f0dfb976
[INFO] running `Command { std: "docker" "start" "-a" "d4a41bcf9ed22f77b497f908553b1aa96ac477dafa62d0ccdfe6c5b9f0dfb976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a41bcf9ed22f77b497f908553b1aa96ac477dafa62d0ccdfe6c5b9f0dfb976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a41bcf9ed22f77b497f908553b1aa96ac477dafa62d0ccdfe6c5b9f0dfb976", kill_on_drop: false }`
[INFO] [stdout] d4a41bcf9ed22f77b497f908553b1aa96ac477dafa62d0ccdfe6c5b9f0dfb976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e0e5a0592db84dd813e77e3423f22b2311ce0986ed64f126567d4f112543ad1
[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" "8e0e5a0592db84dd813e77e3423f22b2311ce0986ed64f126567d4f112543ad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling libc-print v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "8e0e5a0592db84dd813e77e3423f22b2311ce0986ed64f126567d4f112543ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0e5a0592db84dd813e77e3423f22b2311ce0986ed64f126567d4f112543ad1", kill_on_drop: false }`
[INFO] [stdout] 8e0e5a0592db84dd813e77e3423f22b2311ce0986ed64f126567d4f112543ad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 463c97c0b94193c493d9e45e6ee91b7a0ea225c68260958fd72f276c64c43ecc
[INFO] running `Command { std: "docker" "start" "-a" "463c97c0b94193c493d9e45e6ee91b7a0ea225c68260958fd72f276c64c43ecc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc-print v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "463c97c0b94193c493d9e45e6ee91b7a0ea225c68260958fd72f276c64c43ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463c97c0b94193c493d9e45e6ee91b7a0ea225c68260958fd72f276c64c43ecc", kill_on_drop: false }`
[INFO] [stdout] 463c97c0b94193c493d9e45e6ee91b7a0ea225c68260958fd72f276c64c43ecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ad99f81f731c82769c2ef8f1112b67cf2e852c75fc00cb59d2622da8a934792
[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" "3ad99f81f731c82769c2ef8f1112b67cf2e852c75fc00cb59d2622da8a934792", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libc_print-ab5c19e007eff94a)
[INFO] [stdout] stdout fd = 1
[INFO] [stderr] stderr fd = 2
[INFO] [stdout] stdout fd = test std_name::tests_std_name::test_stdout ... 1
[INFO] [stderr] stderr!stderr fd = 2
[INFO] [stdout] ok
[INFO] [stderr] 
[INFO] [stdout] test std_name::tests_std_name::test_stderr ... ok
[INFO] [stdout] test tests::test_stdout ... ok
[INFO] [stdout] stdout!
[INFO] [stdout] test tests::test_stderr ... ok
[INFO] [stdout] test tests::test_stderr_write ... 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 0.00s
[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" "3ad99f81f731c82769c2ef8f1112b67cf2e852c75fc00cb59d2622da8a934792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad99f81f731c82769c2ef8f1112b67cf2e852c75fc00cb59d2622da8a934792", kill_on_drop: false }`
[INFO] [stdout] 3ad99f81f731c82769c2ef8f1112b67cf2e852c75fc00cb59d2622da8a934792