[INFO] fetching crate env_wrapper 0.1.1...
[INFO] testing env_wrapper-0.1.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate env_wrapper 0.1.1 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate env_wrapper 0.1.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0aca19a5cc0cfd81daecb4fc3e288d35f277fe07c720c308092eb4bb487bf5a0
[INFO] running `Command { std: "docker" "start" "-a" "0aca19a5cc0cfd81daecb4fc3e288d35f277fe07c720c308092eb4bb487bf5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aca19a5cc0cfd81daecb4fc3e288d35f277fe07c720c308092eb4bb487bf5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aca19a5cc0cfd81daecb4fc3e288d35f277fe07c720c308092eb4bb487bf5a0", kill_on_drop: false }`
[INFO] [stdout] 0aca19a5cc0cfd81daecb4fc3e288d35f277fe07c720c308092eb4bb487bf5a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25b4c1626f2d0c6ca00f8c0c67df1c48dcb41ab15191404d7abb48a85cec671c
[INFO] running `Command { std: "docker" "start" "-a" "25b4c1626f2d0c6ca00f8c0c67df1c48dcb41ab15191404d7abb48a85cec671c", 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 0.16s
[INFO] running `Command { std: "docker" "inspect" "25b4c1626f2d0c6ca00f8c0c67df1c48dcb41ab15191404d7abb48a85cec671c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b4c1626f2d0c6ca00f8c0c67df1c48dcb41ab15191404d7abb48a85cec671c", kill_on_drop: false }`
[INFO] [stdout] 25b4c1626f2d0c6ca00f8c0c67df1c48dcb41ab15191404d7abb48a85cec671c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b3e32b51c9cf2a674c8cff443ae65a27df5909c9bec1366900751410bfd3544
[INFO] running `Command { std: "docker" "start" "-a" "2b3e32b51c9cf2a674c8cff443ae65a27df5909c9bec1366900751410bfd3544", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[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 3.72s
[INFO] running `Command { std: "docker" "inspect" "2b3e32b51c9cf2a674c8cff443ae65a27df5909c9bec1366900751410bfd3544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3e32b51c9cf2a674c8cff443ae65a27df5909c9bec1366900751410bfd3544", kill_on_drop: false }`
[INFO] [stdout] 2b3e32b51c9cf2a674c8cff443ae65a27df5909c9bec1366900751410bfd3544
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fb782e7fa80d2b1e796587c0092a74ebc45d43c62f463f1dfe2257bc234e43b
[INFO] running `Command { std: "docker" "start" "-a" "0fb782e7fa80d2b1e796587c0092a74ebc45d43c62f463f1dfe2257bc234e43b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/env_wrapper-595132044122caca)
[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_an_env_var_with_invalid_utf8_when_getting_the_env_var_with_var_os_then_it_is_some ... 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_removing_the_same_environment_variable_then_the_variable_no_longer_exists ... 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_adding_an_environment_variable_then_it_can_be_read ... ok
[INFO] [stdout] test tests::when_removing_a_nonexistent_environment_variable_then_do_not_panic ... 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_a_nonexistent_env_var_when_getting_the_env_var_with_var_then_it_is_a_not_present_error ... ok
[INFO] [stdout] test tests::when_setting_env_vars_then_multiple_data_types_can_be_used_on_the_same_environment_instance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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 - FakeEnvironment (line 207) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fb782e7fa80d2b1e796587c0092a74ebc45d43c62f463f1dfe2257bc234e43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb782e7fa80d2b1e796587c0092a74ebc45d43c62f463f1dfe2257bc234e43b", kill_on_drop: false }`
[INFO] [stdout] 0fb782e7fa80d2b1e796587c0092a74ebc45d43c62f463f1dfe2257bc234e43b