[INFO] fetching crate plotsweep 0.1.0...
[INFO] testing plotsweep-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate plotsweep 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate plotsweep 0.1.0
[INFO] finished tweaking crates.io crate plotsweep 0.1.0
[INFO] tweaked toml for crates.io crate plotsweep 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate plotsweep 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 plotsweep 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8d9447e2eb1f7db1f4a97a4ebb5883430dbcf162b287c93bc76f401d3c58ea96
[INFO] running `Command { std: "docker" "start" "-a" "8d9447e2eb1f7db1f4a97a4ebb5883430dbcf162b287c93bc76f401d3c58ea96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d9447e2eb1f7db1f4a97a4ebb5883430dbcf162b287c93bc76f401d3c58ea96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9447e2eb1f7db1f4a97a4ebb5883430dbcf162b287c93bc76f401d3c58ea96", kill_on_drop: false }`
[INFO] [stdout] 8d9447e2eb1f7db1f4a97a4ebb5883430dbcf162b287c93bc76f401d3c58ea96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d2a50c62bae5afd730db4e82102595a0b5dbbdc23661e774baecabc7bcf3b71c
[INFO] running `Command { std: "docker" "start" "-a" "d2a50c62bae5afd730db4e82102595a0b5dbbdc23661e774baecabc7bcf3b71c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
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[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling quote v1.0.9
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[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling same-file v1.0.6
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[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling font-kit v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling colorous v1.0.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters-bitmap v0.3.0
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling plotsweep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `num_samples` is never read
[INFO] [stdout]   --> src/csv.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Record {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub num_samples: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 43.74s
[INFO] running `Command { std: "docker" "inspect" "d2a50c62bae5afd730db4e82102595a0b5dbbdc23661e774baecabc7bcf3b71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a50c62bae5afd730db4e82102595a0b5dbbdc23661e774baecabc7bcf3b71c", kill_on_drop: false }`
[INFO] [stdout] d2a50c62bae5afd730db4e82102595a0b5dbbdc23661e774baecabc7bcf3b71c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d580119edc3a4f5257840b581323acc131c435e71bb94c930aa37e298ceef094
[INFO] running `Command { std: "docker" "start" "-a" "d580119edc3a4f5257840b581323acc131c435e71bb94c930aa37e298ceef094", kill_on_drop: false }`
[INFO] [stderr]    Compiling plotsweep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `num_samples` is never read
[INFO] [stdout]   --> src/csv.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Record {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub num_samples: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "d580119edc3a4f5257840b581323acc131c435e71bb94c930aa37e298ceef094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d580119edc3a4f5257840b581323acc131c435e71bb94c930aa37e298ceef094", kill_on_drop: false }`
[INFO] [stdout] d580119edc3a4f5257840b581323acc131c435e71bb94c930aa37e298ceef094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f352a17abdbb761da9caefc5493970d434d752186b0f4ac70d29dae2cf9d3cbf
[INFO] running `Command { std: "docker" "start" "-a" "f352a17abdbb761da9caefc5493970d434d752186b0f4ac70d29dae2cf9d3cbf", kill_on_drop: false }`
[INFO] [stderr] warning: field `num_samples` is never read
[INFO] [stderr]   --> src/csv.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Record {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub num_samples: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `plotsweep` (bin "plotsweep" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/plotsweep-d4418eb6026392ae)
[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" "f352a17abdbb761da9caefc5493970d434d752186b0f4ac70d29dae2cf9d3cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f352a17abdbb761da9caefc5493970d434d752186b0f4ac70d29dae2cf9d3cbf", kill_on_drop: false }`
[INFO] [stdout] f352a17abdbb761da9caefc5493970d434d752186b0f4ac70d29dae2cf9d3cbf