[INFO] fetching crate fup 0.7.7...
[INFO] checking fup-0.7.7 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate fup 0.7.7 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate fup 0.7.7 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fup 0.7.7
[INFO] finished tweaking crates.io crate fup 0.7.7
[INFO] tweaked toml for crates.io crate fup 0.7.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate fup 0.7.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03795fd635d184a6f661e934469537e2f8b73d3353f5307245aa249b2ae08294
[INFO] running `Command { std: "docker" "start" "-a" "03795fd635d184a6f661e934469537e2f8b73d3353f5307245aa249b2ae08294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03795fd635d184a6f661e934469537e2f8b73d3353f5307245aa249b2ae08294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03795fd635d184a6f661e934469537e2f8b73d3353f5307245aa249b2ae08294", kill_on_drop: false }`
[INFO] [stdout] 03795fd635d184a6f661e934469537e2f8b73d3353f5307245aa249b2ae08294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a710bf80483a53bcb5f2bca818a56d8d1a24cdc94d80459a17f8b416a3276f7e
[INFO] running `Command { std: "docker" "start" "-a" "a710bf80483a53bcb5f2bca818a56d8d1a24cdc94d80459a17f8b416a3276f7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling time v0.2.14
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking fup v0.7.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/filterclass.rs:76:37
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         _ => panic!(name.to_owned()),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         _ => panic!("{}", name.to_owned()),
[INFO] [stdout]    |                                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/filterclass.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 |                         _ => panic!(name.to_owned()),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 96 |                         _ => panic!("{}", name.to_owned()),
[INFO] [stdout]    |                                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.03s
[INFO] running `Command { std: "docker" "inspect" "a710bf80483a53bcb5f2bca818a56d8d1a24cdc94d80459a17f8b416a3276f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a710bf80483a53bcb5f2bca818a56d8d1a24cdc94d80459a17f8b416a3276f7e", kill_on_drop: false }`
[INFO] [stdout] a710bf80483a53bcb5f2bca818a56d8d1a24cdc94d80459a17f8b416a3276f7e