[INFO] fetching crate dotenv 0.15.0...
[INFO] building dotenv-0.15.0 against try#dd06aa59b9c8562b8b5652c638defc5836c326d0 for pr-137044
[INFO] extracting crate dotenv 0.15.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate dotenv 0.15.0 on toolchain dd06aa59b9c8562b8b5652c638defc5836c326d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotenv 0.15.0
[INFO] finished tweaking crates.io crate dotenv 0.15.0
[INFO] tweaked toml for crates.io crate dotenv 0.15.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate dotenv 0.15.0 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" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea7564830bce9eb3dabd6b492ceb1d933cda4782782f31253168e34999d9fdfa
[INFO] running `Command { std: "docker" "start" "-a" "ea7564830bce9eb3dabd6b492ceb1d933cda4782782f31253168e34999d9fdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea7564830bce9eb3dabd6b492ceb1d933cda4782782f31253168e34999d9fdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7564830bce9eb3dabd6b492ceb1d933cda4782782f31253168e34999d9fdfa", kill_on_drop: false }`
[INFO] [stdout] ea7564830bce9eb3dabd6b492ceb1d933cda4782782f31253168e34999d9fdfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7a5c3407f3209dfd936dbd2b5cf77fda22445c741608e8e8193a25e4eba47c1
[INFO] running `Command { std: "docker" "start" "-a" "b7a5c3407f3209dfd936dbd2b5cf77fda22445c741608e8e8193a25e4eba47c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling dotenv v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | static START: Once = ONCE_INIT;
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 23 - static START: Once = ONCE_INIT;
[INFO] [stdout] 23 + static START: Once = Once::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "b7a5c3407f3209dfd936dbd2b5cf77fda22445c741608e8e8193a25e4eba47c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a5c3407f3209dfd936dbd2b5cf77fda22445c741608e8e8193a25e4eba47c1", kill_on_drop: false }`
[INFO] [stdout] b7a5c3407f3209dfd936dbd2b5cf77fda22445c741608e8e8193a25e4eba47c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23f65889c3dcc5eae4c5a12183da2f1cd55e1faf8cc705ff49112d7a9fb69afc
[INFO] running `Command { std: "docker" "start" "-a" "23f65889c3dcc5eae4c5a12183da2f1cd55e1faf8cc705ff49112d7a9fb69afc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | static START: Once = ONCE_INIT;
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 23 - static START: Once = ONCE_INIT;
[INFO] [stdout] 23 + static START: Once = Once::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling dotenv v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | static START: Once = ONCE_INIT;
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 23 - static START: Once = ONCE_INIT;
[INFO] [stdout] 23 + static START: Once = Once::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_test_dotenv` is never used
[INFO] [stdout]   --> tests/common/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn make_test_dotenv() -> io::Result<TempDir> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "23f65889c3dcc5eae4c5a12183da2f1cd55e1faf8cc705ff49112d7a9fb69afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f65889c3dcc5eae4c5a12183da2f1cd55e1faf8cc705ff49112d7a9fb69afc", kill_on_drop: false }`
[INFO] [stdout] 23f65889c3dcc5eae4c5a12183da2f1cd55e1faf8cc705ff49112d7a9fb69afc