[INFO] fetching crate ripm 0.4.0...
[INFO] testing ripm-0.4.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate ripm 0.4.0 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ripm 0.4.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rtoolbox v0.0.3
[INFO] [stderr]   Downloaded sha256 v1.6.0
[INFO] [stderr]   Downloaded rpassword v7.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ce83c27b7a196c02b8930d79b88779b4b1951df79406a95a654e64c786dbe31
[INFO] running `Command { std: "docker" "start" "-a" "7ce83c27b7a196c02b8930d79b88779b4b1951df79406a95a654e64c786dbe31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce83c27b7a196c02b8930d79b88779b4b1951df79406a95a654e64c786dbe31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce83c27b7a196c02b8930d79b88779b4b1951df79406a95a654e64c786dbe31", kill_on_drop: false }`
[INFO] [stdout] 7ce83c27b7a196c02b8930d79b88779b4b1951df79406a95a654e64c786dbe31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01953d8825c5b62b40505a5e4b67deb2a35ffcefeac6440416d3c091ef8c88a1
[INFO] running `Command { std: "docker" "start" "-a" "01953d8825c5b62b40505a5e4b67deb2a35ffcefeac6440416d3c091ef8c88a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling tokio v1.47.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling rtoolbox v0.0.3
[INFO] [stderr]    Compiling rpassword v7.4.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[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 9.02s
[INFO] running `Command { std: "docker" "inspect" "01953d8825c5b62b40505a5e4b67deb2a35ffcefeac6440416d3c091ef8c88a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01953d8825c5b62b40505a5e4b67deb2a35ffcefeac6440416d3c091ef8c88a1", kill_on_drop: false }`
[INFO] [stdout] 01953d8825c5b62b40505a5e4b67deb2a35ffcefeac6440416d3c091ef8c88a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56d143b32fb2f7923b5fd5364a86ea4af4c63f4bea18198af9ac846eb579f235
[INFO] running `Command { std: "docker" "start" "-a" "56d143b32fb2f7923b5fd5364a86ea4af4c63f4bea18198af9ac846eb579f235", 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 0.41s
[INFO] running `Command { std: "docker" "inspect" "56d143b32fb2f7923b5fd5364a86ea4af4c63f4bea18198af9ac846eb579f235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d143b32fb2f7923b5fd5364a86ea4af4c63f4bea18198af9ac846eb579f235", kill_on_drop: false }`
[INFO] [stdout] 56d143b32fb2f7923b5fd5364a86ea4af4c63f4bea18198af9ac846eb579f235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57ad6df3ea90489bc273971b736a2907cf02e25e0e680f73338505b498468f59
[INFO] running `Command { std: "docker" "start" "-a" "57ad6df3ea90489bc273971b736a2907cf02e25e0e680f73338505b498468f59", 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-b0e338966d8c8d9a)
[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" "57ad6df3ea90489bc273971b736a2907cf02e25e0e680f73338505b498468f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ad6df3ea90489bc273971b736a2907cf02e25e0e680f73338505b498468f59", kill_on_drop: false }`
[INFO] [stdout] 57ad6df3ea90489bc273971b736a2907cf02e25e0e680f73338505b498468f59