[INFO] fetching crate iron-params 0.1.3...
[INFO] checking iron-params-0.1.3 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate iron-params 0.1.3 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate iron-params 0.1.3 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iron-params 0.1.3
[INFO] finished tweaking crates.io crate iron-params 0.1.3
[INFO] tweaked toml for crates.io crate iron-params 0.1.3 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fd00dec1baca507b6a9a7446cb40fe8e3a0168450b5d1c45b7988414b9c1375
[INFO] running `Command { std: "docker" "start" "-a" "1fd00dec1baca507b6a9a7446cb40fe8e3a0168450b5d1c45b7988414b9c1375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fd00dec1baca507b6a9a7446cb40fe8e3a0168450b5d1c45b7988414b9c1375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd00dec1baca507b6a9a7446cb40fe8e3a0168450b5d1c45b7988414b9c1375", kill_on_drop: false }`
[INFO] [stdout] 1fd00dec1baca507b6a9a7446cb40fe8e3a0168450b5d1c45b7988414b9c1375
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1931cbab3f55a408581b66a17a8af5a7ecd2ff47b57460fd908b2af4d91c3019
[INFO] running `Command { std: "docker" "start" "-a" "1931cbab3f55a408581b66a17a8af5a7ecd2ff47b57460fd908b2af4d91c3019", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr]     Checking iron-params v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut reader = &mut req.body;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut reader = &mut req.body;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "1931cbab3f55a408581b66a17a8af5a7ecd2ff47b57460fd908b2af4d91c3019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1931cbab3f55a408581b66a17a8af5a7ecd2ff47b57460fd908b2af4d91c3019", kill_on_drop: false }`
[INFO] [stdout] 1931cbab3f55a408581b66a17a8af5a7ecd2ff47b57460fd908b2af4d91c3019