[INFO] fetching crate macchanger 0.4.0...
[INFO] checking macchanger-0.4.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate macchanger 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate macchanger 0.4.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate macchanger 0.4.0
[INFO] finished tweaking crates.io crate macchanger 0.4.0
[INFO] tweaked toml for crates.io crate macchanger 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages
[INFO] [stderr]       Adding bitflags v0.7.0 (latest: v2.5.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding colored v1.9.4 (latest: v2.1.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netdevice v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03508fe85d4e56cf07606750d3799a404e11269ee089b1f3d8985f863cafdd8e
[INFO] running `Command { std: "docker" "start" "-a" "03508fe85d4e56cf07606750d3799a404e11269ee089b1f3d8985f863cafdd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03508fe85d4e56cf07606750d3799a404e11269ee089b1f3d8985f863cafdd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03508fe85d4e56cf07606750d3799a404e11269ee089b1f3d8985f863cafdd8e", kill_on_drop: false }`
[INFO] [stdout] 03508fe85d4e56cf07606750d3799a404e11269ee089b1f3d8985f863cafdd8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 151711f37ba5d083a2e125afe9b66988a0cc4932c8ca37bd3b52b69ce02368fc
[INFO] running `Command { std: "docker" "start" "-a" "151711f37ba5d083a2e125afe9b66988a0cc4932c8ca37bd3b52b69ce02368fc", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking netdevice v0.1.1
[INFO] [stderr]     Checking macchanger v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `process_exitcode_placeholder`
[INFO] [stdout]   --> src/main.rs:18:35
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(termination_trait_lib, process_exitcode_placeholder, try_from)]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `process_exitcode_placeholder`
[INFO] [stdout]   --> src/main.rs:18:35
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(termination_trait_lib, process_exitcode_placeholder, try_from)]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `macchanger` (bin "macchanger") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `macchanger` (bin "macchanger" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "151711f37ba5d083a2e125afe9b66988a0cc4932c8ca37bd3b52b69ce02368fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151711f37ba5d083a2e125afe9b66988a0cc4932c8ca37bd3b52b69ce02368fc", kill_on_drop: false }`
[INFO] [stdout] 151711f37ba5d083a2e125afe9b66988a0cc4932c8ca37bd3b52b69ce02368fc
[INFO] checking macchanger-0.4.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate macchanger 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate macchanger 0.4.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate macchanger 0.4.0
[INFO] finished tweaking crates.io crate macchanger 0.4.0
[INFO] tweaked toml for crates.io crate macchanger 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0ef815fa497e0167882f1f3d640f1bdc08d3be9d944c84cea14519b60caa538
[INFO] running `Command { std: "docker" "start" "-a" "c0ef815fa497e0167882f1f3d640f1bdc08d3be9d944c84cea14519b60caa538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0ef815fa497e0167882f1f3d640f1bdc08d3be9d944c84cea14519b60caa538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ef815fa497e0167882f1f3d640f1bdc08d3be9d944c84cea14519b60caa538", kill_on_drop: false }`
[INFO] [stdout] c0ef815fa497e0167882f1f3d640f1bdc08d3be9d944c84cea14519b60caa538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d27c4185f29b1417703387fb3a8aa6f587f145f0e93602b6f846b81f5208f22
[INFO] running `Command { std: "docker" "start" "-a" "3d27c4185f29b1417703387fb3a8aa6f587f145f0e93602b6f846b81f5208f22", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "3d27c4185f29b1417703387fb3a8aa6f587f145f0e93602b6f846b81f5208f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d27c4185f29b1417703387fb3a8aa6f587f145f0e93602b6f846b81f5208f22", kill_on_drop: false }`
[INFO] [stdout] 3d27c4185f29b1417703387fb3a8aa6f587f145f0e93602b6f846b81f5208f22