[INFO] cloning repository https://github.com/YangKeao/mntexec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YangKeao/mntexec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangKeao%2Fmntexec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangKeao%2Fmntexec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9d6e1e001fa737e9263409df27abc1c45e5c4b6
[INFO] fixing YangKeao/mntexec against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangKeao%2Fmntexec" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/YangKeao/mntexec
[INFO] finished tweaking git repo https://github.com/YangKeao/mntexec
[INFO] tweaked toml for git repo https://github.com/YangKeao/mntexec written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YangKeao/mntexec on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YangKeao/mntexec 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b0bbd9d3ab574179c6a0b47e10ad7fffe0d7fd9801f764b6444c149403cec2dc
[INFO] running `Command { std: "docker" "start" "b0bbd9d3ab574179c6a0b47e10ad7fffe0d7fd9801f764b6444c149403cec2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b0bbd9d3ab574179c6a0b47e10ad7fffe0d7fd9801f764b6444c149403cec2dc" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0bbd9d3ab574179c6a0b47e10ad7fffe0d7fd9801f764b6444c149403cec2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b0bbd9d3ab574179c6a0b47e10ad7fffe0d7fd9801f764b6444c149403cec2dc" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating nsenter/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]     Checking nsenter v0.1.0 (/opt/rustwide/workdir/nsenter)
[INFO] [stderr]    Migrating nsenter/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking command-fds v0.2.1
[INFO] [stderr]     Checking nsexec v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.41s
[INFO] [stderr] crater-edition-check: nsenter v0.1.0 (/opt/rustwide/workdir/nsenter) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: nsexec v0.1.7 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking nsenter v0.1.0 (/opt/rustwide/workdir/nsenter)
[INFO] [stderr]     Checking nsexec v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.71s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating nsenter/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]     Checking nsenter v0.1.0 (/opt/rustwide/workdir/nsenter)
[INFO] [stderr]     Checking nsexec v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating nsenter/src/lib.rs from 2021 edition to 2024
[INFO] [stderr] error: errors present after applying fixes to crate `nsenter`
[INFO] [stdout] warning: unsafe attribute used without unsafe
[INFO] [stdout]  --> nsenter/src/lib.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-attributes.html>
[INFO] [stdout]   = note: `--force-warn unsafe-attr-outside-unsafe` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[unsafe(no_mangle)]
[INFO] [stdout]   |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  --> nsenter/src/lib.rs
[INFO] [stdout] warning: call to deprecated safe function `std::env::remove_var` is unsafe and requires unsafe block
[INFO] [stdout]   --> nsenter/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     std::env::remove_var("LD_PRELOAD")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/newly-unsafe-functions.html>
[INFO] [stdout]    = note: `--force-warn deprecated-safe-2024` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: you can wrap the call in an `unsafe` block if you can guarantee that the environment access only happens in single-threaded code
[INFO] [stdout]    |
[INFO] [stdout] 15 +     // FIXME: Audit that the environment access only happens in single-threaded code.
[INFO] [stdout] 16 ~     unsafe { std::env::remove_var("LD_PRELOAD") }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   = cause: error: expected path
[INFO] [stderr]             --> nsenter/src/lib.rs:8:3
[INFO] [stderr]              |
[INFO] [stderr]            8 | #[unsafe(no_mangle)]
[INFO] [stderr]              |   ^^^^^^
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: aborting due to 1 previous error
[INFO] [stderr] help: to report this as a bug, open an issue at https://github.com/rust-lang/rust/issues, quoting the full output of this command
[INFO] [stderr] help: to possibly apply more fixes, pass in the `--broken-code` flag
[INFO] [stderr] note: original diagnostics will follow:
[INFO] [stderr] error: errors present after applying fixes to crate `nsenter`
[INFO] [stdout] warning: unsafe attribute used without unsafe
[INFO] [stdout]  --> nsenter/src/lib.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-attributes.html>
[INFO] [stdout]   = note: `--force-warn unsafe-attr-outside-unsafe` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[unsafe(no_mangle)]
[INFO] [stdout]   |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  --> nsenter/src/lib.rs
[INFO] [stderr]   = cause: error: expected path
[INFO] [stderr]             --> nsenter/src/lib.rs:8:3
[INFO] [stderr]              |
[INFO] [stderr]            8 | #[unsafe(no_mangle)]
[INFO] [stderr]              |   ^^^^^^
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: aborting due to 1 previous error
[INFO] [stderr] help: to report this as a bug, open an issue at https://github.com/rust-lang/rust/issues, quoting the full output of this command
[INFO] [stderr] help: to possibly apply more fixes, pass in the `--broken-code` flag
[INFO] [stderr] note: original diagnostics will follow:
[INFO] [stdout] warning: call to deprecated safe function `std::env::remove_var` is unsafe and requires unsafe block
[INFO] [stdout]   --> nsenter/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     std::env::remove_var("LD_PRELOAD")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/newly-unsafe-functions.html>
[INFO] [stdout]    = note: `--force-warn deprecated-safe-2024` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: you can wrap the call in an `unsafe` block if you can guarantee that the environment access only happens in single-threaded code
[INFO] [stdout]    |
[INFO] [stdout] 15 +     // FIXME: Audit that the environment access only happens in single-threaded code.
[INFO] [stdout] 16 ~     unsafe { std::env::remove_var("LD_PRELOAD") }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.64s
[INFO] [stderr] crater-edition-check: nsenter v0.1.0 (/opt/rustwide/workdir/nsenter) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: nsexec v0.1.7 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking nsenter v0.1.0 (/opt/rustwide/workdir/nsenter)
[INFO] [stderr]     Checking nsexec v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]  --> nsenter/src/lib.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]   |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[unsafe(no_mangle)]
[INFO] [stdout]   |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]  --> nsenter/src/lib.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]   |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[unsafe(no_mangle)]
[INFO] [stdout]   |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::env::remove_var` is unsafe and requires unsafe block
[INFO] [stdout]   --> nsenter/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     std::env::remove_var("LD_PRELOAD")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> nsenter/src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | #[ctor::ctor]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nsenter` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning[E0133]: call to unsafe function `std::env::remove_var` is unsafe and requires unsafe block
[INFO] [stdout]   --> nsenter/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     std::env::remove_var("LD_PRELOAD")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> nsenter/src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | #[ctor::ctor]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nsenter` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b0bbd9d3ab574179c6a0b47e10ad7fffe0d7fd9801f764b6444c149403cec2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0bbd9d3ab574179c6a0b47e10ad7fffe0d7fd9801f764b6444c149403cec2dc", kill_on_drop: false }`
[INFO] [stdout] b0bbd9d3ab574179c6a0b47e10ad7fffe0d7fd9801f764b6444c149403cec2dc
