[INFO] fetching crate structs-from-excel 0.2.2...
[INFO] checking structs-from-excel-0.2.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate structs-from-excel 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate structs-from-excel 0.2.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structs-from-excel 0.2.2
[INFO] finished tweaking crates.io crate structs-from-excel 0.2.2
[INFO] tweaked toml for crates.io crate structs-from-excel 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding calamine v0.19.1 (latest: v0.25.0)
[INFO] [stderr]       Adding quick-xml v0.25.0 (latest: v0.36.1)
[INFO] [stderr]       Adding zip v0.6.6 (latest: v2.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded calamine v0.19.1
[INFO] [stderr]   Downloaded codepage v0.1.2
[INFO] [stderr]   Downloaded quick-xml v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 420728848c2f4aeba34809cddda32c723811bdf9924e47c11fa05d3afce600e5
[INFO] running `Command { std: "docker" "start" "-a" "420728848c2f4aeba34809cddda32c723811bdf9924e47c11fa05d3afce600e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "420728848c2f4aeba34809cddda32c723811bdf9924e47c11fa05d3afce600e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420728848c2f4aeba34809cddda32c723811bdf9924e47c11fa05d3afce600e5", kill_on_drop: false }`
[INFO] [stdout] 420728848c2f4aeba34809cddda32c723811bdf9924e47c11fa05d3afce600e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 312bc9d37ce3effb5d8794a04da8223ff6e211319108ca91002025801efcbd9b
[INFO] running `Command { std: "docker" "start" "-a" "312bc9d37ce3effb5d8794a04da8223ff6e211319108ca91002025801efcbd9b", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking encoding_rs v0.8.34
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking quick-xml v0.25.0
[INFO] [stderr]     Checking codepage v0.1.2
[INFO] [stderr]     Checking calamine v0.19.1
[INFO] [stderr]     Checking structs-from-excel v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/lib.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 n += 1;
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/lib.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 n += 1;
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.52s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "312bc9d37ce3effb5d8794a04da8223ff6e211319108ca91002025801efcbd9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312bc9d37ce3effb5d8794a04da8223ff6e211319108ca91002025801efcbd9b", kill_on_drop: false }`
[INFO] [stdout] 312bc9d37ce3effb5d8794a04da8223ff6e211319108ca91002025801efcbd9b