[INFO] fetching crate how-do-i-escape 0.3.0... [INFO] checking how-do-i-escape-0.3.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate how-do-i-escape 0.3.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate how-do-i-escape 0.3.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fedf656d1c53163174e6c342a00a4ee76f3ed1add41c605e3acb101c43ab20f2 [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" "fedf656d1c53163174e6c342a00a4ee76f3ed1add41c605e3acb101c43ab20f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fedf656d1c53163174e6c342a00a4ee76f3ed1add41c605e3acb101c43ab20f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fedf656d1c53163174e6c342a00a4ee76f3ed1add41c605e3acb101c43ab20f2", kill_on_drop: false }` [INFO] [stdout] fedf656d1c53163174e6c342a00a4ee76f3ed1add41c605e3acb101c43ab20f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ad74587e608b99be9a63c4299436a82493a84f11540110fd6011437d85bb342e [INFO] running `Command { std: "docker" "start" "-a" "ad74587e608b99be9a63c4299436a82493a84f11540110fd6011437d85bb342e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking strsim v0.5.2 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [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: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/main.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [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) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/main.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 16 | fn encode(&mut Iterator) -> Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [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) -> Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/main.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [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) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/main.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 16 | fn encode(&mut Iterator) -> Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [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) -> Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.92s [INFO] running `Command { std: "docker" "inspect" "ad74587e608b99be9a63c4299436a82493a84f11540110fd6011437d85bb342e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad74587e608b99be9a63c4299436a82493a84f11540110fd6011437d85bb342e", kill_on_drop: false }` [INFO] [stdout] ad74587e608b99be9a63c4299436a82493a84f11540110fd6011437d85bb342e