[INFO] crate how-do-i-escape 0.3.0 is already in cache
[INFO] checking how-do-i-escape-0.3.0 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate how-do-i-escape 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate how-do-i-escape 0.3.0 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate how-do-i-escape 0.3.0
[INFO] finished tweaking crates.io crate how-do-i-escape 0.3.0
[INFO] tweaked toml for crates.io crate how-do-i-escape 0.3.0 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 35cd952b7502847e81e955c0a3d35d0aef1ca6a14b8dd3bdb4fcf19872c5586c
[INFO] running `"docker" "start" "-a" "35cd952b7502847e81e955c0a3d35d0aef1ca6a14b8dd3bdb4fcf19872c5586c"`
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking how-do-i-escape v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/css.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/html.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/js.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn encode(&mut Iterator<Item = char>) -> Option<String>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/css.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/html.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/js.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn encode(&mut Iterator<Item = char>) -> Option<String>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:107:34
[INFO] [stderr]     |
[INFO] [stderr] 107 |             fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:121:34
[INFO] [stderr]     |
[INFO] [stderr] 121 |             fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:139:34
[INFO] [stderr]     |
[INFO] [stderr] 139 |             fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `"docker" "inspect" "35cd952b7502847e81e955c0a3d35d0aef1ca6a14b8dd3bdb4fcf19872c5586c"`
[INFO] running `"docker" "rm" "-f" "35cd952b7502847e81e955c0a3d35d0aef1ca6a14b8dd3bdb4fcf19872c5586c"`
[INFO] [stdout] 35cd952b7502847e81e955c0a3d35d0aef1ca6a14b8dd3bdb4fcf19872c5586c