[INFO] fetching crate quickxml_to_serde 0.4.1...
[INFO] checking quickxml_to_serde-0.4.1 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate quickxml_to_serde 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate quickxml_to_serde 0.4.1 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quickxml_to_serde 0.4.1
[INFO] finished tweaking crates.io crate quickxml_to_serde 0.4.1
[INFO] tweaked toml for crates.io crate quickxml_to_serde 0.4.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate quickxml_to_serde 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", 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] 5b263f5178d717d57632fba232a5173059fa9722bb8d07cb25392dbd8b952b49
[INFO] running `Command { std: "docker" "start" "-a" "5b263f5178d717d57632fba232a5173059fa9722bb8d07cb25392dbd8b952b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b263f5178d717d57632fba232a5173059fa9722bb8d07cb25392dbd8b952b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b263f5178d717d57632fba232a5173059fa9722bb8d07cb25392dbd8b952b49", kill_on_drop: false }`
[INFO] [stdout] 5b263f5178d717d57632fba232a5173059fa9722bb8d07cb25392dbd8b952b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a979b5e53d6c60769071a11245362c5a9fc85355a259bd38ec44fd03590cff1d
[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" "a979b5e53d6c60769071a11245362c5a9fc85355a259bd38ec44fd03590cff1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking minidom v0.12.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]     Checking quickxml_to_serde v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:392:17
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 format!("Failed on {:?}", entry.as_os_str())
[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] 392 |                 "Failed on {:?}", entry.as_os_str()
[INFO] [stdout]     |                --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.15s
[INFO] running `Command { std: "docker" "inspect" "a979b5e53d6c60769071a11245362c5a9fc85355a259bd38ec44fd03590cff1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a979b5e53d6c60769071a11245362c5a9fc85355a259bd38ec44fd03590cff1d", kill_on_drop: false }`
[INFO] [stdout] a979b5e53d6c60769071a11245362c5a9fc85355a259bd38ec44fd03590cff1d