[INFO] fetching crate http-codec 0.1.1...
[INFO] checking http-codec-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate http-codec 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate http-codec 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 http-codec 0.1.1
[INFO] finished tweaking crates.io crate http-codec 0.1.1
[INFO] tweaked toml for crates.io crate http-codec 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages
[INFO] [stderr]       Adding atoi v0.2.4 (latest: v2.0.0)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding futures v0.1.31 (latest: v0.3.30)
[INFO] [stderr]       Adding http v0.1.21 (latest: v1.1.0)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[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 fake-stream v0.1.1
[INFO] [stderr]   Downloaded atoi v0.2.4
[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] 7d4b82b3178e1fce324296db0bd98cc6f569d960bcc0dae0caba39e5682ee514
[INFO] running `Command { std: "docker" "start" "-a" "7d4b82b3178e1fce324296db0bd98cc6f569d960bcc0dae0caba39e5682ee514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d4b82b3178e1fce324296db0bd98cc6f569d960bcc0dae0caba39e5682ee514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4b82b3178e1fce324296db0bd98cc6f569d960bcc0dae0caba39e5682ee514", kill_on_drop: false }`
[INFO] [stdout] 7d4b82b3178e1fce324296db0bd98cc6f569d960bcc0dae0caba39e5682ee514
[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] 5ad47a5a01ae3e4db8167451444941b12c84beb91c30641610f267673cc1f746
[INFO] running `Command { std: "docker" "start" "-a" "5ad47a5a01ae3e4db8167451444941b12c84beb91c30641610f267673cc1f746", kill_on_drop: false }`
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atoi v0.2.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking fake-stream v0.1.1
[INFO] [stderr]     Checking http-codec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `header` is imported redundantly
[INFO] [stdout]    --> src/client.rs:119:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |     use super::*;
[INFO] [stdout]     |         -------- the item `header` is already imported here
[INFO] [stdout] 119 |     use http::{header, Method};
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "5ad47a5a01ae3e4db8167451444941b12c84beb91c30641610f267673cc1f746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad47a5a01ae3e4db8167451444941b12c84beb91c30641610f267673cc1f746", kill_on_drop: false }`
[INFO] [stdout] 5ad47a5a01ae3e4db8167451444941b12c84beb91c30641610f267673cc1f746
[INFO] checking http-codec-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate http-codec 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate http-codec 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 http-codec 0.1.1
[INFO] finished tweaking crates.io crate http-codec 0.1.1
[INFO] tweaked toml for crates.io crate http-codec 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] 4008d8a0a611046e30482a5e511f7eb55b23e72e2e1b2f49106decfee4ec47b8
[INFO] running `Command { std: "docker" "start" "-a" "4008d8a0a611046e30482a5e511f7eb55b23e72e2e1b2f49106decfee4ec47b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4008d8a0a611046e30482a5e511f7eb55b23e72e2e1b2f49106decfee4ec47b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4008d8a0a611046e30482a5e511f7eb55b23e72e2e1b2f49106decfee4ec47b8", kill_on_drop: false }`
[INFO] [stdout] 4008d8a0a611046e30482a5e511f7eb55b23e72e2e1b2f49106decfee4ec47b8
[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] b22f42dcd61ab8ef25df004a35848706384c667eb63e8f872ce89082d4cead9f
[INFO] running `Command { std: "docker" "start" "-a" "b22f42dcd61ab8ef25df004a35848706384c667eb63e8f872ce89082d4cead9f", kill_on_drop: false }`
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atoi v0.2.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking fake-stream v0.1.1
[INFO] [stderr]     Checking http-codec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `header` is imported redundantly
[INFO] [stdout]    --> src/client.rs:119:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |     use super::*;
[INFO] [stdout]     |         -------- the item `header` is already imported here
[INFO] [stdout] 119 |     use http::{header, Method};
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `httparse` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate httparse;
[INFO] [stdout]   | ---------------------- the item `httparse` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "b22f42dcd61ab8ef25df004a35848706384c667eb63e8f872ce89082d4cead9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22f42dcd61ab8ef25df004a35848706384c667eb63e8f872ce89082d4cead9f", kill_on_drop: false }`
[INFO] [stdout] b22f42dcd61ab8ef25df004a35848706384c667eb63e8f872ce89082d4cead9f