[INFO] fetching crate print-flat-tree 1.1.3...
[INFO] testing print-flat-tree-1.1.3 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate print-flat-tree 1.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate print-flat-tree 1.1.3
[INFO] finished tweaking crates.io crate print-flat-tree 1.1.3
[INFO] tweaked toml for crates.io crate print-flat-tree 1.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate print-flat-tree 1.1.3 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding flat-tree v3.7.0 (available: v6.0.0)
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3c43081b7f680c35b0bfd29b59d860b3b478fd6ca6be3ed53da82bc4fc0a33a
[INFO] running `Command { std: "docker" "start" "-a" "d3c43081b7f680c35b0bfd29b59d860b3b478fd6ca6be3ed53da82bc4fc0a33a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3c43081b7f680c35b0bfd29b59d860b3b478fd6ca6be3ed53da82bc4fc0a33a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c43081b7f680c35b0bfd29b59d860b3b478fd6ca6be3ed53da82bc4fc0a33a", kill_on_drop: false }`
[INFO] [stdout] d3c43081b7f680c35b0bfd29b59d860b3b478fd6ca6be3ed53da82bc4fc0a33a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6729ee7ccecccabc3fb619d69f84b211e4322370cb0d9b9cfe299c048b2ad4d
[INFO] running `Command { std: "docker" "start" "-a" "d6729ee7ccecccabc3fb619d69f84b211e4322370cb0d9b9cfe299c048b2ad4d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling flat-tree v3.7.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling print-flat-tree v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/lib.rs:99:32
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let partial = arr.join("").trim_right().to_string() + "\n";
[INFO] [stdout]    |                                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 99 -     let partial = arr.join("").trim_right().to_string() + "\n";
[INFO] [stdout] 99 +     let partial = arr.join("").trim_end().to_string() + "\n";
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `print-flat-tree` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d6729ee7ccecccabc3fb619d69f84b211e4322370cb0d9b9cfe299c048b2ad4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6729ee7ccecccabc3fb619d69f84b211e4322370cb0d9b9cfe299c048b2ad4d", kill_on_drop: false }`
[INFO] [stdout] d6729ee7ccecccabc3fb619d69f84b211e4322370cb0d9b9cfe299c048b2ad4d