[INFO] fetching crate how-do-i-escape 0.3.0...
[INFO] checking how-do-i-escape-0.3.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate how-do-i-escape 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate how-do-i-escape 0.3.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.5.2
[INFO] [stderr]   Downloaded docopt v0.6.86
[INFO] [stderr]   Downloaded entities v1.0.1
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ad87d93cca2d87b1a552be455db3ad46a9dc6370650aa2645920fd733b5c9c2
[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" "8ad87d93cca2d87b1a552be455db3ad46a9dc6370650aa2645920fd733b5c9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ad87d93cca2d87b1a552be455db3ad46a9dc6370650aa2645920fd733b5c9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad87d93cca2d87b1a552be455db3ad46a9dc6370650aa2645920fd733b5c9c2", kill_on_drop: false }`
[INFO] [stdout] 8ad87d93cca2d87b1a552be455db3ad46a9dc6370650aa2645920fd733b5c9c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2e1bfbbbdff8bcfa48c7fa6db15e5738d07da2181256ef32c38e3e6ac6f6e21
[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" "e2e1bfbbbdff8bcfa48c7fa6db15e5738d07da2181256ef32c38e3e6ac6f6e21", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking how-do-i-escape v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/css.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/html.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/js.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn encode(&mut Iterator<Item = char>) -> Option<String>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/css.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/html.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/js.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn encode(&mut Iterator<Item = char>) -> Option<String>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:107:34
[INFO] [stdout]     |
[INFO] [stdout] 107 |             fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:121:34
[INFO] [stdout]     |
[INFO] [stdout] 121 |             fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:139:34
[INFO] [stdout]     |
[INFO] [stdout] 139 |             fn encode(iter: &mut Iterator<Item = char>) -> Option<String> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `Command { std: "docker" "inspect" "e2e1bfbbbdff8bcfa48c7fa6db15e5738d07da2181256ef32c38e3e6ac6f6e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e1bfbbbdff8bcfa48c7fa6db15e5738d07da2181256ef32c38e3e6ac6f6e21", kill_on_drop: false }`
[INFO] [stdout] e2e1bfbbbdff8bcfa48c7fa6db15e5738d07da2181256ef32c38e3e6ac6f6e21