[INFO] fetching crate lesscode 0.1.4...
[INFO] checking lesscode-0.1.4 against master#b44e14f762fd4062faeba97f8f2bc470298ec1ac for pr-135331
[INFO] extracting crate lesscode 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate lesscode 0.1.4 on toolchain b44e14f762fd4062faeba97f8f2bc470298ec1ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lesscode 0.1.4
[INFO] finished tweaking crates.io crate lesscode 0.1.4
[INFO] tweaked toml for crates.io crate lesscode 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 350 packages to latest compatible versions
[INFO] [stderr]       Adding mongodb v2.8.2 (available: v3.1.1)
[INFO] [stderr]       Adding mysql v24.0.0 (available: v25.0.1)
[INFO] [stderr]       Adding neo4rs v0.6.2 (available: v0.8.0)
[INFO] [stderr]       Adding redis v0.23.3 (available: v0.28.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mysql-common-derive v0.30.2
[INFO] [stderr]   Downloaded neo4rs v0.6.2
[INFO] [stderr]   Downloaded rustc_version_runtime v0.2.1
[INFO] [stderr]   Downloaded lru v0.10.1
[INFO] [stderr]   Downloaded pem v2.0.1
[INFO] [stderr]   Downloaded neo4rs-macros v0.2.1
[INFO] [stderr]   Downloaded io-enum v1.1.3
[INFO] [stderr]   Downloaded mysql v24.0.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.21.2
[INFO] [stderr]   Downloaded mysql_common v0.30.6
[INFO] [stderr]   Downloaded bindgen v0.71.1
[INFO] [stderr]   Downloaded trust-dns-proto v0.21.2
[INFO] [stderr]   Downloaded mongodb v2.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45367c2b45c4dcd1b18d8053ae465a34a895459adb68b08afab1e0f5e67e5c1c
[INFO] running `Command { std: "docker" "start" "-a" "45367c2b45c4dcd1b18d8053ae465a34a895459adb68b08afab1e0f5e67e5c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45367c2b45c4dcd1b18d8053ae465a34a895459adb68b08afab1e0f5e67e5c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45367c2b45c4dcd1b18d8053ae465a34a895459adb68b08afab1e0f5e67e5c1c", kill_on_drop: false }`
[INFO] [stdout] 45367c2b45c4dcd1b18d8053ae465a34a895459adb68b08afab1e0f5e67e5c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4d2f1ac16f3f24365bca36213f7b9c44628ec1882f12c74c27b964585ff0cdb
[INFO] running `Command { std: "docker" "start" "-a" "d4d2f1ac16f3f24365bca36213f7b9c44628ec1882f12c74c27b964585ff0cdb", kill_on_drop: false }`
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[INFO] [stderr]     Checking trust-dns-resolver v0.21.2
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[INFO] [stderr]     Checking lesscode v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `auth_type` is never read
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut auth_type = "Password";
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `auth_type` is never read
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut auth_type = "Password";
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "d4d2f1ac16f3f24365bca36213f7b9c44628ec1882f12c74c27b964585ff0cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d2f1ac16f3f24365bca36213f7b9c44628ec1882f12c74c27b964585ff0cdb", kill_on_drop: false }`
[INFO] [stdout] d4d2f1ac16f3f24365bca36213f7b9c44628ec1882f12c74c27b964585ff0cdb