[INFO] fetching crate recursive-env 0.1.1...
[INFO] building recursive-env-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate recursive-env 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate recursive-env 0.1.1
[INFO] finished tweaking crates.io crate recursive-env 0.1.1
[INFO] tweaked toml for crates.io crate recursive-env 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate recursive-env 0.1.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate recursive-env 0.1.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v2.0.0
[INFO] [stderr]   Downloaded serial_test v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4628d1d570588926c1478f258c871cbaa7ae94b2a7cfd5669ccdd329111b10a
[INFO] running `Command { std: "docker" "start" "-a" "c4628d1d570588926c1478f258c871cbaa7ae94b2a7cfd5669ccdd329111b10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4628d1d570588926c1478f258c871cbaa7ae94b2a7cfd5669ccdd329111b10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4628d1d570588926c1478f258c871cbaa7ae94b2a7cfd5669ccdd329111b10a", kill_on_drop: false }`
[INFO] [stdout] c4628d1d570588926c1478f258c871cbaa7ae94b2a7cfd5669ccdd329111b10a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d79bab3266cb4a0814caf0908b3052fd7b9a9f852646cd45919075cbfbd8cd78
[INFO] running `Command { std: "docker" "start" "-a" "d79bab3266cb4a0814caf0908b3052fd7b9a9f852646cd45919075cbfbd8cd78", kill_on_drop: false }`
[INFO] [stderr]    Compiling recursive-env v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "d79bab3266cb4a0814caf0908b3052fd7b9a9f852646cd45919075cbfbd8cd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79bab3266cb4a0814caf0908b3052fd7b9a9f852646cd45919075cbfbd8cd78", kill_on_drop: false }`
[INFO] [stdout] d79bab3266cb4a0814caf0908b3052fd7b9a9f852646cd45919075cbfbd8cd78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cca5d1f253883cdb444d6bf9e36f2717388c3ecf7d6630c7305da46b05a932d
[INFO] running `Command { std: "docker" "start" "-a" "3cca5d1f253883cdb444d6bf9e36f2717388c3ecf7d6630c7305da46b05a932d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling hashbrown v0.14.1
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling serial_test v2.0.0
[INFO] [stderr]    Compiling recursive-env v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `assert_ne`
[INFO] [stdout]    --> src/lib.rs:232:40
[INFO] [stdout]     |
[INFO] [stdout] 232 |     use pretty_assertions::{assert_eq, assert_ne};
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.68s
[INFO] running `Command { std: "docker" "inspect" "3cca5d1f253883cdb444d6bf9e36f2717388c3ecf7d6630c7305da46b05a932d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cca5d1f253883cdb444d6bf9e36f2717388c3ecf7d6630c7305da46b05a932d", kill_on_drop: false }`
[INFO] [stdout] 3cca5d1f253883cdb444d6bf9e36f2717388c3ecf7d6630c7305da46b05a932d