[INFO] crate iron-params 0.1.3 is already in cache
[INFO] checking iron-params-0.1.3 against try#e6563ac70cbfd3196492061900e9e9793e065e4d for pr-69410
[INFO] extracting crate iron-params 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate iron-params 0.1.3 on toolchain e6563ac70cbfd3196492061900e9e9793e065e4d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ab380268df80878506d67c5c2bef3a48b193cc3dfb593d01fa18975434df232
[INFO] running `"docker" "start" "-a" "7ab380268df80878506d67c5c2bef3a48b193cc3dfb593d01fa18975434df232"`
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking cookie v0.2.5
[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] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let mut reader = &mut req.body;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let mut reader = &mut req.body;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `"docker" "inspect" "7ab380268df80878506d67c5c2bef3a48b193cc3dfb593d01fa18975434df232"`
[INFO] running `"docker" "rm" "-f" "7ab380268df80878506d67c5c2bef3a48b193cc3dfb593d01fa18975434df232"`
[INFO] [stdout] 7ab380268df80878506d67c5c2bef3a48b193cc3dfb593d01fa18975434df232