[INFO] fetching crate spsheet 0.1.0...
[INFO] checking spsheet-0.1.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate spsheet 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate spsheet 0.1.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spsheet 0.1.0
[INFO] finished tweaking crates.io crate spsheet 0.1.0
[INFO] tweaked toml for crates.io crate spsheet 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.2.8
[INFO] [stderr]   Downloaded walkdir v2.0.1
[INFO] [stderr]   Downloaded quick-xml v0.10.1
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31d209c13d5b1728cf49d1af67f2ef0bcc56da0278801edf90b955b171fd53a8
[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" "31d209c13d5b1728cf49d1af67f2ef0bcc56da0278801edf90b955b171fd53a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d209c13d5b1728cf49d1af67f2ef0bcc56da0278801edf90b955b171fd53a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d209c13d5b1728cf49d1af67f2ef0bcc56da0278801edf90b955b171fd53a8", kill_on_drop: false }`
[INFO] [stdout] 31d209c13d5b1728cf49d1af67f2ef0bcc56da0278801edf90b955b171fd53a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9865c7da053f4daa4376fdc8b4a1504064db7d0cbd669e6f0273b543fd152e7
[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" "c9865c7da053f4daa4376fdc8b4a1504064db7d0cbd669e6f0273b543fd152e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking spsheet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:97:41
[INFO] [stdout]    |
[INFO] [stdout] 97 |                     column_to_index(val.slice_unchecked(0, index)), 
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |                     val.slice_unchecked(index, val.len()).parse::<usize>().unwrap() - 1
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:97:41
[INFO] [stdout]    |
[INFO] [stdout] 97 |                     column_to_index(val.slice_unchecked(0, index)), 
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |                     val.slice_unchecked(index, val.len()).parse::<usize>().unwrap() - 1
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> tests/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_sheet1`
[INFO] [stdout]   --> tests/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn make_sheet1() -> Sheet {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_sheet2`
[INFO] [stdout]   --> tests/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn make_sheet2() -> Sheet {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_sheet3`
[INFO] [stdout]   --> tests/lib.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn make_sheet3() -> Sheet {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_sheet4`
[INFO] [stdout]   --> tests/lib.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn make_sheet4() -> Sheet {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_book`
[INFO] [stdout]   --> tests/lib.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn make_book() -> Book {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.98s
[INFO] running `Command { std: "docker" "inspect" "c9865c7da053f4daa4376fdc8b4a1504064db7d0cbd669e6f0273b543fd152e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9865c7da053f4daa4376fdc8b4a1504064db7d0cbd669e6f0273b543fd152e7", kill_on_drop: false }`
[INFO] [stdout] c9865c7da053f4daa4376fdc8b4a1504064db7d0cbd669e6f0273b543fd152e7