[INFO] cloning repository https://github.com/mwc10/m5conv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mwc10/m5conv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwc10%2Fm5conv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwc10%2Fm5conv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5de3d7f1cc187b932800aebc3911d753e0383217
[INFO] building mwc10/m5conv against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwc10%2Fm5conv" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mwc10/m5conv on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mwc10/m5conv
[INFO] finished tweaking git repo https://github.com/mwc10/m5conv
[INFO] tweaked toml for git repo https://github.com/mwc10/m5conv written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mwc10/m5conv 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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded noisy_float v0.1.13
[INFO] [stderr]   Downloaded anyhow v1.0.37
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded serde v1.0.118
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded bstr v0.2.14
[INFO] [stderr]   Downloaded csv v1.1.5
[INFO] [stderr]   Downloaded encoding_rs v0.8.26
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd8f7d3c4957382e7b8a3f671ec077e8d7b9a12361c749b13b549a5d89fb117e
[INFO] running `Command { std: "docker" "start" "-a" "dd8f7d3c4957382e7b8a3f671ec077e8d7b9a12361c749b13b549a5d89fb117e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd8f7d3c4957382e7b8a3f671ec077e8d7b9a12361c749b13b549a5d89fb117e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8f7d3c4957382e7b8a3f671ec077e8d7b9a12361c749b13b549a5d89fb117e", kill_on_drop: false }`
[INFO] [stdout] dd8f7d3c4957382e7b8a3f671ec077e8d7b9a12361c749b13b549a5d89fb117e
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51cdd97e9d48fdcee7de8cdd1f8278db2b74b8b9b80f363cb3fa38070a2b86d3
[INFO] running `Command { std: "docker" "start" "-a" "51cdd97e9d48fdcee7de8cdd1f8278db2b74b8b9b80f363cb3fa38070a2b86d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling noisy_float v0.1.13
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling m5conv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `read_mode` is never read
[INFO] [stdout]   --> src/m5.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub(crate) struct PlateSettings {
[INFO] [stdout]    |                   ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub read_mode: ReadMode,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlateSettings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row_start` and `col_start` are never read
[INFO] [stdout]    --> src/m5.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct PlateInfo {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 104 |     plate_size: u32,
[INFO] [stdout] 105 |     row_start: u8,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 106 |     row_span: u8,
[INFO] [stdout] 107 |     col_start: u8,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PlateInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.98s
[INFO] running `Command { std: "docker" "inspect" "51cdd97e9d48fdcee7de8cdd1f8278db2b74b8b9b80f363cb3fa38070a2b86d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cdd97e9d48fdcee7de8cdd1f8278db2b74b8b9b80f363cb3fa38070a2b86d3", kill_on_drop: false }`
[INFO] [stdout] 51cdd97e9d48fdcee7de8cdd1f8278db2b74b8b9b80f363cb3fa38070a2b86d3
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a7dd9c1dd3859c564638c62b746d9ae3216af40900137ae019055ef3e5a478
[INFO] running `Command { std: "docker" "start" "-a" "37a7dd9c1dd3859c564638c62b746d9ae3216af40900137ae019055ef3e5a478", kill_on_drop: false }`
[INFO] [stderr]    Compiling m5conv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `read_mode` is never read
[INFO] [stdout]   --> src/m5.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub(crate) struct PlateSettings {
[INFO] [stdout]    |                   ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub read_mode: ReadMode,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlateSettings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row_start` and `col_start` are never read
[INFO] [stdout]    --> src/m5.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct PlateInfo {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 104 |     plate_size: u32,
[INFO] [stdout] 105 |     row_start: u8,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 106 |     row_span: u8,
[INFO] [stdout] 107 |     col_start: u8,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PlateInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "37a7dd9c1dd3859c564638c62b746d9ae3216af40900137ae019055ef3e5a478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a7dd9c1dd3859c564638c62b746d9ae3216af40900137ae019055ef3e5a478", kill_on_drop: false }`
[INFO] [stdout] 37a7dd9c1dd3859c564638c62b746d9ae3216af40900137ae019055ef3e5a478