[INFO] fetching crate dotenv 0.15.0...
[INFO] checking dotenv-0.15.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate dotenv 0.15.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dotenv 0.15.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-6/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: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94ba313178981362c0232ef5df1ee46827d86fa490a16ae1deefd3b8d865c253
[INFO] running `Command { std: "docker" "start" "-a" "94ba313178981362c0232ef5df1ee46827d86fa490a16ae1deefd3b8d865c253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94ba313178981362c0232ef5df1ee46827d86fa490a16ae1deefd3b8d865c253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ba313178981362c0232ef5df1ee46827d86fa490a16ae1deefd3b8d865c253", kill_on_drop: false }`
[INFO] [stdout] 94ba313178981362c0232ef5df1ee46827d86fa490a16ae1deefd3b8d865c253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 164c221104ef3d8756b1a1ab476e47227d8951aefa87f0e18c8c7d44b5bd1cc0
[INFO] running `Command { std: "docker" "start" "-a" "164c221104ef3d8756b1a1ab476e47227d8951aefa87f0e18c8c7d44b5bd1cc0", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking dotenv v0.15.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stdout] warning: unused import: `ONCE_INIT`
[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(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Migrating tests/test-child-dir.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test-default-location.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/simple.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test-vars.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test-var.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test-from-filename.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test-from-filename-iter.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test-dotenv-iter.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test-variable-substitution.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test-from-path.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test-from-path-iter.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stdout] warning: function is never used: `make_test_dotenv`
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.07s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking dotenv v0.15.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `make_test_dotenv`
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "164c221104ef3d8756b1a1ab476e47227d8951aefa87f0e18c8c7d44b5bd1cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164c221104ef3d8756b1a1ab476e47227d8951aefa87f0e18c8c7d44b5bd1cc0", kill_on_drop: false }`
[INFO] [stdout] 164c221104ef3d8756b1a1ab476e47227d8951aefa87f0e18c8c7d44b5bd1cc0