[INFO] fetching crate kcprs 0.5.0...
[INFO] testing kcprs-0.5.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate kcprs 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate kcprs 0.5.0
[INFO] finished tweaking crates.io crate kcprs 0.5.0
[INFO] tweaked toml for crates.io crate kcprs 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kcprs 0.5.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.10)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding time v0.2.27 (available: v0.3.47)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.5
[INFO] [stderr]   Downloaded time v0.2.27
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.9
[INFO] [stderr]   Downloaded base-x v0.2.11
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]   Downloaded const_fn v0.4.12
[INFO] [stderr]   Downloaded stdweb-derive v0.5.3
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded standback v0.2.17
[INFO] [stderr]   Downloaded discard v1.0.4
[INFO] [stderr]   Downloaded sha1 v0.6.1
[INFO] [stderr]   Downloaded time-macros v0.1.1
[INFO] [stderr]   Downloaded stdweb v0.4.20
[INFO] [stderr]   Downloaded time-macros-impl v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccfb2f3a2ec18e423f0870862924fe4716ea22a0fb28761874a5572fd91a2169
[INFO] running `Command { std: "docker" "start" "-a" "ccfb2f3a2ec18e423f0870862924fe4716ea22a0fb28761874a5572fd91a2169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccfb2f3a2ec18e423f0870862924fe4716ea22a0fb28761874a5572fd91a2169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccfb2f3a2ec18e423f0870862924fe4716ea22a0fb28761874a5572fd91a2169", kill_on_drop: false }`
[INFO] [stdout] ccfb2f3a2ec18e423f0870862924fe4716ea22a0fb28761874a5572fd91a2169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae4347791c64980853fe2f3ac4a34aad81b65a1b353e1db90016459803a6f393
[INFO] running `Command { std: "docker" "start" "-a" "ae4347791c64980853fe2f3ac4a34aad81b65a1b353e1db90016459803a6f393", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling kcprs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `KcpOutput` is never constructed
[INFO] [stdout]    --> src/kcp.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | struct KcpOutput<O: Write>(O);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "ae4347791c64980853fe2f3ac4a34aad81b65a1b353e1db90016459803a6f393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4347791c64980853fe2f3ac4a34aad81b65a1b353e1db90016459803a6f393", kill_on_drop: false }`
[INFO] [stdout] ae4347791c64980853fe2f3ac4a34aad81b65a1b353e1db90016459803a6f393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 808ac1cb862f5954310b7ed1efc21c3eddacab3dc746dd08750cf52c702f3bbf
[INFO] running `Command { std: "docker" "start" "-a" "808ac1cb862f5954310b7ed1efc21c3eddacab3dc746dd08750cf52c702f3bbf", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: struct `KcpOutput` is never constructed
[INFO] [stdout]    --> src/kcp.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | struct KcpOutput<O: Write>(O);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling kcprs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `kcp`
[INFO] [stdout]  --> tests/kcp.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate kcp;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kcprs` (test "kcp") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `KcpOutput` is never constructed
[INFO] [stdout]    --> src/kcp.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | struct KcpOutput<O: Write>(O);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "808ac1cb862f5954310b7ed1efc21c3eddacab3dc746dd08750cf52c702f3bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808ac1cb862f5954310b7ed1efc21c3eddacab3dc746dd08750cf52c702f3bbf", kill_on_drop: false }`
[INFO] [stdout] 808ac1cb862f5954310b7ed1efc21c3eddacab3dc746dd08750cf52c702f3bbf