[INFO] fetching crate tracexec 0.0.4...
[INFO] checking tracexec-0.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tracexec 0.0.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tracexec 0.0.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracexec 0.0.4
[INFO] finished tweaking crates.io crate tracexec 0.0.4
[INFO] tweaked toml for crates.io crate tracexec 0.0.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate tracexec 0.0.4 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shell-quote v0.3.2
[INFO] [stderr]   Downloaded kxxt-owo-colors v4.0.0-rc.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e05807abe0ba0f86938be494758b2cb5d7275285dddadae7123398d9347679f6
[INFO] running `Command { std: "docker" "start" "-a" "e05807abe0ba0f86938be494758b2cb5d7275285dddadae7123398d9347679f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e05807abe0ba0f86938be494758b2cb5d7275285dddadae7123398d9347679f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05807abe0ba0f86938be494758b2cb5d7275285dddadae7123398d9347679f6", kill_on_drop: false }`
[INFO] [stdout] e05807abe0ba0f86938be494758b2cb5d7275285dddadae7123398d9347679f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e22c4f485967146943ffe27e9b570e74b3743bc8d7f8f03da724abf67ac0e9f
[INFO] running `Command { std: "docker" "start" "-a" "6e22c4f485967146943ffe27e9b570e74b3743bc8d7f8f03da724abf67ac0e9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking shell-quote v0.3.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]     Checking kxxt-owo-colors v4.0.0-rc.1
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking tracexec v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `start_time` and `argv` are never read
[INFO] [stdout]   --> src/state.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ProcessState {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub start_time: u64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 17 |     pub argv: Vec<CString>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start_time` and `argv` are never read
[INFO] [stdout]   --> src/state.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ProcessState {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub start_time: u64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 17 |     pub argv: Vec<CString>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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` profile [unoptimized + debuginfo] target(s) in 20.31s
[INFO] running `Command { std: "docker" "inspect" "6e22c4f485967146943ffe27e9b570e74b3743bc8d7f8f03da724abf67ac0e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e22c4f485967146943ffe27e9b570e74b3743bc8d7f8f03da724abf67ac0e9f", kill_on_drop: false }`
[INFO] [stdout] 6e22c4f485967146943ffe27e9b570e74b3743bc8d7f8f03da724abf67ac0e9f
[INFO] checking tracexec-0.0.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tracexec 0.0.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tracexec 0.0.4 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracexec 0.0.4
[INFO] finished tweaking crates.io crate tracexec 0.0.4
[INFO] tweaked toml for crates.io crate tracexec 0.0.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate tracexec 0.0.4 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5e7c22bbaf7e2d18ec3faabfe46c09d95ce9aeb9bd6ff61f68a119ab2bafc3c
[INFO] running `Command { std: "docker" "start" "-a" "c5e7c22bbaf7e2d18ec3faabfe46c09d95ce9aeb9bd6ff61f68a119ab2bafc3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5e7c22bbaf7e2d18ec3faabfe46c09d95ce9aeb9bd6ff61f68a119ab2bafc3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e7c22bbaf7e2d18ec3faabfe46c09d95ce9aeb9bd6ff61f68a119ab2bafc3c", kill_on_drop: false }`
[INFO] [stdout] c5e7c22bbaf7e2d18ec3faabfe46c09d95ce9aeb9bd6ff61f68a119ab2bafc3c
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c6cd104cec7ec388bc5bf6eaf66b83c3bbcc3b69cb37af67b3961d936e90041
[INFO] running `Command { std: "docker" "start" "-a" "7c6cd104cec7ec388bc5bf6eaf66b83c3bbcc3b69cb37af67b3961d936e90041", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking shell-quote v0.3.2
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]     Checking kxxt-owo-colors v4.0.0-rc.1
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking tracexec v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `start_time` and `argv` are never read
[INFO] [stdout]   --> src/state.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ProcessState {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub start_time: u64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 17 |     pub argv: Vec<CString>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start_time` and `argv` are never read
[INFO] [stdout]   --> src/state.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ProcessState {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub start_time: u64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 17 |     pub argv: Vec<CString>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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` profile [unoptimized + debuginfo] target(s) in 22.71s
[INFO] running `Command { std: "docker" "inspect" "7c6cd104cec7ec388bc5bf6eaf66b83c3bbcc3b69cb37af67b3961d936e90041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6cd104cec7ec388bc5bf6eaf66b83c3bbcc3b69cb37af67b3961d936e90041", kill_on_drop: false }`
[INFO] [stdout] 7c6cd104cec7ec388bc5bf6eaf66b83c3bbcc3b69cb37af67b3961d936e90041