[INFO] fetching crate ripm 0.4.0...
[INFO] testing ripm-0.4.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate ripm 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ripm 0.4.0
[INFO] finished tweaking crates.io crate ripm 0.4.0
[INFO] tweaked toml for crates.io crate ripm 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ripm 0.4.0 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] crate crates.io crate ripm 0.4.0 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8dbd5ed943413fa3c98d8168ee0ecd7bf1ca211946dce415608cd684ab585c23
[INFO] running `Command { std: "docker" "start" "-a" "8dbd5ed943413fa3c98d8168ee0ecd7bf1ca211946dce415608cd684ab585c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dbd5ed943413fa3c98d8168ee0ecd7bf1ca211946dce415608cd684ab585c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbd5ed943413fa3c98d8168ee0ecd7bf1ca211946dce415608cd684ab585c23", kill_on_drop: false }`
[INFO] [stdout] 8dbd5ed943413fa3c98d8168ee0ecd7bf1ca211946dce415608cd684ab585c23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8ef47014b97c8602afff289debeae4f8eb0419da42df6e381ba28f267547bc57
[INFO] running `Command { std: "docker" "start" "-a" "8ef47014b97c8602afff289debeae4f8eb0419da42df6e381ba28f267547bc57", kill_on_drop: false }`
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling tokio v1.47.0
[INFO] [stderr]    Compiling rtoolbox v0.0.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rpassword v7.4.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling sha256 v1.6.0
[INFO] [stderr]    Compiling ripm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `to_write` is never read
[INFO] [stdout]    --> src/main.rs:405:50
[INFO] [stdout]     |
[INFO] [stdout] 405 | ...                   let mut to_write = String::new();
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `to_write` is never read
[INFO] [stdout]    --> src/main.rs:419:33
[INFO] [stdout]     |
[INFO] [stdout] 419 |                         let mut to_write = String::new();
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.26s
[INFO] running `Command { std: "docker" "inspect" "8ef47014b97c8602afff289debeae4f8eb0419da42df6e381ba28f267547bc57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef47014b97c8602afff289debeae4f8eb0419da42df6e381ba28f267547bc57", kill_on_drop: false }`
[INFO] [stdout] 8ef47014b97c8602afff289debeae4f8eb0419da42df6e381ba28f267547bc57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88ba624c35d28d0671674fcefcecbf9cc857fe9e821c9ca3bf2fc1d127e263f1
[INFO] running `Command { std: "docker" "start" "-a" "88ba624c35d28d0671674fcefcecbf9cc857fe9e821c9ca3bf2fc1d127e263f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ripm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `to_write` is never read
[INFO] [stdout]    --> src/main.rs:405:50
[INFO] [stdout]     |
[INFO] [stdout] 405 | ...                   let mut to_write = String::new();
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `to_write` is never read
[INFO] [stdout]    --> src/main.rs:419:33
[INFO] [stdout]     |
[INFO] [stdout] 419 |                         let mut to_write = String::new();
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "88ba624c35d28d0671674fcefcecbf9cc857fe9e821c9ca3bf2fc1d127e263f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ba624c35d28d0671674fcefcecbf9cc857fe9e821c9ca3bf2fc1d127e263f1", kill_on_drop: false }`
[INFO] [stdout] 88ba624c35d28d0671674fcefcecbf9cc857fe9e821c9ca3bf2fc1d127e263f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1b32bc792e038b6e56ee229cc7240842f9d83f0e87a31dd37cdf1b7bfe7a5b1
[INFO] running `Command { std: "docker" "start" "-a" "d1b32bc792e038b6e56ee229cc7240842f9d83f0e87a31dd37cdf1b7bfe7a5b1", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `to_write` is never read
[INFO] [stderr]    --> src/main.rs:405:50
[INFO] [stderr]     |
[INFO] [stderr] 405 | ...                   let mut to_write = String::new();
[INFO] [stderr]     |                               ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `to_write` is never read
[INFO] [stderr]    --> src/main.rs:419:33
[INFO] [stderr]     |
[INFO] [stderr] 419 |                         let mut to_write = String::new();
[INFO] [stderr]     |                                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `ripm` (bin "ripm" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ripm-63b440afad5ae6c9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1b32bc792e038b6e56ee229cc7240842f9d83f0e87a31dd37cdf1b7bfe7a5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1b32bc792e038b6e56ee229cc7240842f9d83f0e87a31dd37cdf1b7bfe7a5b1", kill_on_drop: false }`
[INFO] [stdout] d1b32bc792e038b6e56ee229cc7240842f9d83f0e87a31dd37cdf1b7bfe7a5b1