[INFO] fetching crate immutable_env 0.1.0...
[INFO] testing immutable_env-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate immutable_env 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate immutable_env 0.1.0
[INFO] finished tweaking crates.io crate immutable_env 0.1.0
[INFO] tweaked toml for crates.io crate immutable_env 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate immutable_env 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding ctor v0.2.9 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 558bfafe7bf1710dd07ed8c1d0e6b11544998e91af1c4d9700fe5c8cc76fb0a8
[INFO] running `Command { std: "docker" "start" "-a" "558bfafe7bf1710dd07ed8c1d0e6b11544998e91af1c4d9700fe5c8cc76fb0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "558bfafe7bf1710dd07ed8c1d0e6b11544998e91af1c4d9700fe5c8cc76fb0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558bfafe7bf1710dd07ed8c1d0e6b11544998e91af1c4d9700fe5c8cc76fb0a8", kill_on_drop: false }`
[INFO] [stdout] 558bfafe7bf1710dd07ed8c1d0e6b11544998e91af1c4d9700fe5c8cc76fb0a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13eb82be568c7512c07162708493d3e5ff546c9c5e2891c703f162620dcf9f81
[INFO] running `Command { std: "docker" "start" "-a" "13eb82be568c7512c07162708493d3e5ff546c9c5e2891c703f162620dcf9f81", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]    Compiling immutable_env v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "13eb82be568c7512c07162708493d3e5ff546c9c5e2891c703f162620dcf9f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13eb82be568c7512c07162708493d3e5ff546c9c5e2891c703f162620dcf9f81", kill_on_drop: false }`
[INFO] [stdout] 13eb82be568c7512c07162708493d3e5ff546c9c5e2891c703f162620dcf9f81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e49bd83385a43fc4045289cef5b1034b2cc965353e766d330cea8f41e0606b19
[INFO] running `Command { std: "docker" "start" "-a" "e49bd83385a43fc4045289cef5b1034b2cc965353e766d330cea8f41e0606b19", kill_on_drop: false }`
[INFO] [stderr]    Compiling immutable_env v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "e49bd83385a43fc4045289cef5b1034b2cc965353e766d330cea8f41e0606b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e49bd83385a43fc4045289cef5b1034b2cc965353e766d330cea8f41e0606b19", kill_on_drop: false }`
[INFO] [stdout] e49bd83385a43fc4045289cef5b1034b2cc965353e766d330cea8f41e0606b19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2453cce7ba8c18747e7e344556d22af28bbea9cde17286fc18627deea5ace1ac
[INFO] running `Command { std: "docker" "start" "-a" "2453cce7ba8c18747e7e344556d22af28bbea9cde17286fc18627deea5ace1ac", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/immutable_env-ddccbde698f39b1f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests immutable_env
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2453cce7ba8c18747e7e344556d22af28bbea9cde17286fc18627deea5ace1ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2453cce7ba8c18747e7e344556d22af28bbea9cde17286fc18627deea5ace1ac", kill_on_drop: false }`
[INFO] [stdout] 2453cce7ba8c18747e7e344556d22af28bbea9cde17286fc18627deea5ace1ac