[INFO] cloning repository https://github.com/inq/denture
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inq/denture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fdenture", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fdenture'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea350122271095a666dc44bef8ca9e510d97500f
[INFO] checking inq/denture against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fdenture" "/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/inq/denture on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/inq/denture
[INFO] finished tweaking git repo https://github.com/inq/denture
[INFO] tweaked toml for git repo https://github.com/inq/denture written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/inq/denture already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db73cbc9df977808dcd72a701108d531a3e224f8eed96881a3d143ae615778dc
[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" "db73cbc9df977808dcd72a701108d531a3e224f8eed96881a3d143ae615778dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db73cbc9df977808dcd72a701108d531a3e224f8eed96881a3d143ae615778dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db73cbc9df977808dcd72a701108d531a3e224f8eed96881a3d143ae615778dc", kill_on_drop: false }`
[INFO] [stdout] db73cbc9df977808dcd72a701108d531a3e224f8eed96881a3d143ae615778dc
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 057dae3e95ac9b2c7442ee2dcb73b1316de87b3af4c8fa0961524815c9b8ebf4
[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" "057dae3e95ac9b2c7442ee2dcb73b1316de87b3af4c8fa0961524815c9b8ebf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking addr2line v0.12.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking denture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/parser/tokenizer/line.rs:151:26
[INFO] [stdout]     |
[INFO] [stdout] 151 |                         (p, '\'') => State::String(StringQuote::Single, index - 1),
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/parser/tokenizer/line.rs:152:26
[INFO] [stdout]     |
[INFO] [stdout] 152 |                         (p, '\"') => State::String(StringQuote::Double, index - 1),
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/parser/tokenizer/line.rs:153:26
[INFO] [stdout]     |
[INFO] [stdout] 153 |                         (p, c) => State::Identifier(index - 1),
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/parser/tokenizer/line.rs:153:29
[INFO] [stdout]     |
[INFO] [stdout] 153 |                         (p, c) => State::Identifier(index - 1),
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Single3`
[INFO] [stdout]   --> src/parser/tokenizer/line.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Single3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Double3`
[INFO] [stdout]   --> src/parser/tokenizer/line.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Double3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/parser/tokenizer/line.rs:151:26
[INFO] [stdout]     |
[INFO] [stdout] 151 |                         (p, '\'') => State::String(StringQuote::Single, index - 1),
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/parser/tokenizer/line.rs:152:26
[INFO] [stdout]     |
[INFO] [stdout] 152 |                         (p, '\"') => State::String(StringQuote::Double, index - 1),
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/parser/tokenizer/line.rs:153:26
[INFO] [stdout]     |
[INFO] [stdout] 153 |                         (p, c) => State::Identifier(index - 1),
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/parser/tokenizer/line.rs:153:29
[INFO] [stdout]     |
[INFO] [stdout] 153 |                         (p, c) => State::Identifier(index - 1),
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Single3`
[INFO] [stdout]   --> src/parser/tokenizer/line.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Single3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Double3`
[INFO] [stdout]   --> src/parser/tokenizer/line.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Double3,
[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 24.65s
[INFO] running `Command { std: "docker" "inspect" "057dae3e95ac9b2c7442ee2dcb73b1316de87b3af4c8fa0961524815c9b8ebf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057dae3e95ac9b2c7442ee2dcb73b1316de87b3af4c8fa0961524815c9b8ebf4", kill_on_drop: false }`
[INFO] [stdout] 057dae3e95ac9b2c7442ee2dcb73b1316de87b3af4c8fa0961524815c9b8ebf4