[INFO] fetching crate mc_downloader 0.1.0...
[INFO] testing mc_downloader-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mc_downloader 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mc_downloader 0.1.0
[INFO] finished tweaking crates.io crate mc_downloader 0.1.0
[INFO] tweaked toml for crates.io crate mc_downloader 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mc_downloader 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mc_downloader 0.1.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51274f67c5d9e18512257910e9fc4b5691b7662dc8c324248c8b81e58d89c906
[INFO] running `Command { std: "docker" "start" "-a" "51274f67c5d9e18512257910e9fc4b5691b7662dc8c324248c8b81e58d89c906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51274f67c5d9e18512257910e9fc4b5691b7662dc8c324248c8b81e58d89c906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51274f67c5d9e18512257910e9fc4b5691b7662dc8c324248c8b81e58d89c906", kill_on_drop: false }`
[INFO] [stdout] 51274f67c5d9e18512257910e9fc4b5691b7662dc8c324248c8b81e58d89c906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d70493a8ca56756309ba908fc2b0090e317e13e1a1a4e7c1e2f46f272f9a408c
[INFO] running `Command { std: "docker" "start" "-a" "d70493a8ca56756309ba908fc2b0090e317e13e1a1a4e7c1e2f46f272f9a408c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling unicode-bidi v0.3.9
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling chksum v0.1.0-rc5
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling futures-macro v0.3.26
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling h2 v0.3.15
[INFO] [stderr]    Compiling futures-executor v0.3.26
[INFO] [stderr]    Compiling futures v0.3.26
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.23
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.13
[INFO] [stderr]    Compiling mc_downloader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `current` is never read
[INFO] [stdout]   --> src/client/downloader.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             current += bytes.len() as u64;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.59s
[INFO] running `Command { std: "docker" "inspect" "d70493a8ca56756309ba908fc2b0090e317e13e1a1a4e7c1e2f46f272f9a408c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d70493a8ca56756309ba908fc2b0090e317e13e1a1a4e7c1e2f46f272f9a408c", kill_on_drop: false }`
[INFO] [stdout] d70493a8ca56756309ba908fc2b0090e317e13e1a1a4e7c1e2f46f272f9a408c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30a0bb77ed893e75b2ba1ad6a37953f565bee83816f8537ea70e2a0ace7de69d
[INFO] running `Command { std: "docker" "start" "-a" "30a0bb77ed893e75b2ba1ad6a37953f565bee83816f8537ea70e2a0ace7de69d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stdout] warning: value assigned to `current` is never read
[INFO] [stdout]   --> src/client/downloader.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             current += bytes.len() as u64;
[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] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling pbr v1.0.4
[INFO] [stderr]    Compiling mc_downloader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `current` is never read
[INFO] [stdout]   --> src/client/downloader.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             current += bytes.len() as u64;
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `Command { std: "docker" "inspect" "30a0bb77ed893e75b2ba1ad6a37953f565bee83816f8537ea70e2a0ace7de69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a0bb77ed893e75b2ba1ad6a37953f565bee83816f8537ea70e2a0ace7de69d", kill_on_drop: false }`
[INFO] [stdout] 30a0bb77ed893e75b2ba1ad6a37953f565bee83816f8537ea70e2a0ace7de69d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f55e64e1c0638eba718e1b705f978bc390ab5950160a5ef5acc229366d6b7962
[INFO] running `Command { std: "docker" "start" "-a" "f55e64e1c0638eba718e1b705f978bc390ab5950160a5ef5acc229366d6b7962", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `current` is never read
[INFO] [stderr]   --> src/client/downloader.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             current += bytes.len() as u64;
[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: `mc_downloader` (lib) generated 1 warning
[INFO] [stderr] warning: `mc_downloader` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mc_downloader-b9c16f7aac7d7452)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test manifest::tests::version_type_deserialize ... ok
[INFO] [stdout] test manifest::tests::version_type_serialize_snake_case ... ok
[INFO] [stderr]    Doc-tests mc_downloader
[INFO] [stdout] test manifest::tests::version_type_serialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[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" "f55e64e1c0638eba718e1b705f978bc390ab5950160a5ef5acc229366d6b7962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55e64e1c0638eba718e1b705f978bc390ab5950160a5ef5acc229366d6b7962", kill_on_drop: false }`
[INFO] [stdout] f55e64e1c0638eba718e1b705f978bc390ab5950160a5ef5acc229366d6b7962