[INFO] fetching crate cffi 0.1.7...
[INFO] testing cffi-0.1.7 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate cffi 0.1.7 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate cffi 0.1.7
[INFO] finished tweaking crates.io crate cffi 0.1.7
[INFO] tweaked toml for crates.io crate cffi 0.1.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cffi 0.1.7 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 94 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cffi-impl v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3dcaf8315e052431d5ad3b28195de87c964f7bed1e1fd34cec0c01034821804
[INFO] running `Command { std: "docker" "start" "-a" "c3dcaf8315e052431d5ad3b28195de87c964f7bed1e1fd34cec0c01034821804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3dcaf8315e052431d5ad3b28195de87c964f7bed1e1fd34cec0c01034821804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3dcaf8315e052431d5ad3b28195de87c964f7bed1e1fd34cec0c01034821804", kill_on_drop: false }`
[INFO] [stdout] c3dcaf8315e052431d5ad3b28195de87c964f7bed1e1fd34cec0c01034821804
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] cbed31e7279ff845a0185577a3cde13352219065c4e7bb5c139e3cbd2d5fe0cb
[INFO] running `Command { std: "docker" "start" "-a" "cbed31e7279ff845a0185577a3cde13352219065c4e7bb5c139e3cbd2d5fe0cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling cffi-impl v0.1.6
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling cffi v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dropping unsupported crate type `cdylib` for target `x86_64-unknown-linux-musl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/str.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StrMarshaler<'a>(&'a PhantomData<()>);
[INFO] [stdout]   |            ------------     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.37s
[INFO] running `Command { std: "docker" "inspect" "cbed31e7279ff845a0185577a3cde13352219065c4e7bb5c139e3cbd2d5fe0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbed31e7279ff845a0185577a3cde13352219065c4e7bb5c139e3cbd2d5fe0cb", kill_on_drop: false }`
[INFO] [stdout] cbed31e7279ff845a0185577a3cde13352219065c4e7bb5c139e3cbd2d5fe0cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] dba9298400f9364ad3ef80ffbef34442f6483a9db7a647bfded712e962ecce9e
[INFO] running `Command { std: "docker" "start" "-a" "dba9298400f9364ad3ef80ffbef34442f6483a9db7a647bfded712e962ecce9e", kill_on_drop: false }`
[INFO] [stdout] warning: dropping unsupported crate type `cdylib` for target `x86_64-unknown-linux-musl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/str.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StrMarshaler<'a>(&'a PhantomData<()>);
[INFO] [stdout]   |            ------------     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cffi v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/str.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StrMarshaler<'a>(&'a PhantomData<()>);
[INFO] [stdout]   |            ------------     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "dba9298400f9364ad3ef80ffbef34442f6483a9db7a647bfded712e962ecce9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba9298400f9364ad3ef80ffbef34442f6483a9db7a647bfded712e962ecce9e", kill_on_drop: false }`
[INFO] [stdout] dba9298400f9364ad3ef80ffbef34442f6483a9db7a647bfded712e962ecce9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4e26c296895291f87c02bde5c91ae187dc0fa79df89cb5369b0bd2b727adc3d2
[INFO] running `Command { std: "docker" "start" "-a" "4e26c296895291f87c02bde5c91ae187dc0fa79df89cb5369b0bd2b727adc3d2", kill_on_drop: false }`
[INFO] [stderr] warning: dropping unsupported crate type `cdylib` for target `x86_64-unknown-linux-musl`
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/str.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct StrMarshaler<'a>(&'a PhantomData<()>);
[INFO] [stderr]   |            ------------     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cffi` (lib) generated 2 warnings
[INFO] [stderr] warning: `cffi` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/cffi-51f13ce8a919c6db)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e26c296895291f87c02bde5c91ae187dc0fa79df89cb5369b0bd2b727adc3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e26c296895291f87c02bde5c91ae187dc0fa79df89cb5369b0bd2b727adc3d2", kill_on_drop: false }`
[INFO] [stdout] 4e26c296895291f87c02bde5c91ae187dc0fa79df89cb5369b0bd2b727adc3d2