[INFO] crate msgpack-rs 0.0.1 is already in cache
[INFO] checking msgpack-rs-0.0.1 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate msgpack-rs 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate msgpack-rs 0.0.1 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate msgpack-rs 0.0.1
[INFO] finished tweaking crates.io crate msgpack-rs 0.0.1
[INFO] tweaked toml for crates.io crate msgpack-rs 0.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+e922e6444795ab795fab1943288aee3d543699b8" "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] b8af472ff7f1f90018ec621bfddb91ef8aa68f8f170a9d378ebfeacb87e09769
[INFO] running `"docker" "start" "-a" "b8af472ff7f1f90018ec621bfddb91ef8aa68f8f170a9d378ebfeacb87e09769"`
[INFO] [stderr]     Checking msgpack-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `DeserializeOwned`
[INFO] [stderr]  --> src/de.rs:7:36
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::forward_to_deserialize_any`
[INFO] [stderr]  --> src/de.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde::forward_to_deserialize_any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/pack_error.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/unpack.rs:254:66
[INFO] [stderr]     |
[INFO] [stderr] 254 | pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stderr]     |                                                                  ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unpack_error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DeserializeOwned`
[INFO] [stderr]  --> src/de.rs:7:36
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::forward_to_deserialize_any`
[INFO] [stderr]  --> src/de.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde::forward_to_deserialize_any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/pack_error.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/unpack.rs:254:66
[INFO] [stderr]     |
[INFO] [stderr] 254 | pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stderr]     |                                                                  ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unpack_error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]  --> src/de.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stderr]   |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]  --> src/de.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stderr]   |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `"docker" "inspect" "b8af472ff7f1f90018ec621bfddb91ef8aa68f8f170a9d378ebfeacb87e09769"`
[INFO] running `"docker" "rm" "-f" "b8af472ff7f1f90018ec621bfddb91ef8aa68f8f170a9d378ebfeacb87e09769"`
[INFO] [stdout] b8af472ff7f1f90018ec621bfddb91ef8aa68f8f170a9d378ebfeacb87e09769