[INFO] fetching crate envmnt 0.10.4...
[INFO] checking envmnt-0.10.4 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate envmnt 0.10.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate envmnt 0.10.4 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate envmnt 0.10.4
[INFO] finished tweaking crates.io crate envmnt 0.10.4
[INFO] tweaked toml for crates.io crate envmnt 0.10.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate envmnt 0.10.4 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" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indexmap v1.9.1
[INFO] [stderr]   Downloaded dunce v1.0.2
[INFO] [stderr]   Downloaded fsio v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c11312a8d3e6f238e459e052c5f32398a778dda0ebbaaa87178ca961c205d35
[INFO] running `Command { std: "docker" "start" "-a" "8c11312a8d3e6f238e459e052c5f32398a778dda0ebbaaa87178ca961c205d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c11312a8d3e6f238e459e052c5f32398a778dda0ebbaaa87178ca961c205d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c11312a8d3e6f238e459e052c5f32398a778dda0ebbaaa87178ca961c205d35", kill_on_drop: false }`
[INFO] [stdout] 8c11312a8d3e6f238e459e052c5f32398a778dda0ebbaaa87178ca961c205d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f51b8beedde08a6bb0ed789989d82526201aae05034cf7159816ff7c1e450a23
[INFO] running `Command { std: "docker" "start" "-a" "f51b8beedde08a6bb0ed789989d82526201aae05034cf7159816ff7c1e450a23", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking fsio v0.4.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking envmnt v0.10.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     const_err,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `illegal_floating_point_literal_pattern` has been removed: no longer a warning, float patterns behave the same as `==`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     illegal_floating_point_literal_pattern,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `nontrivial_structural_match` has been removed: no longer needed, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     nontrivial_structural_match,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `suspicious_auto_trait_impls` has been removed: no longer needed, see #93367 <https://github.com/rust-lang/rust/issues/93367> for more information
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     suspicious_auto_trait_impls,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unaligned_references` has been removed: converted into hard error, see issue #82523 <https://github.com/rust-lang/rust/issues/82523> for more information
[INFO] [stdout]    --> src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     unaligned_references,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     const_err,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `illegal_floating_point_literal_pattern` has been removed: no longer a warning, float patterns behave the same as `==`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     illegal_floating_point_literal_pattern,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `nontrivial_structural_match` has been removed: no longer needed, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     nontrivial_structural_match,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `suspicious_auto_trait_impls` has been removed: no longer needed, see #93367 <https://github.com/rust-lang/rust/issues/93367> for more information
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     suspicious_auto_trait_impls,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unaligned_references` has been removed: converted into hard error, see issue #82523 <https://github.com/rust-lang/rust/issues/82523> for more information
[INFO] [stdout]    --> src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     unaligned_references,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `env` is imported redundantly
[INFO] [stdout]    --> src/./environment_test.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout] 1   | use super::*;
[INFO] [stdout]     |     -------- the item `env` is already imported here
[INFO] [stdout] 2   | use std::env;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     unused_imports,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `FsIOError` is imported redundantly
[INFO] [stdout]  --> src/./errors_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `FsIOError` is already imported here
[INFO] [stdout] 2 | use fsio::error::FsIOError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `FsIOError` is imported redundantly
[INFO] [stdout]  --> src/./file_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `FsIOError` is already imported here
[INFO] [stdout] 2 | use crate::environment;
[INFO] [stdout] 3 | use fsio::error::FsIOError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `env` is imported redundantly
[INFO] [stdout]  --> src/./numeric_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `env` is already imported here
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> tests/numeric_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> examples/file.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> tests/string_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> examples/numeric.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> tests/list_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> examples/bulk.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> examples/modify.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> tests/bulk_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> benches/bench_exists.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> tests/bool_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> examples/list.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `envmnt` is imported redundantly
[INFO] [stdout]  --> examples/boolean.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use envmnt;
[INFO] [stdout]   |     ^^^^^^ the item `envmnt` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `envmnt` (lib test) due to 5 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f51b8beedde08a6bb0ed789989d82526201aae05034cf7159816ff7c1e450a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51b8beedde08a6bb0ed789989d82526201aae05034cf7159816ff7c1e450a23", kill_on_drop: false }`
[INFO] [stdout] f51b8beedde08a6bb0ed789989d82526201aae05034cf7159816ff7c1e450a23