[INFO] fetching crate vtcol 0.42.2...
[INFO] checking vtcol-0.42.2 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate vtcol 0.42.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate vtcol 0.42.2 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vtcol 0.42.2
[INFO] finished tweaking crates.io crate vtcol 0.42.2
[INFO] tweaked toml for crates.io crate vtcol 0.42.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-8/source/src/vtcol.rs` was erroneously implicitly accepted for binary `vtcol`,
[INFO] [stderr] please set bin.path in Cargo.toml
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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] fd121a1e3a843c3b48f1bcf744793e9939130f9a695793604dd8c7b5d3508d83
[INFO] running `Command { std: "docker" "start" "-a" "fd121a1e3a843c3b48f1bcf744793e9939130f9a695793604dd8c7b5d3508d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd121a1e3a843c3b48f1bcf744793e9939130f9a695793604dd8c7b5d3508d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd121a1e3a843c3b48f1bcf744793e9939130f9a695793604dd8c7b5d3508d83", kill_on_drop: false }`
[INFO] [stdout] fd121a1e3a843c3b48f1bcf744793e9939130f9a695793604dd8c7b5d3508d83
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e4dd1775882bbf01128781a3a74c7507bdbb2f36385d63a6981bcad3a6661d1
[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" "6e4dd1775882bbf01128781a3a74c7507bdbb2f36385d63a6981bcad3a6661d1", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/vtcol.rs` was erroneously implicitly accepted for binary `vtcol`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking vtcol v0.42.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/vtcol.rs:367:13
[INFO] [stdout]     |
[INFO] [stdout] 367 |         '0' ... '9' => { chr - '0' as u8 },
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/vtcol.rs:368:13
[INFO] [stdout]     |
[INFO] [stdout] 368 |         'a' ... 'f' => { chr - 'a' as u8 + 10 },
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/vtcol.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |         'A' ... 'F' => { chr - 'A' as u8 + 10 },
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vtcol.rs:427:20
[INFO] [stdout]     |
[INFO] [stdout] 427 |     (reader : &mut std::io::BufRead)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::BufRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/vtcol.rs:367:13
[INFO] [stdout]     |
[INFO] [stdout] 367 |         '0' ... '9' => { chr - '0' as u8 },
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/vtcol.rs:368:13
[INFO] [stdout]     |
[INFO] [stdout] 368 |         'a' ... 'f' => { chr - 'a' as u8 + 10 },
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/vtcol.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |         'A' ... 'F' => { chr - 'A' as u8 + 10 },
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vtcol.rs:427:20
[INFO] [stdout]     |
[INFO] [stdout] 427 |     (reader : &mut std::io::BufRead)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::BufRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` 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/vtcol.rs:441:53
[INFO] [stdout]     |
[INFO] [stdout] 441 |                         let str_idx = unsafe { line.slice_unchecked(0_usize, off) };
[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/vtcol.rs:441:53
[INFO] [stdout]     |
[INFO] [stdout] 441 |                         let str_idx = unsafe { line.slice_unchecked(0_usize, off) };
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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 2.71s
[INFO] running `Command { std: "docker" "inspect" "6e4dd1775882bbf01128781a3a74c7507bdbb2f36385d63a6981bcad3a6661d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4dd1775882bbf01128781a3a74c7507bdbb2f36385d63a6981bcad3a6661d1", kill_on_drop: false }`
[INFO] [stdout] 6e4dd1775882bbf01128781a3a74c7507bdbb2f36385d63a6981bcad3a6661d1