[INFO] cloning repository https://github.com/tcrustifarians/rust-rack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcrustifarians/rust-rack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcrustifarians%2Frust-rack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcrustifarians%2Frust-rack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd13a10000dbdc674ed943f531f98f8ebdc3a210
[INFO] checking tcrustifarians/rust-rack against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcrustifarians%2Frust-rack" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tcrustifarians/rust-rack on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tcrustifarians/rust-rack
[INFO] finished tweaking git repo https://github.com/tcrustifarians/rust-rack
[INFO] tweaked toml for git repo https://github.com/tcrustifarians/rust-rack written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/tcrustifarians/rust-rack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-11/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] 872277ca3e8e331fc728c36075cbafc558df753ae5d51f3d351be0763cffcb92
[INFO] running `Command { std: "docker" "start" "-a" "872277ca3e8e331fc728c36075cbafc558df753ae5d51f3d351be0763cffcb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "872277ca3e8e331fc728c36075cbafc558df753ae5d51f3d351be0763cffcb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872277ca3e8e331fc728c36075cbafc558df753ae5d51f3d351be0763cffcb92", kill_on_drop: false }`
[INFO] [stdout] 872277ca3e8e331fc728c36075cbafc558df753ae5d51f3d351be0763cffcb92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--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] 4e193d851de7e7039f06a9164897670eac40421d16e718842e5ad807232aa995
[INFO] running `Command { std: "docker" "start" "-a" "4e193d851de7e7039f06a9164897670eac40421d16e718842e5ad807232aa995", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking rack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / extern {
[INFO] [stdout] 16 | |     fn rb_define_module(name: *const c_char) -> RbValue;
[INFO] [stdout] 17 | |     fn rb_define_singleton_method(
[INFO] [stdout] 18 | |         object: RbValue, name: *const c_char,
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     fn rb_hash_aset(hash: RbValue, key: RbValue, value: RbValue);
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         func: extern fn(RbValue, RbValue) -> RbValue,
[INFO] [stdout]    |               ^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |                      block: extern fn(RbValue, RbValue, c_int, *const RbValue),
[INFO] [stdout]    |                             ^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / extern fn insert_rb_hash_entry_into_map(_: RbValue, map_rbval: RbValue, _argc: c_int, argv: *const RbValue) {
[INFO] [stdout] 53 | |     let RbValue(map_ptr) = map_rbval;
[INFO] [stdout] 54 | |     let (map, key, val): (&mut HashMap<_,_>, String, RbValue);
[INFO] [stdout] 55 | |     unsafe {
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |     map.insert(key, val);
[INFO] [stdout] 61 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | / pub extern fn endpoint_call(_: RbValue, env_hash: RbValue) -> RbValue {
[INFO] [stdout] 108 | |     let env = unsafe { rb_hash_to_map(env_hash) };
[INFO] [stdout] 109 | |     let (status, headers, body) = endpoint(env);
[INFO] [stdout] 110 | |     let retval: RbValue;
[INFO] [stdout] ...   |
[INFO] [stdout] 120 | |     retval
[INFO] [stdout] 121 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:125:1
[INFO] [stdout]     |
[INFO] [stdout] 125 | / pub extern fn Init_rust_rack() {
[INFO] [stdout] 126 | |     let mod_name = CString::new("RustRack").unwrap();
[INFO] [stdout] 127 | |     unsafe {
[INFO] [stdout] 128 | |         let mRustRack = rb_define_module(mod_name.as_ptr());
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |     }
[INFO] [stdout] 133 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / extern {
[INFO] [stdout] 16 | |     fn rb_define_module(name: *const c_char) -> RbValue;
[INFO] [stdout] 17 | |     fn rb_define_singleton_method(
[INFO] [stdout] 18 | |         object: RbValue, name: *const c_char,
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     fn rb_hash_aset(hash: RbValue, key: RbValue, value: RbValue);
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         func: extern fn(RbValue, RbValue) -> RbValue,
[INFO] [stdout]    |               ^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |                      block: extern fn(RbValue, RbValue, c_int, *const RbValue),
[INFO] [stdout]    |                             ^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / extern fn insert_rb_hash_entry_into_map(_: RbValue, map_rbval: RbValue, _argc: c_int, argv: *const RbValue) {
[INFO] [stdout] 53 | |     let RbValue(map_ptr) = map_rbval;
[INFO] [stdout] 54 | |     let (map, key, val): (&mut HashMap<_,_>, String, RbValue);
[INFO] [stdout] 55 | |     unsafe {
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |     map.insert(key, val);
[INFO] [stdout] 61 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | / pub extern fn endpoint_call(_: RbValue, env_hash: RbValue) -> RbValue {
[INFO] [stdout] 108 | |     let env = unsafe { rb_hash_to_map(env_hash) };
[INFO] [stdout] 109 | |     let (status, headers, body) = endpoint(env);
[INFO] [stdout] 110 | |     let retval: RbValue;
[INFO] [stdout] ...   |
[INFO] [stdout] 120 | |     retval
[INFO] [stdout] 121 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:125:1
[INFO] [stdout]     |
[INFO] [stdout] 125 | / pub extern fn Init_rust_rack() {
[INFO] [stdout] 126 | |     let mod_name = CString::new("RustRack").unwrap();
[INFO] [stdout] 127 | |     unsafe {
[INFO] [stdout] 128 | |         let mRustRack = rb_define_module(mod_name.as_ptr());
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |     }
[INFO] [stdout] 133 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rack`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4e193d851de7e7039f06a9164897670eac40421d16e718842e5ad807232aa995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e193d851de7e7039f06a9164897670eac40421d16e718842e5ad807232aa995", kill_on_drop: false }`
[INFO] [stdout] 4e193d851de7e7039f06a9164897670eac40421d16e718842e5ad807232aa995