[INFO] fetching crate rs-urlencoding 1.0.0...
[INFO] building rs-urlencoding-1.0.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rs-urlencoding 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rs-urlencoding 1.0.0
[INFO] finished tweaking crates.io crate rs-urlencoding 1.0.0
[INFO] tweaked toml for crates.io crate rs-urlencoding 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-urlencoding 1.0.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b88546c0a60e153f1698f3068574e7641d0a46bd05d73381a49c51b6f4d6bcaa
[INFO] running `Command { std: "docker" "start" "-a" "b88546c0a60e153f1698f3068574e7641d0a46bd05d73381a49c51b6f4d6bcaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b88546c0a60e153f1698f3068574e7641d0a46bd05d73381a49c51b6f4d6bcaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88546c0a60e153f1698f3068574e7641d0a46bd05d73381a49c51b6f4d6bcaa", kill_on_drop: false }`
[INFO] [stdout] b88546c0a60e153f1698f3068574e7641d0a46bd05d73381a49c51b6f4d6bcaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 996c485a26e2a73c068008dca9282f7d3515f15b0c8e1babf1caf74d626f6836
[INFO] running `Command { std: "docker" "start" "-a" "996c485a26e2a73c068008dca9282f7d3515f15b0c8e1babf1caf74d626f6836", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-urlencoding v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `matches_macro` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | #![feature(matches_macro)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dec.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn decode(data: &str) -> Result<Cow<str>, FromUtf8Error> {
[INFO] [stdout]    |                     ^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn decode(data: &str) -> Result<Cow<'_, str>, FromUtf8Error> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dec.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn decode_binary(mut data: &[u8]) -> Cow<[u8]> {
[INFO] [stdout]    |                                ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn decode_binary(mut data: &[u8]) -> Cow<'_, [u8]> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enc.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn to_str(&self) -> Cow<str> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn to_str(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enc.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn encode(data: &str) -> Cow<str> {
[INFO] [stdout]    |                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn encode(data: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enc.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn encode_binary(data: &[u8]) -> Cow<str> {
[INFO] [stdout]    |                            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn encode_binary(data: &[u8]) -> Cow<'_, str> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "996c485a26e2a73c068008dca9282f7d3515f15b0c8e1babf1caf74d626f6836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996c485a26e2a73c068008dca9282f7d3515f15b0c8e1babf1caf74d626f6836", kill_on_drop: false }`
[INFO] [stdout] 996c485a26e2a73c068008dca9282f7d3515f15b0c8e1babf1caf74d626f6836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11812bd0e71b83ce566ba2b661dbdfc6a679d05793435a64d988ba6b133fcab6
[INFO] running `Command { std: "docker" "start" "-a" "11812bd0e71b83ce566ba2b661dbdfc6a679d05793435a64d988ba6b133fcab6", kill_on_drop: false }`
[INFO] [stdout] warning: the feature `matches_macro` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | #![feature(matches_macro)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dec.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn decode(data: &str) -> Result<Cow<str>, FromUtf8Error> {
[INFO] [stdout]    |                     ^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn decode(data: &str) -> Result<Cow<'_, str>, FromUtf8Error> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dec.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn decode_binary(mut data: &[u8]) -> Cow<[u8]> {
[INFO] [stdout]    |                                ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn decode_binary(mut data: &[u8]) -> Cow<'_, [u8]> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enc.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn to_str(&self) -> Cow<str> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn to_str(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rs-urlencoding v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enc.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn encode(data: &str) -> Cow<str> {
[INFO] [stdout]    |                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn encode(data: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enc.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn encode_binary(data: &[u8]) -> Cow<str> {
[INFO] [stdout]    |                            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn encode_binary(data: &[u8]) -> Cow<'_, str> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `matches_macro` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | #![feature(matches_macro)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dec.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn decode(data: &str) -> Result<Cow<str>, FromUtf8Error> {
[INFO] [stdout]    |                     ^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn decode(data: &str) -> Result<Cow<'_, str>, FromUtf8Error> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dec.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn decode_binary(mut data: &[u8]) -> Cow<[u8]> {
[INFO] [stdout]    |                                ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn decode_binary(mut data: &[u8]) -> Cow<'_, [u8]> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enc.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn to_str(&self) -> Cow<str> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn to_str(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enc.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn encode(data: &str) -> Cow<str> {
[INFO] [stdout]    |                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn encode(data: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enc.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn encode_binary(data: &[u8]) -> Cow<str> {
[INFO] [stdout]    |                            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn encode_binary(data: &[u8]) -> Cow<'_, str> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "11812bd0e71b83ce566ba2b661dbdfc6a679d05793435a64d988ba6b133fcab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11812bd0e71b83ce566ba2b661dbdfc6a679d05793435a64d988ba6b133fcab6", kill_on_drop: false }`
[INFO] [stdout] 11812bd0e71b83ce566ba2b661dbdfc6a679d05793435a64d988ba6b133fcab6
