[INFO] fetching crate routerman 0.0.1...
[INFO] checking routerman-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate routerman 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate routerman 0.0.1 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 routerman 0.0.1
[INFO] finished tweaking crates.io crate routerman 0.0.1
[INFO] tweaked toml for crates.io crate routerman 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate routerman 0.0.1 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 indexmap v1.9.0
[INFO] [stderr]   Downloaded quote v1.0.19
[INFO] [stderr]   Downloaded matchit v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3483f5d365a5e794f8ffeef80ee6ab6ee6ea51249aef9acf2503fa6597dde156
[INFO] running `Command { std: "docker" "start" "-a" "3483f5d365a5e794f8ffeef80ee6ab6ee6ea51249aef9acf2503fa6597dde156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3483f5d365a5e794f8ffeef80ee6ab6ee6ea51249aef9acf2503fa6597dde156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3483f5d365a5e794f8ffeef80ee6ab6ee6ea51249aef9acf2503fa6597dde156", kill_on_drop: false }`
[INFO] [stdout] 3483f5d365a5e794f8ffeef80ee6ab6ee6ea51249aef9acf2503fa6597dde156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cba83d32020b8653e51195fd9217ddd8b3bc354cdfe0c6d6354e512ecd45606c
[INFO] running `Command { std: "docker" "start" "-a" "cba83d32020b8653e51195fd9217ddd8b3bc354cdfe0c6d6354e512ecd45606c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling indexmap v1.9.0
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.19
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking matchit v0.6.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking routerman v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/request/ext.rs:31:33
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct InvalidParamEncoding(Box<str>);
[INFO] [stdout]    |            -------------------- ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct InvalidParamEncoding(());
[INFO] [stdout]    |                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/request/ext.rs:31:33
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct InvalidParamEncoding(Box<str>);
[INFO] [stdout]    |            -------------------- ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct InvalidParamEncoding(());
[INFO] [stdout]    |                                 ~~
[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 29.87s
[INFO] running `Command { std: "docker" "inspect" "cba83d32020b8653e51195fd9217ddd8b3bc354cdfe0c6d6354e512ecd45606c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba83d32020b8653e51195fd9217ddd8b3bc354cdfe0c6d6354e512ecd45606c", kill_on_drop: false }`
[INFO] [stdout] cba83d32020b8653e51195fd9217ddd8b3bc354cdfe0c6d6354e512ecd45606c