[INFO] fetching crate env_wrapper 0.1.1...
[INFO] testing env_wrapper-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate env_wrapper 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate env_wrapper 0.1.1
[INFO] finished tweaking crates.io crate env_wrapper 0.1.1
[INFO] tweaked toml for crates.io crate env_wrapper 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate env_wrapper 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--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]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25566d68eba538bc8fde34fe347d23af45391291ab9177b8d781b5cce05a6ad5
[INFO] running `Command { std: "docker" "start" "-a" "25566d68eba538bc8fde34fe347d23af45391291ab9177b8d781b5cce05a6ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25566d68eba538bc8fde34fe347d23af45391291ab9177b8d781b5cce05a6ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25566d68eba538bc8fde34fe347d23af45391291ab9177b8d781b5cce05a6ad5", kill_on_drop: false }`
[INFO] [stdout] 25566d68eba538bc8fde34fe347d23af45391291ab9177b8d781b5cce05a6ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3161144e70cd97eab85f0ade47d5a38e7e6d47ece3634bdb44b293de8bbcbddb
[INFO] running `Command { std: "docker" "start" "-a" "3161144e70cd97eab85f0ade47d5a38e7e6d47ece3634bdb44b293de8bbcbddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_wrapper v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "3161144e70cd97eab85f0ade47d5a38e7e6d47ece3634bdb44b293de8bbcbddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3161144e70cd97eab85f0ade47d5a38e7e6d47ece3634bdb44b293de8bbcbddb", kill_on_drop: false }`
[INFO] [stdout] 3161144e70cd97eab85f0ade47d5a38e7e6d47ece3634bdb44b293de8bbcbddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07ec8b193bce6c7be6e410fcdc886102dd950bca1232f83dd8c9d9061ff5a4a3
[INFO] running `Command { std: "docker" "start" "-a" "07ec8b193bce6c7be6e410fcdc886102dd950bca1232f83dd8c9d9061ff5a4a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling env_wrapper v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "07ec8b193bce6c7be6e410fcdc886102dd950bca1232f83dd8c9d9061ff5a4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ec8b193bce6c7be6e410fcdc886102dd950bca1232f83dd8c9d9061ff5a4a3", kill_on_drop: false }`
[INFO] [stdout] 07ec8b193bce6c7be6e410fcdc886102dd950bca1232f83dd8c9d9061ff5a4a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc8eab1e4b65c28b795a315cf8bc28c57425febefd06d013237acacb89d3ae69
[INFO] running `Command { std: "docker" "start" "-a" "fc8eab1e4b65c28b795a315cf8bc28c57425febefd06d013237acacb89d3ae69", 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/env_wrapper-e4b318603f076c6c)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_helpers::tests::when_generating_random_text_then_the_text_is_unique ... ok
[INFO] [stdout] test tests::given_a_nonexistent_env_var_when_getting_the_env_var_with_var_then_it_is_a_not_present_error ... ok
[INFO] [stdout] test tests::given_an_existing_environment_variable_when_removing_the_same_environment_variable_then_the_variable_no_longer_exists ... ok
[INFO] [stdout] test tests::when_removing_a_nonexistent_environment_variable_then_do_not_panic ... ok
[INFO] [stdout] test tests::given_a_nonexistent_env_var_when_getting_the_env_var_with_var_os_then_it_is_none ... ok
[INFO] [stdout] test tests::given_an_existing_environment_variable_when_setting_the_same_environment_variable_then_the_value_is_overwritten ... ok
[INFO] [stdout] test tests::when_setting_env_vars_then_multiple_data_types_can_be_used_on_the_same_environment_instance ... ok
[INFO] [stdout] test tests::when_using_var_getter_with_an_invalid_utf8_value_then_it_is_a_not_unicode_error ... ok
[INFO] [stdout] test tests::given_an_env_var_with_invalid_utf8_when_getting_the_env_var_with_var_os_then_it_is_some ... ok
[INFO] [stdout] test tests::when_adding_an_environment_variable_then_it_can_be_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests env_wrapper
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - RealEnvironment (line 104) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - FakeEnvironment (line 207) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc8eab1e4b65c28b795a315cf8bc28c57425febefd06d013237acacb89d3ae69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8eab1e4b65c28b795a315cf8bc28c57425febefd06d013237acacb89d3ae69", kill_on_drop: false }`
[INFO] [stdout] fc8eab1e4b65c28b795a315cf8bc28c57425febefd06d013237acacb89d3ae69