[INFO] fetching crate immut_string 0.1.0...
[INFO] testing immut_string-0.1.0 against beta-2020-10-09 for beta-1.48-1
[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 beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 642128989faa59d01f6f44978a0624158afc91cd4420b01306fe2e2ba682bbbe
[INFO] running `Command { std: "docker" "start" "-a" "642128989faa59d01f6f44978a0624158afc91cd4420b01306fe2e2ba682bbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "642128989faa59d01f6f44978a0624158afc91cd4420b01306fe2e2ba682bbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642128989faa59d01f6f44978a0624158afc91cd4420b01306fe2e2ba682bbbe", kill_on_drop: false }`
[INFO] [stdout] 642128989faa59d01f6f44978a0624158afc91cd4420b01306fe2e2ba682bbbe
[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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] a9d0d6ed5bc67db8e2b3c9569a8de1d904d7d010110353066bae68912101788c
[INFO] running `Command { std: "docker" "start" "-a" "a9d0d6ed5bc67db8e2b3c9569a8de1d904d7d010110353066bae68912101788c", kill_on_drop: false }`
[INFO] [stderr]    Compiling immut_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "a9d0d6ed5bc67db8e2b3c9569a8de1d904d7d010110353066bae68912101788c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d0d6ed5bc67db8e2b3c9569a8de1d904d7d010110353066bae68912101788c", kill_on_drop: false }`
[INFO] [stdout] a9d0d6ed5bc67db8e2b3c9569a8de1d904d7d010110353066bae68912101788c
[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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e07673590e7b8ff4a6507f2b5f1119503e0240dc487e3a9890f95e7944b6223
[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" "3e07673590e7b8ff4a6507f2b5f1119503e0240dc487e3a9890f95e7944b6223", 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" "3e07673590e7b8ff4a6507f2b5f1119503e0240dc487e3a9890f95e7944b6223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e07673590e7b8ff4a6507f2b5f1119503e0240dc487e3a9890f95e7944b6223", kill_on_drop: false }`
[INFO] [stdout] 3e07673590e7b8ff4a6507f2b5f1119503e0240dc487e3a9890f95e7944b6223
[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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5506762e8aad3ebd30dbedd8a72a5af39c83e318ebe1e99072714fc3a0d8b1eb
[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" "5506762e8aad3ebd30dbedd8a72a5af39c83e318ebe1e99072714fc3a0d8b1eb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/immut_string-af04cae73ade977d
[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
[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 166) ... 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 191) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5506762e8aad3ebd30dbedd8a72a5af39c83e318ebe1e99072714fc3a0d8b1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5506762e8aad3ebd30dbedd8a72a5af39c83e318ebe1e99072714fc3a0d8b1eb", kill_on_drop: false }`
[INFO] [stdout] 5506762e8aad3ebd30dbedd8a72a5af39c83e318ebe1e99072714fc3a0d8b1eb
