[INFO] fetching crate jconfig 0.1.0...
[INFO] checking jconfig-0.1.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate jconfig 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate jconfig 0.1.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jconfig 0.1.0
[INFO] finished tweaking crates.io crate jconfig 0.1.0
[INFO] tweaked toml for crates.io crate jconfig 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded traitobject v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e5877eca287af6817725738cdb2e163770ae657a918ba1ac31ab77001c409ff
[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" "6e5877eca287af6817725738cdb2e163770ae657a918ba1ac31ab77001c409ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e5877eca287af6817725738cdb2e163770ae657a918ba1ac31ab77001c409ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5877eca287af6817725738cdb2e163770ae657a918ba1ac31ab77001c409ff", kill_on_drop: false }`
[INFO] [stdout] 6e5877eca287af6817725738cdb2e163770ae657a918ba1ac31ab77001c409ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 858169ba3d9f90365e6689cfc6d816d19472a29560b9dda15110aeb47b44c6d8
[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" "858169ba3d9f90365e6689cfc6d816d19472a29560b9dda15110aeb47b44c6d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking traitobject v0.0.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking jconfig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/field.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let t = try!(json::decode(&s));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |         match try!(Json::from_str(s)) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut f = try!(File::open(path));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:80:22
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let config = try!(Config::from_str(j.as_ref()));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn clone_box(&self) -> Box<Field>;
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn clone_box(&self) -> Box<Field> { Box::new(self.clone()) }
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/item.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Typed(TypeId, Box<Field>),
[INFO] [stdout]    |                       ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/item.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Field {
[INFO] [stdout]    |      ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/item.rs:114:60
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn parse<V: Field + 'static>(raw: &RawValue) -> Result<Box<Field>> {
[INFO] [stdout]     |                                                            ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/item.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let h: Box<Field> = Box::new(v);
[INFO] [stdout]     |                    ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/field.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let t = try!(json::decode(&s));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |         match try!(Json::from_str(s)) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut f = try!(File::open(path));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:80:22
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let config = try!(Config::from_str(j.as_ref()));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn clone_box(&self) -> Box<Field>;
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn clone_box(&self) -> Box<Field> { Box::new(self.clone()) }
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/item.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Typed(TypeId, Box<Field>),
[INFO] [stdout]    |                       ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/item.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Field {
[INFO] [stdout]    |      ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/item.rs:114:60
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn parse<V: Field + 'static>(raw: &RawValue) -> Result<Box<Field>> {
[INFO] [stdout]     |                                                            ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/item.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let h: Box<Field> = Box::new(v);
[INFO] [stdout]     |                    ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/item.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut inner = unsafe { &mut *self.inner.get() };
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/item.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut inner = unsafe { &mut *self.inner.get() };
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/item.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             mem::replace(inner, Inner::Typed(tid, bv));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/item.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             mem::replace(inner, Inner::Typed(tid, bv));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/item.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut inner = unsafe { &mut *self.inner.get() };
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/item.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut inner = unsafe { &mut *self.inner.get() };
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/item.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             mem::replace(inner, Inner::Typed(tid, bv));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/item.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             mem::replace(inner, Inner::Typed(tid, bv));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "858169ba3d9f90365e6689cfc6d816d19472a29560b9dda15110aeb47b44c6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858169ba3d9f90365e6689cfc6d816d19472a29560b9dda15110aeb47b44c6d8", kill_on_drop: false }`
[INFO] [stdout] 858169ba3d9f90365e6689cfc6d816d19472a29560b9dda15110aeb47b44c6d8
