[INFO] fetching crate shirakami 0.1.2...
[INFO] checking shirakami-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate shirakami 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate shirakami 0.1.2 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 shirakami 0.1.2
[INFO] finished tweaking crates.io crate shirakami 0.1.2
[INFO] tweaked toml for crates.io crate shirakami 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate shirakami 0.1.2 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 thread_local v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f781656533fbeea81921ace67156e5e2dc952f48083bc9af9e7a051c210d572a
[INFO] running `Command { std: "docker" "start" "-a" "f781656533fbeea81921ace67156e5e2dc952f48083bc9af9e7a051c210d572a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f781656533fbeea81921ace67156e5e2dc952f48083bc9af9e7a051c210d572a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f781656533fbeea81921ace67156e5e2dc952f48083bc9af9e7a051c210d572a", kill_on_drop: false }`
[INFO] [stdout] f781656533fbeea81921ace67156e5e2dc952f48083bc9af9e7a051c210d572a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6ab323b00b070a897773c0392106976a843a4d1c6cf5a2c77c20cc9dd30f4e1a
[INFO] running `Command { std: "docker" "start" "-a" "6ab323b00b070a897773c0392106976a843a4d1c6cf5a2c77c20cc9dd30f4e1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking shirakami v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `exitcode` is imported redundantly
[INFO] [stdout]  --> src/bin/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use exitcode;
[INFO] [stdout]   |     ^^^^^^^^ the item `exitcode` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `shirakami` is imported redundantly
[INFO] [stdout]  --> src/bin/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use shirakami;
[INFO] [stdout]   |     ^^^^^^^^^ the item `shirakami` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `short_url`
[INFO] [stdout]   --> src/bin/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let short_url = match shirakami::shorten_url(&input_url[1]) {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_short_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `exitcode` is imported redundantly
[INFO] [stdout]  --> src/bin/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use exitcode;
[INFO] [stdout]   |     ^^^^^^^^ the item `exitcode` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `shirakami` is imported redundantly
[INFO] [stdout]  --> src/bin/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use shirakami;
[INFO] [stdout]   |     ^^^^^^^^^ the item `shirakami` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `short_url`
[INFO] [stdout]   --> src/bin/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let short_url = match shirakami::shorten_url(&input_url[1]) {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_short_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "6ab323b00b070a897773c0392106976a843a4d1c6cf5a2c77c20cc9dd30f4e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab323b00b070a897773c0392106976a843a4d1c6cf5a2c77c20cc9dd30f4e1a", kill_on_drop: false }`
[INFO] [stdout] 6ab323b00b070a897773c0392106976a843a4d1c6cf5a2c77c20cc9dd30f4e1a
[INFO] checking shirakami-0.1.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate shirakami 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate shirakami 0.1.2 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 shirakami 0.1.2
[INFO] finished tweaking crates.io crate shirakami 0.1.2
[INFO] tweaked toml for crates.io crate shirakami 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate shirakami 0.1.2 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4610cc760b8cfb4b6f0bb0bdaabd68094c33449af3b75726062d0ba9498050af
[INFO] running `Command { std: "docker" "start" "-a" "4610cc760b8cfb4b6f0bb0bdaabd68094c33449af3b75726062d0ba9498050af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4610cc760b8cfb4b6f0bb0bdaabd68094c33449af3b75726062d0ba9498050af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4610cc760b8cfb4b6f0bb0bdaabd68094c33449af3b75726062d0ba9498050af", kill_on_drop: false }`
[INFO] [stdout] 4610cc760b8cfb4b6f0bb0bdaabd68094c33449af3b75726062d0ba9498050af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 38ff067ddc4e10ce88ef4408e776b7e85dccd42801568a7e8c44cf354d452a11
[INFO] running `Command { std: "docker" "start" "-a" "38ff067ddc4e10ce88ef4408e776b7e85dccd42801568a7e8c44cf354d452a11", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking shirakami v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `exitcode` is imported redundantly
[INFO] [stdout]  --> src/bin/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use exitcode;
[INFO] [stdout]   |     ^^^^^^^^ the item `exitcode` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `shirakami` is imported redundantly
[INFO] [stdout]  --> src/bin/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use shirakami;
[INFO] [stdout]   |     ^^^^^^^^^ the item `shirakami` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `exitcode` is imported redundantly
[INFO] [stdout]  --> src/bin/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use exitcode;
[INFO] [stdout]   |     ^^^^^^^^ the item `exitcode` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `shirakami` is imported redundantly
[INFO] [stdout]  --> src/bin/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use shirakami;
[INFO] [stdout]   |     ^^^^^^^^^ the item `shirakami` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `short_url`
[INFO] [stdout]   --> src/bin/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let short_url = match shirakami::shorten_url(&input_url[1]) {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_short_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `short_url`
[INFO] [stdout]   --> src/bin/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let short_url = match shirakami::shorten_url(&input_url[1]) {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_short_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "38ff067ddc4e10ce88ef4408e776b7e85dccd42801568a7e8c44cf354d452a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ff067ddc4e10ce88ef4408e776b7e85dccd42801568a7e8c44cf354d452a11", kill_on_drop: false }`
[INFO] [stdout] 38ff067ddc4e10ce88ef4408e776b7e85dccd42801568a7e8c44cf354d452a11