[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] 61db5f6b9a672bd5cf20392f0743cbe96697bde4
[INFO] testing mmastrac/rust-libc-print against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmastrac%2Frust-libc-print" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mmastrac/rust-libc-print on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mmastrac/rust-libc-print 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afedeb6a9a6fe97568adfed56c3352e902452db35a30425daa4b815d85e17e07
[INFO] running `Command { std: "docker" "start" "-a" "afedeb6a9a6fe97568adfed56c3352e902452db35a30425daa4b815d85e17e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afedeb6a9a6fe97568adfed56c3352e902452db35a30425daa4b815d85e17e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afedeb6a9a6fe97568adfed56c3352e902452db35a30425daa4b815d85e17e07", kill_on_drop: false }`
[INFO] [stdout] afedeb6a9a6fe97568adfed56c3352e902452db35a30425daa4b815d85e17e07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 957ed365a9af683e01a2dcb3e6f5581221f94ed6ad423c32566ccb1df2875d0d
[INFO] running `Command { std: "docker" "start" "-a" "957ed365a9af683e01a2dcb3e6f5581221f94ed6ad423c32566ccb1df2875d0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling libc-print v0.1.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "957ed365a9af683e01a2dcb3e6f5581221f94ed6ad423c32566ccb1df2875d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957ed365a9af683e01a2dcb3e6f5581221f94ed6ad423c32566ccb1df2875d0d", kill_on_drop: false }`
[INFO] [stdout] 957ed365a9af683e01a2dcb3e6f5581221f94ed6ad423c32566ccb1df2875d0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76c661c1724208231417f65066670ddd1236ab6c28ff5839a31dc9819140e236
[INFO] running `Command { std: "docker" "start" "-a" "76c661c1724208231417f65066670ddd1236ab6c28ff5839a31dc9819140e236", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc-print v0.1.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "76c661c1724208231417f65066670ddd1236ab6c28ff5839a31dc9819140e236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c661c1724208231417f65066670ddd1236ab6c28ff5839a31dc9819140e236", kill_on_drop: false }`
[INFO] [stdout] 76c661c1724208231417f65066670ddd1236ab6c28ff5839a31dc9819140e236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9cd2093cabec1584cfbe961fcb6d029bc5e1eb3e30d7461c5690ec11c6623a7e
[INFO] running `Command { std: "docker" "start" "-a" "9cd2093cabec1584cfbe961fcb6d029bc5e1eb3e30d7461c5690ec11c6623a7e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libc_print-2f7a5b3023077f29)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] stdout fd = 1
[INFO] [stderr] [src/lib.rs:369] a * 2 = 4
[INFO] [stdout] test std_name::tests_std_name::test_stdout ... ok
[INFO] [stdout] stdout fd = 1
[INFO] [stdout] test tests::test_stdout ... ok
[INFO] [stdout] stdout!
[INFO] [stdout] test tests::test_dbg ... ok
[INFO] [stdout] test tests::test_stdout_write ... ok
[INFO] [stdout] test std_name::tests_std_name::test_stderr ... ok
[INFO] [stderr] stderr fd = 2
[INFO] [stderr] stderr!
[INFO] [stdout] test tests::test_in_closure_expression ... ok
[INFO] [stdout] test tests::test_stderr_write ... ok
[INFO] [stdout] test tests::test_stderr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] stderr fd = 2
[INFO] [stderr]    Doc-tests libc_print
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - libc_dbg (line 290) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9cd2093cabec1584cfbe961fcb6d029bc5e1eb3e30d7461c5690ec11c6623a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd2093cabec1584cfbe961fcb6d029bc5e1eb3e30d7461c5690ec11c6623a7e", kill_on_drop: false }`
[INFO] [stdout] 9cd2093cabec1584cfbe961fcb6d029bc5e1eb3e30d7461c5690ec11c6623a7e