[INFO] fetching crate sophia_iri 0.6.2...
[INFO] checking sophia_iri-0.6.2 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate sophia_iri 0.6.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sophia_iri 0.6.2 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sophia_iri 0.6.2
[INFO] finished tweaking crates.io crate sophia_iri 0.6.2
[INFO] tweaked toml for crates.io crate sophia_iri 0.6.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 400abb63b47c834b71a4444ee35a6221ebb49eeb4f3e0f79d81f73bf8e5e0940
[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" "400abb63b47c834b71a4444ee35a6221ebb49eeb4f3e0f79d81f73bf8e5e0940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "400abb63b47c834b71a4444ee35a6221ebb49eeb4f3e0f79d81f73bf8e5e0940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "400abb63b47c834b71a4444ee35a6221ebb49eeb4f3e0f79d81f73bf8e5e0940", kill_on_drop: false }`
[INFO] [stdout] 400abb63b47c834b71a4444ee35a6221ebb49eeb4f3e0f79d81f73bf8e5e0940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7092b68eb30d1cc5a406951759467dd11704399ef88aecc1382fdf21a12d200f
[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" "7092b68eb30d1cc5a406951759467dd11704399ef88aecc1382fdf21a12d200f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking mownstr v0.1.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking sophia_iri v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/resolve.rs:210:34
[INFO] [stdout]     |
[INFO] [stdout] 210 |             assert!(rpi.is_ok(), format!("<{}> → {:?}", txt, rpi));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 210 |             assert!(rpi.is_ok(), "<{}> → {:?}", txt, rpi);
[INFO] [stdout]     |                                 --                     --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/resolve.rs:226:35
[INFO] [stdout]     |
[INFO] [stdout] 226 |             assert!(rpi.is_err(), format!("<{}> → {:?}", txt, rpi));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 226 |             assert!(rpi.is_err(), "<{}> → {:?}", txt, rpi);
[INFO] [stdout]     |                                  --                     --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.83s
[INFO] running `Command { std: "docker" "inspect" "7092b68eb30d1cc5a406951759467dd11704399ef88aecc1382fdf21a12d200f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7092b68eb30d1cc5a406951759467dd11704399ef88aecc1382fdf21a12d200f", kill_on_drop: false }`
[INFO] [stdout] 7092b68eb30d1cc5a406951759467dd11704399ef88aecc1382fdf21a12d200f