[INFO] fetching crate msgpack-rs 0.0.1...
[INFO] testing msgpack-rs-0.0.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate msgpack-rs 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate msgpack-rs 0.0.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 428434bc34efe56a8d6c0b628112fced2349609aa2650d143288ff4fe92f7c85
[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" "428434bc34efe56a8d6c0b628112fced2349609aa2650d143288ff4fe92f7c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "428434bc34efe56a8d6c0b628112fced2349609aa2650d143288ff4fe92f7c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428434bc34efe56a8d6c0b628112fced2349609aa2650d143288ff4fe92f7c85", kill_on_drop: false }`
[INFO] [stdout] 428434bc34efe56a8d6c0b628112fced2349609aa2650d143288ff4fe92f7c85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e97d0fb0a93cc8cf4ed8c08d8a2bf406537dacef05d823467950b0c73fbad6d
[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" "8e97d0fb0a93cc8cf4ed8c08d8a2bf406537dacef05d823467950b0c73fbad6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling msgpack-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DeserializeOwned`
[INFO] [stdout]  --> src/de.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::forward_to_deserialize_any`
[INFO] [stdout]  --> src/de.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::forward_to_deserialize_any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pack_error.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/unpack.rs:254:66
[INFO] [stdout]     |
[INFO] [stdout] 254 | pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stdout]     |                                                                  ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unpack_error.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/pack_error.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unpack_error.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 |             UnpackError(ref e) => e.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |             PackError(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src/de.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns overlap on their endpoints
[INFO] [stdout]    --> src/pack.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         17..=256 => {
[INFO] [stdout]     |         -------- this range overlaps on `256_usize`...
[INFO] [stdout] ...
[INFO] [stdout] 166 |         256..=65536 => {
[INFO] [stdout]     |         ^^^^^^^^^^^ ... with this range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(overlapping_range_endpoints)]` on by default
[INFO] [stdout]     = note: you likely meant to write mutually exclusive ranges
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "8e97d0fb0a93cc8cf4ed8c08d8a2bf406537dacef05d823467950b0c73fbad6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e97d0fb0a93cc8cf4ed8c08d8a2bf406537dacef05d823467950b0c73fbad6d", kill_on_drop: false }`
[INFO] [stdout] 8e97d0fb0a93cc8cf4ed8c08d8a2bf406537dacef05d823467950b0c73fbad6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--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] a63ed58b508c25a7da7d52a2458876aec8e23bca2e4c166feea5485ae035000c
[INFO] running `Command { std: "docker" "start" "-a" "a63ed58b508c25a7da7d52a2458876aec8e23bca2e4c166feea5485ae035000c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `DeserializeOwned`
[INFO] [stdout]  --> src/de.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::forward_to_deserialize_any`
[INFO] [stdout]  --> src/de.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::forward_to_deserialize_any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling msgpack-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pack_error.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/unpack.rs:254:66
[INFO] [stdout]     |
[INFO] [stdout] 254 | pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stdout]     |                                                                  ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unpack_error.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/pack_error.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unpack_error.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 |             UnpackError(ref e) => e.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |             PackError(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src/de.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns overlap on their endpoints
[INFO] [stdout]    --> src/pack.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         17..=256 => {
[INFO] [stdout]     |         -------- this range overlaps on `256_usize`...
[INFO] [stdout] ...
[INFO] [stdout] 166 |         256..=65536 => {
[INFO] [stdout]     |         ^^^^^^^^^^^ ... with this range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(overlapping_range_endpoints)]` on by default
[INFO] [stdout]     = note: you likely meant to write mutually exclusive ranges
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DeserializeOwned`
[INFO] [stdout]  --> src/de.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::forward_to_deserialize_any`
[INFO] [stdout]  --> src/de.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::forward_to_deserialize_any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pack_error.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/unpack.rs:254:66
[INFO] [stdout]     |
[INFO] [stdout] 254 | pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stdout]     |                                                                  ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unpack_error.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/pack_error.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unpack_error.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 |             UnpackError(ref e) => e.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |             PackError(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src/de.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns overlap on their endpoints
[INFO] [stdout]    --> src/pack.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         17..=256 => {
[INFO] [stdout]     |         -------- this range overlaps on `256_usize`...
[INFO] [stdout] ...
[INFO] [stdout] 166 |         256..=65536 => {
[INFO] [stdout]     |         ^^^^^^^^^^^ ... with this range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(overlapping_range_endpoints)]` on by default
[INFO] [stdout]     = note: you likely meant to write mutually exclusive ranges
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "a63ed58b508c25a7da7d52a2458876aec8e23bca2e4c166feea5485ae035000c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63ed58b508c25a7da7d52a2458876aec8e23bca2e4c166feea5485ae035000c", kill_on_drop: false }`
[INFO] [stdout] a63ed58b508c25a7da7d52a2458876aec8e23bca2e4c166feea5485ae035000c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", 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] e5ddc563bb6abeee112f8e71ffdab188927d4cde5429a451b8077dfbc97306dc
[INFO] running `Command { std: "docker" "start" "-a" "e5ddc563bb6abeee112f8e71ffdab188927d4cde5429a451b8077dfbc97306dc", kill_on_drop: false }`
[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]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/de.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |         error::Error::description(self).fmt(f)
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/pack_error.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |         error::Error::description(self).fmt(f)
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/ser/error.rs:59:23
[INFO] [stderr]    |
[INFO] [stderr] 59 |         error::Error::description(self).fmt(f)
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/unpack_error.rs:14:23
[INFO] [stderr]    |
[INFO] [stderr] 14 |         error::Error::description(self).fmt(f)
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/de.rs:39:37
[INFO] [stderr]    |
[INFO] [stderr] 39 |             UnpackError(ref e) => e.description(),
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/ser/error.rs:32:35
[INFO] [stderr]    |
[INFO] [stderr] 32 |             PackError(ref e) => e.description(),
[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] warning: multiple patterns overlap on their endpoints
[INFO] [stderr]    --> src/pack.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         17..=256 => {
[INFO] [stderr]     |         -------- this range overlaps on `256_usize`...
[INFO] [stderr] ...
[INFO] [stderr] 166 |         256..=65536 => {
[INFO] [stderr]     |         ^^^^^^^^^^^ ... with this range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(overlapping_range_endpoints)]` on by default
[INFO] [stderr]     = note: you likely meant to write mutually exclusive ranges
[INFO] [stderr] 
[INFO] [stderr] warning: `msgpack-rs` (lib) generated 13 warnings
[INFO] [stderr] warning: `msgpack-rs` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/msgpack-7a370f736e3e203e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test unpack::ref_value::test_unpack_bin ... ok
[INFO] [stdout] test unpack::ref_value::test_unpack_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/de.rs (/opt/rustwide/target/debug/deps/de-957ee480f8248eaa)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test de_bool ... ok
[INFO] [stdout] test de_u32 ... ok
[INFO] [stdout] test unpack_str ... ok
[INFO] [stdout] test unpack_seq ... ok
[INFO] [stdout] test de_u8 ... ok
[INFO] [stdout] test de_option ... ok
[INFO] [stdout] test unpack_tuple ... ok
[INFO] [stdout] test unpack_struct ... ok
[INFO] [stdout] test unpack_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-f61e25085ec54942)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test packer_unpacker ... 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] [stderr]      Running tests/pack.rs (/opt/rustwide/target/debug/deps/pack-1f0bf098f83b201d)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test pack_bool ... ok
[INFO] [stdout] test pack_fixary ... ok
[INFO] [stdout] test pack_fixext ... ok
[INFO] [stdout] test pack_fixmap ... ok
[INFO] [stdout] test pack_fixstr ... ok
[INFO] [stdout] test pack_from_i16 ... ok
[INFO] [stdout] test pack_from_i32 ... ok
[INFO] [stdout] test pack_from_i64 ... ok
[INFO] [stdout] test pack_from_i8 ... ok
[INFO] [stdout] test pack_from_u16 ... ok
[INFO] [stdout] test pack_from_u32 ... ok
[INFO] [stdout] test pack_from_u64 ... ok
[INFO] [stdout] test pack_from_u8 ... ok
[INFO] [stdout] test pack_i16 ... ok
[INFO] [stdout] test pack_i32 ... ok
[INFO] [stdout] test pack_i64 ... ok
[INFO] [stdout] test pack_i8 ... ok
[INFO] [stdout] test pack_nil ... ok
[INFO] [stdout] test pack_str8 ... ok
[INFO] [stdout] test pack_u64 ... ok
[INFO] [stdout] test pack_u8 ... ok
[INFO] [stdout] test pack_u32 ... ok
[INFO] [stdout] test pack_u16 ... ok
[INFO] [stdout] test pack_timestamp ... ok
[INFO] [stdout] test pack_bin ... ok
[INFO] [stdout] test pack_ary16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/packer.rs (/opt/rustwide/target/debug/deps/packer-19362e720c7e8f38)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test packer ... 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] [stderr]      Running tests/ser.rs (/opt/rustwide/target/debug/deps/ser-57561785491d7e09)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test ser_array ... ok
[INFO] [stdout] test ser_bool ... ok
[INFO] [stdout] test ser_newtype_struct ... ok
[INFO] [stdout] test ser_option ... ok
[INFO] [stdout] test ser_newtype_variant ... ok
[INFO] [stdout] test ser_str ... ok
[INFO] [stdout] test ser_struct ... ok
[INFO] [stdout] test ser_string ... ok
[INFO] [stdout] test ser_struct_variant ... ok
[INFO] [stdout] test ser_tuple ... ok
[INFO] [stdout] test ser_tuple_struct ... ok
[INFO] [stdout] test ser_tuple_variant ... ok
[INFO] [stdout] test ser_u8 ... ok
[INFO] [stdout] test ser_unit_struct ... ok
[INFO] [stdout] test ser_unit_variant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unpack.rs (/opt/rustwide/target/debug/deps/unpack-7204dcd5dbf81849)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test read_bool ... ok
[INFO] [stdout] test unpack_bin ... ok
[INFO] [stdout] test read_nil ... ok
[INFO] [stdout] test unpack_ext ... ok
[INFO] [stdout] test unpack_fixext1 ... ok
[INFO] [stdout] test unpack_fixary ... ok
[INFO] [stdout] test unpack_fixext2 ... ok
[INFO] [stdout] test unpack_fixext4 ... ok
[INFO] [stdout] test unpack_fixmap ... ok
[INFO] [stdout] test unpack_i16 ... ok
[INFO] [stdout] test unpack_i32 ... ok
[INFO] [stdout] test unpack_i64 ... ok
[INFO] [stdout] test unpack_i8 ... ok
[INFO] [stdout] test unpack_invalid_str_value ... ok
[INFO] [stdout] test unpack_str ... ok
[INFO] [stdout] test unpack_u16 ... ok
[INFO] [stdout] test unpack_u32 ... ok
[INFO] [stdout] test unpack_u64 ... ok
[INFO] [stdout] test unpack_u8 ... ok
[INFO] [stdout] test unpack_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unpacker.rs (/opt/rustwide/target/debug/deps/unpacker-6f880e9861a85b58)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test feed_ref_slice ... ok
[INFO] [stdout] test unpacker ... ok
[INFO] [stdout] test unpacker_iter ... ok
[INFO] [stdout] test unpacker_new_write_and_read ... ok
[INFO] [stdout] test unpacker_new_long_write_and_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests msgpack
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5ddc563bb6abeee112f8e71ffdab188927d4cde5429a451b8077dfbc97306dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ddc563bb6abeee112f8e71ffdab188927d4cde5429a451b8077dfbc97306dc", kill_on_drop: false }`
[INFO] [stdout] e5ddc563bb6abeee112f8e71ffdab188927d4cde5429a451b8077dfbc97306dc
