[INFO] fetching crate urlencode 0.1.2...
[INFO] testing urlencode-0.1.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate urlencode 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate urlencode 0.1.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate urlencode 0.1.2
[INFO] finished tweaking crates.io crate urlencode 0.1.2
[INFO] tweaked toml for crates.io crate urlencode 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59005f3f40c76e654952696c9c9016b4603befce90124ebe0861bc1df1eca044
[INFO] running `Command { std: "docker" "start" "-a" "59005f3f40c76e654952696c9c9016b4603befce90124ebe0861bc1df1eca044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59005f3f40c76e654952696c9c9016b4603befce90124ebe0861bc1df1eca044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59005f3f40c76e654952696c9c9016b4603befce90124ebe0861bc1df1eca044", kill_on_drop: false }`
[INFO] [stdout] 59005f3f40c76e654952696c9c9016b4603befce90124ebe0861bc1df1eca044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb1dac6957d6a01c6ec66afebd61274253c17497899125e0ee77f745834ec8db
[INFO] running `Command { std: "docker" "start" "-a" "cb1dac6957d6a01c6ec66afebd61274253c17497899125e0ee77f745834ec8db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling urlencode v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn run(arg_matches: &ArgMatches) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 62 - fn run(arg_matches: &ArgMatches) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout] 62 + fn run(arg_matches: &ArgMatches) -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | ) -> Result<(), Box<Error + Send + Sync>> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 - ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout] 87 + ) -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:114:21
[INFO] [stdout]     |
[INFO] [stdout] 114 | ) -> Result<(), Box<Error + Send + Sync>> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 114 - ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout] 114 + ) -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "cb1dac6957d6a01c6ec66afebd61274253c17497899125e0ee77f745834ec8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1dac6957d6a01c6ec66afebd61274253c17497899125e0ee77f745834ec8db", kill_on_drop: false }`
[INFO] [stdout] cb1dac6957d6a01c6ec66afebd61274253c17497899125e0ee77f745834ec8db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2016a21c83b1d45ecc23a5f85cdec870586c6324cb3e36747c3b2ad10ecfd5fd
[INFO] running `Command { std: "docker" "start" "-a" "2016a21c83b1d45ecc23a5f85cdec870586c6324cb3e36747c3b2ad10ecfd5fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling urlencode v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn run(arg_matches: &ArgMatches) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 62 - fn run(arg_matches: &ArgMatches) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout] 62 + fn run(arg_matches: &ArgMatches) -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | ) -> Result<(), Box<Error + Send + Sync>> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 - ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout] 87 + ) -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:114:21
[INFO] [stdout]     |
[INFO] [stdout] 114 | ) -> Result<(), Box<Error + Send + Sync>> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 114 - ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stdout] 114 + ) -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "2016a21c83b1d45ecc23a5f85cdec870586c6324cb3e36747c3b2ad10ecfd5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2016a21c83b1d45ecc23a5f85cdec870586c6324cb3e36747c3b2ad10ecfd5fd", kill_on_drop: false }`
[INFO] [stdout] 2016a21c83b1d45ecc23a5f85cdec870586c6324cb3e36747c3b2ad10ecfd5fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fecc855512bcc5349ce454ed6c74a543484e87fff5470b29ecbc415ac3074de8
[INFO] running `Command { std: "docker" "start" "-a" "fecc855512bcc5349ce454ed6c74a543484e87fff5470b29ecbc415ac3074de8", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:62:52
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn run(arg_matches: &ArgMatches) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 62 - fn run(arg_matches: &ArgMatches) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stderr] 62 + fn run(arg_matches: &ArgMatches) -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 | ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 87 - ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stderr] 87 + ) -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:114:21
[INFO] [stderr]     |
[INFO] [stderr] 114 | ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 114 - ) -> Result<(), Box<Error + Send + Sync>> {
[INFO] [stderr] 114 + ) -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `urlencode` (bin "urlencode" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/urlencode-44f751d86d9c4f42)
[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" "fecc855512bcc5349ce454ed6c74a543484e87fff5470b29ecbc415ac3074de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fecc855512bcc5349ce454ed6c74a543484e87fff5470b29ecbc415ac3074de8", kill_on_drop: false }`
[INFO] [stdout] fecc855512bcc5349ce454ed6c74a543484e87fff5470b29ecbc415ac3074de8