[INFO] fetching crate fstrings 0.2.4-rc2...
[INFO] testing fstrings-0.2.4-rc2 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate fstrings 0.2.4-rc2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate fstrings 0.2.4-rc2 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 crates.io crate fstrings 0.2.4-rc2
[INFO] finished tweaking crates.io crate fstrings 0.2.4-rc2
[INFO] tweaked toml for crates.io crate fstrings 0.2.4-rc2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate fstrings 0.2.4-rc2 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] [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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc72a946fb2aae0a0c10aadf0eff99961320d51be78da37fd3e016e17ab80709
[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" "bc72a946fb2aae0a0c10aadf0eff99961320d51be78da37fd3e016e17ab80709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc72a946fb2aae0a0c10aadf0eff99961320d51be78da37fd3e016e17ab80709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc72a946fb2aae0a0c10aadf0eff99961320d51be78da37fd3e016e17ab80709", kill_on_drop: false }`
[INFO] [stdout] bc72a946fb2aae0a0c10aadf0eff99961320d51be78da37fd3e016e17ab80709
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/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] b84974833422dbfe94ac66793a587a8893f1ba50bb654c3ce28a10ae3b16c67a
[INFO] running `Command { std: "docker" "start" "-a" "b84974833422dbfe94ac66793a587a8893f1ba50bb654c3ce28a10ae3b16c67a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling fstrings-proc-macro v0.2.4-rc2
[INFO] [stderr]    Compiling fstrings v0.2.4-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.49s
[INFO] running `Command { std: "docker" "inspect" "b84974833422dbfe94ac66793a587a8893f1ba50bb654c3ce28a10ae3b16c67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84974833422dbfe94ac66793a587a8893f1ba50bb654c3ce28a10ae3b16c67a", kill_on_drop: false }`
[INFO] [stdout] b84974833422dbfe94ac66793a587a8893f1ba50bb654c3ce28a10ae3b16c67a
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] bbd3ab6d2ac251f25b90e32aaba760aaf7e3dda3880ba3293e38a6033a15b4af
[INFO] running `Command { std: "docker" "start" "-a" "bbd3ab6d2ac251f25b90e32aaba760aaf7e3dda3880ba3293e38a6033a15b4af", kill_on_drop: false }`
[INFO] [stderr]    Compiling fstrings v0.2.4-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "bbd3ab6d2ac251f25b90e32aaba760aaf7e3dda3880ba3293e38a6033a15b4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd3ab6d2ac251f25b90e32aaba760aaf7e3dda3880ba3293e38a6033a15b4af", kill_on_drop: false }`
[INFO] [stdout] bbd3ab6d2ac251f25b90e32aaba760aaf7e3dda3880ba3293e38a6033a15b4af
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4ce3b5dc8c94fa1507ec1f4781a448183c30051d4a7cc41d5f03b43fa15c22e
[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" "b4ce3b5dc8c94fa1507ec1f4781a448183c30051d4a7cc41d5f03b43fa15c22e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fstrings-ea1f216af52a36ea)
[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] [stderr]    Doc-tests fstrings
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - doctest_readme (line 48) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4ce3b5dc8c94fa1507ec1f4781a448183c30051d4a7cc41d5f03b43fa15c22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ce3b5dc8c94fa1507ec1f4781a448183c30051d4a7cc41d5f03b43fa15c22e", kill_on_drop: false }`
[INFO] [stdout] b4ce3b5dc8c94fa1507ec1f4781a448183c30051d4a7cc41d5f03b43fa15c22e