[INFO] fetching crate did_doc 0.3.1...
[INFO] checking did_doc-0.3.1 against master#ad0d4190facd509a5c79dce427bb7deb2824046e for pr-92472
[INFO] extracting crate did_doc 0.3.1 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate did_doc 0.3.1 on toolchain ad0d4190facd509a5c79dce427bb7deb2824046e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate did_doc 0.3.1
[INFO] finished tweaking crates.io crate did_doc 0.3.1
[INFO] tweaked toml for crates.io crate did_doc 0.3.1 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2573b61f34c2721edcde6c98a4efa994756f35b92ddb65a3091d9b634b7e9b1b
[INFO] running `Command { std: "docker" "start" "-a" "2573b61f34c2721edcde6c98a4efa994756f35b92ddb65a3091d9b634b7e9b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2573b61f34c2721edcde6c98a4efa994756f35b92ddb65a3091d9b634b7e9b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2573b61f34c2721edcde6c98a4efa994756f35b92ddb65a3091d9b634b7e9b1b", kill_on_drop: false }`
[INFO] [stdout] 2573b61f34c2721edcde6c98a4efa994756f35b92ddb65a3091d9b634b7e9b1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1270905ae87fbd448fb3478cbd44405d07834d81b879c658174d1a95b62cae1e
[INFO] running `Command { std: "docker" "start" "-a" "1270905ae87fbd448fb3478cbd44405d07834d81b879c658174d1a95b62cae1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking did_doc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/fields/publickey.rs:106:10
[INFO] [stdout]     |
[INFO] [stdout] 106 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/fields/publickey.rs:106:10
[INFO] [stdout]     |
[INFO] [stdout] 106 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:51:22
[INFO] [stdout]    |
[INFO] [stdout] 51 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 |         for cause in <dyn Fail>::iter_chain(&self.inner) {
[INFO] [stdout]    |                      ++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:51:22
[INFO] [stdout]    |
[INFO] [stdout] 51 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 |         for cause in <dyn Fail>::iter_chain(&self.inner) {
[INFO] [stdout]    |                      ++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7m 00s
[INFO] running `Command { std: "docker" "inspect" "1270905ae87fbd448fb3478cbd44405d07834d81b879c658174d1a95b62cae1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1270905ae87fbd448fb3478cbd44405d07834d81b879c658174d1a95b62cae1e", kill_on_drop: false }`
[INFO] [stdout] 1270905ae87fbd448fb3478cbd44405d07834d81b879c658174d1a95b62cae1e