[INFO] fetching crate immut_string 0.1.0...
[INFO] testing immut_string-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate immut_string 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate immut_string 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate immut_string 0.1.0
[INFO] finished tweaking crates.io crate immut_string 0.1.0
[INFO] tweaked toml for crates.io crate immut_string 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8e089960aa9e61e25a8429961364c8d147cc3241c160eebf0f4174fc899d4d9
[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" "f8e089960aa9e61e25a8429961364c8d147cc3241c160eebf0f4174fc899d4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e089960aa9e61e25a8429961364c8d147cc3241c160eebf0f4174fc899d4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e089960aa9e61e25a8429961364c8d147cc3241c160eebf0f4174fc899d4d9", kill_on_drop: false }`
[INFO] [stdout] f8e089960aa9e61e25a8429961364c8d147cc3241c160eebf0f4174fc899d4d9
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 7c83baf09c1b4f9f1339211e746296b4b68576ff47fe1a3fdc60852d0b35bf27
[INFO] running `Command { std: "docker" "start" "-a" "7c83baf09c1b4f9f1339211e746296b4b68576ff47fe1a3fdc60852d0b35bf27", kill_on_drop: false }`
[INFO] [stderr]    Compiling immut_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "7c83baf09c1b4f9f1339211e746296b4b68576ff47fe1a3fdc60852d0b35bf27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c83baf09c1b4f9f1339211e746296b4b68576ff47fe1a3fdc60852d0b35bf27", kill_on_drop: false }`
[INFO] [stdout] 7c83baf09c1b4f9f1339211e746296b4b68576ff47fe1a3fdc60852d0b35bf27
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 5451a3832255429e3d5d1471c646699369479d2ab48c7752007c5eb7437d16ce
[INFO] running `Command { std: "docker" "start" "-a" "5451a3832255429e3d5d1471c646699369479d2ab48c7752007c5eb7437d16ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling immut_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "5451a3832255429e3d5d1471c646699369479d2ab48c7752007c5eb7437d16ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5451a3832255429e3d5d1471c646699369479d2ab48c7752007c5eb7437d16ce", kill_on_drop: false }`
[INFO] [stdout] 5451a3832255429e3d5d1471c646699369479d2ab48c7752007c5eb7437d16ce
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 864f9b43f91c58da92ba7d638f2f975d647bfcf6227ec8c9e001f1d01e3a9c25
[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" "864f9b43f91c58da92ba7d638f2f975d647bfcf6227ec8c9e001f1d01e3a9c25", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/immut_string-717fa89c718dfa82)
[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 immut_string
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 141) ... ok
[INFO] [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 97) ... ok
[INFO] [stdout] test src/immut_string.rs - immut_string::ImmutString (line 9) ... ok
[INFO] [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 166) ... ok
[INFO] [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 191) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.95s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "864f9b43f91c58da92ba7d638f2f975d647bfcf6227ec8c9e001f1d01e3a9c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864f9b43f91c58da92ba7d638f2f975d647bfcf6227ec8c9e001f1d01e3a9c25", kill_on_drop: false }`
[INFO] [stdout] 864f9b43f91c58da92ba7d638f2f975d647bfcf6227ec8c9e001f1d01e3a9c25