[INFO] fetching crate kea 0.1.3...
[INFO] checking kea-0.1.3 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate kea 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate kea 0.1.3 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kea 0.1.3
[INFO] finished tweaking crates.io crate kea 0.1.3
[INFO] tweaked toml for crates.io crate kea 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 226 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.21)
[INFO] [stderr]       Adding dirs v1.0.5 (available: v5.0.1)
[INFO] [stderr]       Adding termion v1.5.6 (available: v4.0.3)
[INFO] [stderr]       Adding toml v0.4.10 (available: v0.8.19)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dd22c392babf1a7091df4b31677626dae3df94551c8a0d36197a653c32345ee
[INFO] running `Command { std: "docker" "start" "-a" "8dd22c392babf1a7091df4b31677626dae3df94551c8a0d36197a653c32345ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dd22c392babf1a7091df4b31677626dae3df94551c8a0d36197a653c32345ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd22c392babf1a7091df4b31677626dae3df94551c8a0d36197a653c32345ee", kill_on_drop: false }`
[INFO] [stdout] 8dd22c392babf1a7091df4b31677626dae3df94551c8a0d36197a653c32345ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2029ecbae6b14a6eef6ef47d87c440b562724e4c4ce24b9d11cf5979dc57f8dc
[INFO] running `Command { std: "docker" "start" "-a" "2029ecbae6b14a6eef6ef47d87c440b562724e4c4ce24b9d11cf5979dc57f8dc", kill_on_drop: false }`
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[INFO] [stdout] error[E0432]: unresolved import `alpm_rs::List`
[INFO] [stdout]  --> src/repo/upgrade.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use alpm_rs::{Handle, List};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       no `List` in the root
[INFO] [stdout]   |                       help: a similar name exists in the module: `list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alpm_rs::List`
[INFO] [stdout]  --> src/repo/upgrade.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use alpm_rs::{Handle, List};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       no `List` in the root
[INFO] [stdout]   |                       help: a similar name exists in the module: `list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:16:44
[INFO] [stdout]    |
[INFO] [stdout] 16 | type Result<T> = std::result::Result<T,Box<Error>>;
[INFO] [stdout]    |                                            ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 | type Result<T> = std::result::Result<T,Box<dyn Error>>;
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:16:44
[INFO] [stdout]    |
[INFO] [stdout] 16 | type Result<T> = std::result::Result<T,Box<Error>>;
[INFO] [stdout]    |                                            ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 | type Result<T> = std::result::Result<T,Box<dyn Error>>;
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/terminal.rs:10:77
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn package_selection(packages: &PackageInfoList, load_error: Option<Box<std::error::Error>>) -> Vec<i32>  {
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn package_selection(packages: &PackageInfoList, load_error: Option<Box<dyn std::error::Error>>) -> Vec<i32>  {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/terminal.rs:10:77
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn package_selection(packages: &PackageInfoList, load_error: Option<Box<std::error::Error>>) -> Vec<i32>  {
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn package_selection(packages: &PackageInfoList, load_error: Option<Box<dyn std::error::Error>>) -> Vec<i32>  {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/conf.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn load() -> Result<Self, Box<Error>>{
[INFO] [stdout]    |                                       ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn load() -> Result<Self, Box<dyn Error>>{
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/conf.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn save(&self) -> Result<(), Box<Error>>{
[INFO] [stdout]    |                                          ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn save(&self) -> Result<(), Box<dyn Error>>{
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/conf.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn load() -> Result<Self, Box<Error>>{
[INFO] [stdout]    |                                       ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn load() -> Result<Self, Box<dyn Error>>{
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/conf.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn save(&self) -> Result<(), Box<Error>>{
[INFO] [stdout]    |                                          ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn save(&self) -> Result<(), Box<dyn Error>>{
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/repo/search.rs:7:64
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn search_aur(search: &str) -> Result<PackageInfoList, Box<Error>> {
[INFO] [stdout]   |                                                                ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn search_aur(search: &str) -> Result<PackageInfoList, Box<dyn Error>> {
[INFO] [stdout]   |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/repo/search.rs:7:64
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn search_aur(search: &str) -> Result<PackageInfoList, Box<Error>> {
[INFO] [stdout]   |                                                                ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn search_aur(search: &str) -> Result<PackageInfoList, Box<dyn Error>> {
[INFO] [stdout]   |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:119:35
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut aur_error: Option<Box<Error>> = None;
[INFO] [stdout]     |                                   ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut aur_error: Option<Box<dyn Error>> = None;
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:119:35
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut aur_error: Option<Box<Error>> = None;
[INFO] [stdout]     |                                   ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut aur_error: Option<Box<dyn Error>> = None;
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut cfg : Config;
[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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kea` (bin "kea") due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut cfg : Config;
[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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kea` (bin "kea" test) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2029ecbae6b14a6eef6ef47d87c440b562724e4c4ce24b9d11cf5979dc57f8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2029ecbae6b14a6eef6ef47d87c440b562724e4c4ce24b9d11cf5979dc57f8dc", kill_on_drop: false }`
[INFO] [stdout] 2029ecbae6b14a6eef6ef47d87c440b562724e4c4ce24b9d11cf5979dc57f8dc
