[INFO] fetching crate wesers 0.4.1...
[INFO] checking wesers-0.4.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate wesers 0.4.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wesers 0.4.1 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wesers 0.4.1
[INFO] finished tweaking crates.io crate wesers 0.4.1
[INFO] tweaked toml for crates.io crate wesers 0.4.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1caf74828c9536574714efb7f4358583a4337bbab0ea85fd2cc54847b39c002
[INFO] running `Command { std: "docker" "start" "-a" "a1caf74828c9536574714efb7f4358583a4337bbab0ea85fd2cc54847b39c002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1caf74828c9536574714efb7f4358583a4337bbab0ea85fd2cc54847b39c002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1caf74828c9536574714efb7f4358583a4337bbab0ea85fd2cc54847b39c002", kill_on_drop: false }`
[INFO] [stdout] a1caf74828c9536574714efb7f4358583a4337bbab0ea85fd2cc54847b39c002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0aa3392d37a9470156cfb6212a61ee133c8671753dd84b8908b91e10e26eddc
[INFO] running `Command { std: "docker" "start" "-a" "c0aa3392d37a9470156cfb6212a61ee133c8671753dd84b8908b91e10e26eddc", kill_on_drop: false }`
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling bitflags v1.3.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking sequence_trie v0.0.13
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking textwrap v0.11.0
[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]    Compiling atty v0.2.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mustache v0.7.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr]     Checking mount v0.2.1
[INFO] [stderr]     Checking logger v0.1.0
[INFO] [stderr]     Checking staticfile v0.3.1
[INFO] [stderr]    Compiling wesers v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `OUT_DIR` not defined
[INFO] [stdout]   --> build.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let cargo_target_dir = Path::new(env!("OUT_DIR"))
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wesers` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c0aa3392d37a9470156cfb6212a61ee133c8671753dd84b8908b91e10e26eddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0aa3392d37a9470156cfb6212a61ee133c8671753dd84b8908b91e10e26eddc", kill_on_drop: false }`
[INFO] [stdout] c0aa3392d37a9470156cfb6212a61ee133c8671753dd84b8908b91e10e26eddc