[INFO] fetching crate url2 0.0.6...
[INFO] checking url2-0.0.6 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate url2 0.0.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate url2 0.0.6 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate url2 0.0.6
[INFO] finished tweaking crates.io crate url2 0.0.6
[INFO] tweaked toml for crates.io crate url2 0.0.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 297af3be39919ea2a411dc70641192cfbdcb5302b552da7d9404e19516a20ef2
[INFO] running `Command { std: "docker" "start" "-a" "297af3be39919ea2a411dc70641192cfbdcb5302b552da7d9404e19516a20ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "297af3be39919ea2a411dc70641192cfbdcb5302b552da7d9404e19516a20ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297af3be39919ea2a411dc70641192cfbdcb5302b552da7d9404e19516a20ef2", kill_on_drop: false }`
[INFO] [stdout] 297af3be39919ea2a411dc70641192cfbdcb5302b552da7d9404e19516a20ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b768a3c3f2d93fa7339e7c63f2bf362d16c4013ebc84cae3d1584d68e1b9df2
[INFO] running `Command { std: "docker" "start" "-a" "2b768a3c3f2d93fa7339e7c63f2bf362d16c4013ebc84cae3d1584d68e1b9df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking url2 v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/url2.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Ok(Url2::priv_new(Url::parse(s.as_ref())?))
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:2:11
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forbidden_lint_groups)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/url2.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Ok(Url2::priv_new(Url::parse(s.as_ref())?))
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:2:11
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/url2.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let url: Url = serde::Deserialize::deserialize(deserializer)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:2:11
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![forbid(warnings)]
[INFO] [stdout]     |           -------- `forbid` level set here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/url2.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Ok(Url2::priv_new(Url::parse(s.as_ref())?))
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:2:11
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forbidden_lint_groups)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/url2.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Ok(Url2::priv_new(Url::parse(s.as_ref())?))
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:2:11
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/url2.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let url: Url = serde::Deserialize::deserialize(deserializer)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:2:11
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![forbid(warnings)]
[INFO] [stdout]     |           -------- `forbid` level set here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.01s
[INFO] running `Command { std: "docker" "inspect" "2b768a3c3f2d93fa7339e7c63f2bf362d16c4013ebc84cae3d1584d68e1b9df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b768a3c3f2d93fa7339e7c63f2bf362d16c4013ebc84cae3d1584d68e1b9df2", kill_on_drop: false }`
[INFO] [stdout] 2b768a3c3f2d93fa7339e7c63f2bf362d16c4013ebc84cae3d1584d68e1b9df2