[INFO] fetching crate kaelix 0.1.1...
[INFO] checking kaelix-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate kaelix 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate kaelix 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kaelix 0.1.1
[INFO] finished tweaking crates.io crate kaelix 0.1.1
[INFO] tweaked toml for crates.io crate kaelix 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate kaelix 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v2.0.1
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8b734a46610830bcad8699d5b05038803ab9849623bdcfbbe6b13d8a3ab31a6
[INFO] running `Command { std: "docker" "start" "-a" "f8b734a46610830bcad8699d5b05038803ab9849623bdcfbbe6b13d8a3ab31a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8b734a46610830bcad8699d5b05038803ab9849623bdcfbbe6b13d8a3ab31a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b734a46610830bcad8699d5b05038803ab9849623bdcfbbe6b13d8a3ab31a6", kill_on_drop: false }`
[INFO] [stdout] f8b734a46610830bcad8699d5b05038803ab9849623bdcfbbe6b13d8a3ab31a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a88dc9e195dfdcf79b7b9a2544a118a0ab51e95c224c853fa9fb21fe47ed1cd
[INFO] running `Command { std: "docker" "start" "-a" "4a88dc9e195dfdcf79b7b9a2544a118a0ab51e95c224c853fa9fb21fe47ed1cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking kaelix v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `line_number_padding_left` is never read
[INFO] [stdout]  --> src/config.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct General {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 2 |     pub line_number_padding_right: usize,
[INFO] [stdout] 3 |     pub line_number_padding_left: usize,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line_number_padding_left` is never read
[INFO] [stdout]  --> src/config.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct General {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 2 |     pub line_number_padding_right: usize,
[INFO] [stdout] 3 |     pub line_number_padding_left: usize,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 3.88s
[INFO] running `Command { std: "docker" "inspect" "4a88dc9e195dfdcf79b7b9a2544a118a0ab51e95c224c853fa9fb21fe47ed1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a88dc9e195dfdcf79b7b9a2544a118a0ab51e95c224c853fa9fb21fe47ed1cd", kill_on_drop: false }`
[INFO] [stdout] 4a88dc9e195dfdcf79b7b9a2544a118a0ab51e95c224c853fa9fb21fe47ed1cd
[INFO] checking kaelix-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate kaelix 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate kaelix 0.1.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kaelix 0.1.1
[INFO] finished tweaking crates.io crate kaelix 0.1.1
[INFO] tweaked toml for crates.io crate kaelix 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate kaelix 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d143dd473f4ad0d02b86d2106ac48ea11373bb7dc937b3f1d97ef425b180a1f
[INFO] running `Command { std: "docker" "start" "-a" "7d143dd473f4ad0d02b86d2106ac48ea11373bb7dc937b3f1d97ef425b180a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d143dd473f4ad0d02b86d2106ac48ea11373bb7dc937b3f1d97ef425b180a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d143dd473f4ad0d02b86d2106ac48ea11373bb7dc937b3f1d97ef425b180a1f", kill_on_drop: false }`
[INFO] [stdout] 7d143dd473f4ad0d02b86d2106ac48ea11373bb7dc937b3f1d97ef425b180a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b897656284d29333259bfc0bab5c51a9bbc8431faf1e2da74fabfc3cd02c96d8
[INFO] running `Command { std: "docker" "start" "-a" "b897656284d29333259bfc0bab5c51a9bbc8431faf1e2da74fabfc3cd02c96d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking kaelix v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `line_number_padding_left` is never read
[INFO] [stdout]  --> src/config.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct General {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 2 |     pub line_number_padding_right: usize,
[INFO] [stdout] 3 |     pub line_number_padding_left: usize,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line_number_padding_left` is never read
[INFO] [stdout]  --> src/config.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct General {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 2 |     pub line_number_padding_right: usize,
[INFO] [stdout] 3 |     pub line_number_padding_left: usize,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "b897656284d29333259bfc0bab5c51a9bbc8431faf1e2da74fabfc3cd02c96d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b897656284d29333259bfc0bab5c51a9bbc8431faf1e2da74fabfc3cd02c96d8", kill_on_drop: false }`
[INFO] [stdout] b897656284d29333259bfc0bab5c51a9bbc8431faf1e2da74fabfc3cd02c96d8