[INFO] crate savefile 0.2.12 is already in cache
[INFO] checking savefile-0.2.12 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate savefile 0.2.12 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate savefile 0.2.12 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate savefile 0.2.12
[INFO] finished tweaking crates.io crate savefile 0.2.12
[INFO] tweaked toml for crates.io crate savefile 0.2.12 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce1b97497b6db1b2011488aafd7a86c0d44b842154fcf1fc77b1a3b376a4d56a
[INFO] running `"docker" "start" "-a" "ce1b97497b6db1b2011488aafd7a86c0d44b842154fcf1fc77b1a3b376a4d56a"`
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking savefile v0.2.12 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:546:21
[INFO] [stderr]     |
[INFO] [stderr] 546 |     writer: &'a mut Write,
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:555:21
[INFO] [stderr]     |
[INFO] [stderr] 555 |     reader: &'a mut Read,
[INFO] [stderr]     |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:668:56
[INFO] [stderr]     |
[INFO] [stderr] 668 |     pub fn save<T:WithSchema + Serialize>(writer: &mut Write, version: u32, data: &T) -> Result<(),SavefileError> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:673:65
[INFO] [stderr]     |
[INFO] [stderr] 673 |     pub fn save_noschema<T:WithSchema + Serialize>(writer: &mut Write, version: u32, data: &T) -> Result<(),SavefileError> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:676:57
[INFO] [stderr]     |
[INFO] [stderr] 676 |     fn save_impl<T:WithSchema + Serialize>(writer: &mut Write, version: u32, data: &T, with_schema: bool) -> Result<(),SavefileError> {
[INFO] [stderr]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:693:33
[INFO] [stderr]     |
[INFO] [stderr] 693 |     pub fn new_raw(writer: &mut Write) -> Serializer {
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:762:56
[INFO] [stderr]     |
[INFO] [stderr] 762 |     pub fn load<T:WithSchema+Deserialize>(reader: &mut Read, version: u32) -> Result<T,SavefileError> {
[INFO] [stderr]     |                                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:768:65
[INFO] [stderr]     |
[INFO] [stderr] 768 |     pub fn load_noschema<T:WithSchema+Deserialize>(reader: &mut Read, version: u32) -> Result<T,SavefileError> {
[INFO] [stderr]     |                                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:771:57
[INFO] [stderr]     |
[INFO] [stderr] 771 |     fn load_impl<T:WithSchema+Deserialize>(reader: &mut Read, version: u32, fetch_schema: bool) -> Result<T,SavefileError> {
[INFO] [stderr]     |                                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:803:33
[INFO] [stderr]     |
[INFO] [stderr] 803 |     pub fn new_raw(reader: &mut Read) -> Deserializer {
[INFO] [stderr]     |                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:817:52
[INFO] [stderr]     |
[INFO] [stderr] 817 | pub fn load<T:WithSchema+Deserialize>(reader: &mut Read, version: u32) -> Result<T,SavefileError> {
[INFO] [stderr]     |                                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:823:50
[INFO] [stderr]     |
[INFO] [stderr] 823 | pub fn save<T:WithSchema+Serialize>(writer: &mut Write, version: u32, data: &T) -> Result<(),SavefileError> {
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:829:61
[INFO] [stderr]     |
[INFO] [stderr] 829 | pub fn load_noschema<T:WithSchema+Deserialize>(reader: &mut Read, version: u32) -> Result<T,SavefileError> {
[INFO] [stderr]     |                                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:842:59
[INFO] [stderr]     |
[INFO] [stderr] 842 | pub fn save_noschema<T:WithSchema+Serialize>(writer: &mut Write, version: u32, data: &T) -> Result<(),SavefileError> {
[INFO] [stderr]     |                                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(alloc)]
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]    Compiling savefile-derive v0.2.12
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:546:21
[INFO] [stderr]     |
[INFO] [stderr] 546 |     writer: &'a mut Write,
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:555:21
[INFO] [stderr]     |
[INFO] [stderr] 555 |     reader: &'a mut Read,
[INFO] [stderr]     |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:668:56
[INFO] [stderr]     |
[INFO] [stderr] 668 |     pub fn save<T:WithSchema + Serialize>(writer: &mut Write, version: u32, data: &T) -> Result<(),SavefileError> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:673:65
[INFO] [stderr]     |
[INFO] [stderr] 673 |     pub fn save_noschema<T:WithSchema + Serialize>(writer: &mut Write, version: u32, data: &T) -> Result<(),SavefileError> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:676:57
[INFO] [stderr]     |
[INFO] [stderr] 676 |     fn save_impl<T:WithSchema + Serialize>(writer: &mut Write, version: u32, data: &T, with_schema: bool) -> Result<(),SavefileError> {
[INFO] [stderr]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:693:33
[INFO] [stderr]     |
[INFO] [stderr] 693 |     pub fn new_raw(writer: &mut Write) -> Serializer {
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:762:56
[INFO] [stderr]     |
[INFO] [stderr] 762 |     pub fn load<T:WithSchema+Deserialize>(reader: &mut Read, version: u32) -> Result<T,SavefileError> {
[INFO] [stderr]     |                                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:768:65
[INFO] [stderr]     |
[INFO] [stderr] 768 |     pub fn load_noschema<T:WithSchema+Deserialize>(reader: &mut Read, version: u32) -> Result<T,SavefileError> {
[INFO] [stderr]     |                                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:771:57
[INFO] [stderr]     |
[INFO] [stderr] 771 |     fn load_impl<T:WithSchema+Deserialize>(reader: &mut Read, version: u32, fetch_schema: bool) -> Result<T,SavefileError> {
[INFO] [stderr]     |                                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:803:33
[INFO] [stderr]     |
[INFO] [stderr] 803 |     pub fn new_raw(reader: &mut Read) -> Deserializer {
[INFO] [stderr]     |                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:817:52
[INFO] [stderr]     |
[INFO] [stderr] 817 | pub fn load<T:WithSchema+Deserialize>(reader: &mut Read, version: u32) -> Result<T,SavefileError> {
[INFO] [stderr]     |                                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:823:50
[INFO] [stderr]     |
[INFO] [stderr] 823 | pub fn save<T:WithSchema+Serialize>(writer: &mut Write, version: u32, data: &T) -> Result<(),SavefileError> {
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:829:61
[INFO] [stderr]     |
[INFO] [stderr] 829 | pub fn load_noschema<T:WithSchema+Deserialize>(reader: &mut Read, version: u32) -> Result<T,SavefileError> {
[INFO] [stderr]     |                                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:842:59
[INFO] [stderr]     |
[INFO] [stderr] 842 | pub fn save_noschema<T:WithSchema+Serialize>(writer: &mut Write, version: u32, data: &T) -> Result<(),SavefileError> {
[INFO] [stderr]     |                                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(alloc)]
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.06s
[INFO] running `"docker" "inspect" "ce1b97497b6db1b2011488aafd7a86c0d44b842154fcf1fc77b1a3b376a4d56a"`
[INFO] running `"docker" "rm" "-f" "ce1b97497b6db1b2011488aafd7a86c0d44b842154fcf1fc77b1a3b376a4d56a"`
[INFO] [stdout] ce1b97497b6db1b2011488aafd7a86c0d44b842154fcf1fc77b1a3b376a4d56a