[INFO] fetching crate iron-params 0.1.3...
[INFO] checking iron-params-0.1.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate iron-params 0.1.3 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate iron-params 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9807df4c9c14652a206e8338b72f0e07fc364176c570b93bde5695fc3ab3a2f8
[INFO] running `Command { std: "docker" "start" "-a" "9807df4c9c14652a206e8338b72f0e07fc364176c570b93bde5695fc3ab3a2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9807df4c9c14652a206e8338b72f0e07fc364176c570b93bde5695fc3ab3a2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9807df4c9c14652a206e8338b72f0e07fc364176c570b93bde5695fc3ab3a2f8", kill_on_drop: false }`
[INFO] [stdout] 9807df4c9c14652a206e8338b72f0e07fc364176c570b93bde5695fc3ab3a2f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e26f8414163a4e9f83add1563612cb80e6f34131e9b07afa4a6246f48f65dc36
[INFO] running `Command { std: "docker" "start" "-a" "e26f8414163a4e9f83add1563612cb80e6f34131e9b07afa4a6246f48f65dc36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking plugin v0.2.6
[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 5.05s
[INFO] running `Command { std: "docker" "inspect" "e26f8414163a4e9f83add1563612cb80e6f34131e9b07afa4a6246f48f65dc36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26f8414163a4e9f83add1563612cb80e6f34131e9b07afa4a6246f48f65dc36", kill_on_drop: false }`
[INFO] [stdout] e26f8414163a4e9f83add1563612cb80e6f34131e9b07afa4a6246f48f65dc36
