[INFO] fetching crate spsheet 0.1.0...
[INFO] checking spsheet-0.1.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate spsheet 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate spsheet 0.1.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded msdos_time v0.1.6
[INFO] [stderr]   Downloaded podio v0.1.7
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] [stderr]   Downloaded quick-xml v0.10.1
[INFO] [stderr]   Downloaded walkdir v2.0.1
[INFO] [stderr]   Downloaded zip v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 631cc3d636bd1f861f4a361c82df2d06ad34ae142336db6addec5a0bb800ff77
[INFO] running `Command { std: "docker" "start" "-a" "631cc3d636bd1f861f4a361c82df2d06ad34ae142336db6addec5a0bb800ff77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "631cc3d636bd1f861f4a361c82df2d06ad34ae142336db6addec5a0bb800ff77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631cc3d636bd1f861f4a361c82df2d06ad34ae142336db6addec5a0bb800ff77", kill_on_drop: false }`
[INFO] [stdout] 631cc3d636bd1f861f4a361c82df2d06ad34ae142336db6addec5a0bb800ff77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01ea34007f751359bf009df824d5f31afaf36f4f464858b3beaacfa6fd8e805f
[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" "01ea34007f751359bf009df824d5f31afaf36f4f464858b3beaacfa6fd8e805f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[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 6.40s
[INFO] running `Command { std: "docker" "inspect" "01ea34007f751359bf009df824d5f31afaf36f4f464858b3beaacfa6fd8e805f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ea34007f751359bf009df824d5f31afaf36f4f464858b3beaacfa6fd8e805f", kill_on_drop: false }`
[INFO] [stdout] 01ea34007f751359bf009df824d5f31afaf36f4f464858b3beaacfa6fd8e805f