[INFO] fetching crate de_env 1.0.0...
[INFO] testing de_env-1.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate de_env 1.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate de_env 1.0.0
[INFO] finished tweaking crates.io crate de_env 1.0.0
[INFO] tweaked toml for crates.io crate de_env 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate de_env 1.0.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02ae8d8f3a4c1a9d627821eeb6477ea2dc853f3ce13a70141249f68dd6b8d4b6
[INFO] running `Command { std: "docker" "start" "-a" "02ae8d8f3a4c1a9d627821eeb6477ea2dc853f3ce13a70141249f68dd6b8d4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02ae8d8f3a4c1a9d627821eeb6477ea2dc853f3ce13a70141249f68dd6b8d4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ae8d8f3a4c1a9d627821eeb6477ea2dc853f3ce13a70141249f68dd6b8d4b6", kill_on_drop: false }`
[INFO] [stdout] 02ae8d8f3a4c1a9d627821eeb6477ea2dc853f3ce13a70141249f68dd6b8d4b6
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d5e04be049b298e2992fcfb32dc905f76acfff1b0b984660e5e1bac2c1d360f
[INFO] running `Command { std: "docker" "start" "-a" "9d5e04be049b298e2992fcfb32dc905f76acfff1b0b984660e5e1bac2c1d360f", kill_on_drop: false }`
[INFO] [stderr]    Compiling de_env v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "9d5e04be049b298e2992fcfb32dc905f76acfff1b0b984660e5e1bac2c1d360f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d5e04be049b298e2992fcfb32dc905f76acfff1b0b984660e5e1bac2c1d360f", kill_on_drop: false }`
[INFO] [stdout] 9d5e04be049b298e2992fcfb32dc905f76acfff1b0b984660e5e1bac2c1d360f
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afce26ca1a0fa369f8e5a6c586305b94ddaad1c0a62eed8ba24f1d5fed23df6e
[INFO] running `Command { std: "docker" "start" "-a" "afce26ca1a0fa369f8e5a6c586305b94ddaad1c0a62eed8ba24f1d5fed23df6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling de_env v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/de/value.rs:221:28
[INFO] [stdout]     |
[INFO] [stdout] 221 |             NewTypeVariant(bool),
[INFO] [stdout]     |             -------------- ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Switch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 221 -             NewTypeVariant(bool),
[INFO] [stdout] 221 +             NewTypeVariant(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "afce26ca1a0fa369f8e5a6c586305b94ddaad1c0a62eed8ba24f1d5fed23df6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afce26ca1a0fa369f8e5a6c586305b94ddaad1c0a62eed8ba24f1d5fed23df6e", kill_on_drop: false }`
[INFO] [stdout] afce26ca1a0fa369f8e5a6c586305b94ddaad1c0a62eed8ba24f1d5fed23df6e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7eec8a2ace51506f25e360ab434c47a7e18c2aabd5e436861a6e742e1063b695
[INFO] running `Command { std: "docker" "start" "-a" "7eec8a2ace51506f25e360ab434c47a7e18c2aabd5e436861a6e742e1063b695", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/de/value.rs:221:28
[INFO] [stderr]     |
[INFO] [stderr] 221 |             NewTypeVariant(bool),
[INFO] [stderr]     |             -------------- ^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Switch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 221 -             NewTypeVariant(bool),
[INFO] [stderr] 221 +             NewTypeVariant(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `de_env` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/de_env-67bde59198371b18)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test de::value::tests::deserialize_bool ... ok
[INFO] [stdout] test de::value::tests::deserialize_enum ... ok
[INFO] [stdout] test tests::newtype ... ok
[INFO] [stdout] test tests::prefixed ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::option ... ok
[INFO] [stdout] test de::value::tests::deserialize_newtype_struct ... ok
[INFO] [stdout] test tests::deny_unknown_fields - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests de_env
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/de/mod.rs - de::from_iter (line 93) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/de/mod.rs - de::from_env_prefixed (line 54) ... ok
[INFO] [stdout] test src/de/mod.rs - de::from_env (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7eec8a2ace51506f25e360ab434c47a7e18c2aabd5e436861a6e742e1063b695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eec8a2ace51506f25e360ab434c47a7e18c2aabd5e436861a6e742e1063b695", kill_on_drop: false }`
[INFO] [stdout] 7eec8a2ace51506f25e360ab434c47a7e18c2aabd5e436861a6e742e1063b695