[INFO] fetching crate envopt 0.0.0...
[INFO] testing envopt-0.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate envopt 0.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate envopt 0.0.0
[INFO] finished tweaking crates.io crate envopt 0.0.0
[INFO] tweaked toml for crates.io crate envopt 0.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate envopt 0.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate envopt 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.2
[INFO] [stderr]   Downloaded envopt-derive v0.0.0
[INFO] [stderr]   Downloaded syn v1.0.5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c82528847b1813e6a22f4e46173c537ac7fbf13435a94958f629934d8e059fa3
[INFO] running `Command { std: "docker" "start" "-a" "c82528847b1813e6a22f4e46173c537ac7fbf13435a94958f629934d8e059fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c82528847b1813e6a22f4e46173c537ac7fbf13435a94958f629934d8e059fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82528847b1813e6a22f4e46173c537ac7fbf13435a94958f629934d8e059fa3", kill_on_drop: false }`
[INFO] [stdout] c82528847b1813e6a22f4e46173c537ac7fbf13435a94958f629934d8e059fa3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4125fd978b5f5fa8848afe3643f0afec963194da20a299fd3c8582c3bcfb7a9a
[INFO] running `Command { std: "docker" "start" "-a" "4125fd978b5f5fa8848afe3643f0afec963194da20a299fd3c8582c3bcfb7a9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling envopt-derive v0.0.0
[INFO] [stderr]    Compiling envopt v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "4125fd978b5f5fa8848afe3643f0afec963194da20a299fd3c8582c3bcfb7a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4125fd978b5f5fa8848afe3643f0afec963194da20a299fd3c8582c3bcfb7a9a", kill_on_drop: false }`
[INFO] [stdout] 4125fd978b5f5fa8848afe3643f0afec963194da20a299fd3c8582c3bcfb7a9a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43aa435f58bb0c6d6fe5020d747ba055b7822e824ce88cba6d59ac0951d73f6b
[INFO] running `Command { std: "docker" "start" "-a" "43aa435f58bb0c6d6fe5020d747ba055b7822e824ce88cba6d59ac0951d73f6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling envopt v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:132:5] get_attr("name".into(), variant) = Some(
[INFO] [stderr]     "FOO",
[INFO] [stderr] )
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:136:5] get_attr("default".into(), variant) = None
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:132:5] get_attr("name".into(), variant) = Some(
[INFO] [stderr]     "BAR",
[INFO] [stderr] )
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:136:5] get_attr("default".into(), variant) = Some(
[INFO] [stderr]     "default-bar",
[INFO] [stderr] )
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "43aa435f58bb0c6d6fe5020d747ba055b7822e824ce88cba6d59ac0951d73f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43aa435f58bb0c6d6fe5020d747ba055b7822e824ce88cba6d59ac0951d73f6b", kill_on_drop: false }`
[INFO] [stdout] 43aa435f58bb0c6d6fe5020d747ba055b7822e824ce88cba6d59ac0951d73f6b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7164c311b0f90d63cb10f678cfff2b14846f97eac7da229db733573a02c0214
[INFO] running `Command { std: "docker" "start" "-a" "c7164c311b0f90d63cb10f678cfff2b14846f97eac7da229db733573a02c0214", kill_on_drop: false }`
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:132:5] get_attr("name".into(), variant) = Some(
[INFO] [stderr]     "FOO",
[INFO] [stderr] )
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:136:5] get_attr("default".into(), variant) = None
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:132:5] get_attr("name".into(), variant) = Some(
[INFO] [stderr]     "BAR",
[INFO] [stderr] )
[INFO] [stderr] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:136:5] get_attr("default".into(), variant) = Some(
[INFO] [stderr]     "default-bar",
[INFO] [stderr] )
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/envopt-608ab56153a456f8)
[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] [stderr]    Doc-tests envopt
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:132:5] get_attr("name".into(), variant) = Some(
[INFO] [stdout]     "FOO",
[INFO] [stdout] )
[INFO] [stdout] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:136:5] get_attr("default".into(), variant) = None
[INFO] [stdout] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:132:5] get_attr("name".into(), variant) = Some(
[INFO] [stdout]     "BAR",
[INFO] [stdout] )
[INFO] [stdout] [/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/envopt-derive-0.0.0/src/lib.rs:136:5] get_attr("default".into(), variant) = Some(
[INFO] [stdout]     "default-bar",
[INFO] [stdout] )
[INFO] [stdout] Test executable failed (exit status: 64).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Environment variable "FOO" not set
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c7164c311b0f90d63cb10f678cfff2b14846f97eac7da229db733573a02c0214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7164c311b0f90d63cb10f678cfff2b14846f97eac7da229db733573a02c0214", kill_on_drop: false }`
[INFO] [stdout] c7164c311b0f90d63cb10f678cfff2b14846f97eac7da229db733573a02c0214