[INFO] fetching crate fup 0.7.7...
[INFO] checking fup-0.7.7 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate fup 0.7.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fup 0.7.7 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-3/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: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded standback v0.2.8
[INFO] [stderr]   Downloaded serde_json v1.0.52
[INFO] [stderr]   Downloaded time v0.2.14
[INFO] [stderr]   Downloaded time-macros v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a52cbd83545c25492eea812a97fdb859f5b086df8adf6752b7583155a790a4d
[INFO] running `Command { std: "docker" "start" "-a" "6a52cbd83545c25492eea812a97fdb859f5b086df8adf6752b7583155a790a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a52cbd83545c25492eea812a97fdb859f5b086df8adf6752b7583155a790a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a52cbd83545c25492eea812a97fdb859f5b086df8adf6752b7583155a790a4d", kill_on_drop: false }`
[INFO] [stdout] 6a52cbd83545c25492eea812a97fdb859f5b086df8adf6752b7583155a790a4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbec9429776273ac830d3fce6168e8b7c5a96fdf0f1ed3c620160c61f1f5d4ac
[INFO] running `Command { std: "docker" "start" "-a" "cbec9429776273ac830d3fce6168e8b7c5a96fdf0f1ed3c620160c61f1f5d4ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[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: `#[warn(non_fmt_panics)]` on by default
[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] 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 [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `Command { std: "docker" "inspect" "cbec9429776273ac830d3fce6168e8b7c5a96fdf0f1ed3c620160c61f1f5d4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbec9429776273ac830d3fce6168e8b7c5a96fdf0f1ed3c620160c61f1f5d4ac", kill_on_drop: false }`
[INFO] [stdout] cbec9429776273ac830d3fce6168e8b7c5a96fdf0f1ed3c620160c61f1f5d4ac