[INFO] cloning repository https://github.com/widaT/websocket-codec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/widaT/websocket-codec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwidaT%2Fwebsocket-codec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwidaT%2Fwebsocket-codec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6226d2ec16c77fce2adbf31d39db63e2cd573bef
[INFO] checking widaT/websocket-codec against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwidaT%2Fwebsocket-codec" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/widaT/websocket-codec 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 git repo https://github.com/widaT/websocket-codec
[INFO] finished tweaking git repo https://github.com/widaT/websocket-codec
[INFO] tweaked toml for git repo https://github.com/widaT/websocket-codec written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/widaT/websocket-codec 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] 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] cf01b23cf1f071f8de705e5a6573c56891ea538d82f5e8739d580dfc71ff22c1
[INFO] running `Command { std: "docker" "start" "-a" "cf01b23cf1f071f8de705e5a6573c56891ea538d82f5e8739d580dfc71ff22c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf01b23cf1f071f8de705e5a6573c56891ea538d82f5e8739d580dfc71ff22c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf01b23cf1f071f8de705e5a6573c56891ea538d82f5e8739d580dfc71ff22c1", kill_on_drop: false }`
[INFO] [stdout] cf01b23cf1f071f8de705e5a6573c56891ea538d82f5e8739d580dfc71ff22c1
[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] 90da6eb225dc49ac28a6a4a6efd471b15867487a989915791fb6f9e03a54538d
[INFO] running `Command { std: "docker" "start" "-a" "90da6eb225dc49ac28a6a4a6efd471b15867487a989915791fb6f9e03a54538d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking websocket-codec v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/upgrade.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse::{self, Header, Response};
[INFO] [stdout]   |                ^^^^ the item `httparse` 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 `sha1` is imported redundantly
[INFO] [stdout]  --> src/upgrade.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sha1::{self, Sha1};
[INFO] [stdout]   |            ^^^^ the item `sha1` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/upgrade.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse::{self, Header, Response};
[INFO] [stdout]   |                ^^^^ the item `httparse` 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 `sha1` is imported redundantly
[INFO] [stdout]  --> src/upgrade.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sha1::{self, Sha1};
[INFO] [stdout]   |            ^^^^ the item `sha1` is already defined by prelude
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "90da6eb225dc49ac28a6a4a6efd471b15867487a989915791fb6f9e03a54538d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90da6eb225dc49ac28a6a4a6efd471b15867487a989915791fb6f9e03a54538d", kill_on_drop: false }`
[INFO] [stdout] 90da6eb225dc49ac28a6a4a6efd471b15867487a989915791fb6f9e03a54538d
[INFO] checking widaT/websocket-codec against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwidaT%2Fwebsocket-codec" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/widaT/websocket-codec 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 git repo https://github.com/widaT/websocket-codec
[INFO] finished tweaking git repo https://github.com/widaT/websocket-codec
[INFO] tweaked toml for git repo https://github.com/widaT/websocket-codec written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/widaT/websocket-codec 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] f3289413935214df73fbd994293e05946735df6d79ec58047b5eef2b3b07b2ee
[INFO] running `Command { std: "docker" "start" "-a" "f3289413935214df73fbd994293e05946735df6d79ec58047b5eef2b3b07b2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3289413935214df73fbd994293e05946735df6d79ec58047b5eef2b3b07b2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3289413935214df73fbd994293e05946735df6d79ec58047b5eef2b3b07b2ee", kill_on_drop: false }`
[INFO] [stdout] f3289413935214df73fbd994293e05946735df6d79ec58047b5eef2b3b07b2ee
[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] 8e8e19a01e2a4b1e054338af829f3381e4b10c18f38baacb67b2d70202c1b537
[INFO] running `Command { std: "docker" "start" "-a" "8e8e19a01e2a4b1e054338af829f3381e4b10c18f38baacb67b2d70202c1b537", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking websocket-codec v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/upgrade.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse::{self, Header, Response};
[INFO] [stdout]   |                ^^^^ the item `httparse` 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 `sha1` is imported redundantly
[INFO] [stdout]  --> src/upgrade.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sha1::{self, Sha1};
[INFO] [stdout]   |            ^^^^ the item `sha1` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/upgrade.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse::{self, Header, Response};
[INFO] [stdout]   |                ^^^^ the item `httparse` 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 `sha1` is imported redundantly
[INFO] [stdout]  --> src/upgrade.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sha1::{self, Sha1};
[INFO] [stdout]   |            ^^^^ the item `sha1` is already defined by prelude
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "8e8e19a01e2a4b1e054338af829f3381e4b10c18f38baacb67b2d70202c1b537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8e19a01e2a4b1e054338af829f3381e4b10c18f38baacb67b2d70202c1b537", kill_on_drop: false }`
[INFO] [stdout] 8e8e19a01e2a4b1e054338af829f3381e4b10c18f38baacb67b2d70202c1b537