[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] e1f83d0f3023ff51cdf23e539f8499b92d327060
[INFO] checking mwc10/m5conv against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwc10%2Fm5conv" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mwc10/m5conv on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4453eabba2a4ef244fc1164ca105b4d110781bfb8b35b6c7d7044c34f9333465
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4453eabba2a4ef244fc1164ca105b4d110781bfb8b35b6c7d7044c34f9333465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4453eabba2a4ef244fc1164ca105b4d110781bfb8b35b6c7d7044c34f9333465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4453eabba2a4ef244fc1164ca105b4d110781bfb8b35b6c7d7044c34f9333465", kill_on_drop: false }`
[INFO] [stdout] 4453eabba2a4ef244fc1164ca105b4d110781bfb8b35b6c7d7044c34f9333465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 231f5eae6b7aefb1f3841e52a9ec06385d9db1ce3af99606d4f93312199d638f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "231f5eae6b7aefb1f3841e52a9ec06385d9db1ce3af99606d4f93312199d638f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking encoding_rs v0.8.26
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking noisy_float v0.1.13
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking m5conv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/m5.rs:182:19
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn parse_cols(c1: &str, c2: &str, rtype: ReadType) -> Result<Self> {
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/m5.rs:182:19
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn parse_cols(c1: &str, c2: &str, rtype: ReadType) -> Result<Self> {
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WellScan`
[INFO] [stdout]    --> src/m5.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     WellScan { time: R64 },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fluorescence`
[INFO] [stdout]    --> src/m5.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     Fluorescence(u16, u16), // ex, em
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WELLSCAN_HEADER`
[INFO] [stdout]   --> src/output.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | / const WELLSCAN_HEADER: &[&str] = &[
[INFO] [stdout] 80 | |     "Plate",
[INFO] [stdout] 81 | |     "Well",
[INFO] [stdout] 82 | |     "Row",
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |     "Value",
[INFO] [stdout] 89 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fmt_time`
[INFO] [stdout]   --> src/output.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn fmt_time(t: R64) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WellScan`
[INFO] [stdout]    --> src/m5.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     WellScan { time: R64 },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fluorescence`
[INFO] [stdout]    --> src/m5.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     Fluorescence(u16, u16), // ex, em
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WELLSCAN_HEADER`
[INFO] [stdout]   --> src/output.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | / const WELLSCAN_HEADER: &[&str] = &[
[INFO] [stdout] 80 | |     "Plate",
[INFO] [stdout] 81 | |     "Well",
[INFO] [stdout] 82 | |     "Row",
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |     "Value",
[INFO] [stdout] 89 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fmt_time`
[INFO] [stdout]   --> src/output.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn fmt_time(t: R64) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "231f5eae6b7aefb1f3841e52a9ec06385d9db1ce3af99606d4f93312199d638f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231f5eae6b7aefb1f3841e52a9ec06385d9db1ce3af99606d4f93312199d638f", kill_on_drop: false }`
[INFO] [stdout] 231f5eae6b7aefb1f3841e52a9ec06385d9db1ce3af99606d4f93312199d638f