[INFO] cloning repository https://github.com/mrk-its/obx2elf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrk-its/obx2elf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrk-its%2Fobx2elf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrk-its%2Fobx2elf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a9c27789750c6d9c6131edaea5477eac85ca57c
[INFO] checking mrk-its/obx2elf against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrk-its%2Fobx2elf" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrk-its/obx2elf 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] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mrk-its/obx2elf
[INFO] finished tweaking git repo https://github.com/mrk-its/obx2elf
[INFO] tweaked toml for git repo https://github.com/mrk-its/obx2elf written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mrk-its/obx2elf 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 git repository `https://github.com/mrk-its/faerie`
[INFO] [stderr]     Updating git repository `https://github.com/mrk-its/goblin/`
[INFO] [stderr]     Updating git repository `https://github.com/mrk-its/target-lexicon`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll_derive v0.10.5
[INFO] [stderr]   Downloaded string-interner v0.12.2
[INFO] [stderr]   Downloaded clap_derive v3.0.12
[INFO] [stderr]   Downloaded scroll v0.10.2
[INFO] [stderr]   Downloaded clap v3.0.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c2bfb966de887aff1871e1324e69c1e9e48eb3cbe05ba1c48d6f329accb09244
[INFO] running `Command { std: "docker" "start" "-a" "c2bfb966de887aff1871e1324e69c1e9e48eb3cbe05ba1c48d6f329accb09244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2bfb966de887aff1871e1324e69c1e9e48eb3cbe05ba1c48d6f329accb09244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2bfb966de887aff1871e1324e69c1e9e48eb3cbe05ba1c48d6f329accb09244", kill_on_drop: false }`
[INFO] [stdout] c2bfb966de887aff1871e1324e69c1e9e48eb3cbe05ba1c48d6f329accb09244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7eee994b00c775f824c67ccf6d7915f31bc2af1b024cd5340a0bb31903175d67
[INFO] running `Command { std: "docker" "start" "-a" "7eee994b00c775f824c67ccf6d7915f31bc2af1b024cd5340a0bb31903175d67", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling target-lexicon v0.11.2 (https://github.com/mrk-its/target-lexicon?branch=mos#2c0cf405)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking string-interner v0.12.2
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.0.12
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking goblin v0.3.4 (https://github.com/mrk-its/goblin/?branch=mos#e18d2e74)
[INFO] [stderr]     Checking clap v3.0.13
[INFO] [stderr]     Checking faerie v0.16.0 (https://github.com/mrk-its/faerie?branch=mos#ef81da0d)
[INFO] [stderr]     Checking obx2elf v0.1.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/obx.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log;
[INFO] [stdout]   |     ^^^ the item `log` 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 `log` is imported redundantly
[INFO] [stdout]  --> src/obx.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log;
[INFO] [stdout]   |     ^^^ the item `log` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.22s
[INFO] running `Command { std: "docker" "inspect" "7eee994b00c775f824c67ccf6d7915f31bc2af1b024cd5340a0bb31903175d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eee994b00c775f824c67ccf6d7915f31bc2af1b024cd5340a0bb31903175d67", kill_on_drop: false }`
[INFO] [stdout] 7eee994b00c775f824c67ccf6d7915f31bc2af1b024cd5340a0bb31903175d67
[INFO] checking mrk-its/obx2elf against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrk-its%2Fobx2elf" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrk-its/obx2elf 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] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mrk-its/obx2elf
[INFO] finished tweaking git repo https://github.com/mrk-its/obx2elf
[INFO] tweaked toml for git repo https://github.com/mrk-its/obx2elf written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mrk-its/obx2elf 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] aba03623a49682555e7b4d95cad1b53b572e25ce6e9409f47bc230cfc6ff2bff
[INFO] running `Command { std: "docker" "start" "-a" "aba03623a49682555e7b4d95cad1b53b572e25ce6e9409f47bc230cfc6ff2bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aba03623a49682555e7b4d95cad1b53b572e25ce6e9409f47bc230cfc6ff2bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba03623a49682555e7b4d95cad1b53b572e25ce6e9409f47bc230cfc6ff2bff", kill_on_drop: false }`
[INFO] [stdout] aba03623a49682555e7b4d95cad1b53b572e25ce6e9409f47bc230cfc6ff2bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5e38c665083caba45025cd4532a877b67ce0f7866e10b2ea2a1d5d202dea27f7
[INFO] running `Command { std: "docker" "start" "-a" "5e38c665083caba45025cd4532a877b67ce0f7866e10b2ea2a1d5d202dea27f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling target-lexicon v0.11.2 (https://github.com/mrk-its/target-lexicon?branch=mos#2c0cf405)
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking string-interner v0.12.2
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.0.12
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking goblin v0.3.4 (https://github.com/mrk-its/goblin/?branch=mos#e18d2e74)
[INFO] [stderr]     Checking clap v3.0.13
[INFO] [stderr]     Checking faerie v0.16.0 (https://github.com/mrk-its/faerie?branch=mos#ef81da0d)
[INFO] [stderr]     Checking obx2elf v0.1.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/obx.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log;
[INFO] [stdout]   |     ^^^ the item `log` 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 `log` is imported redundantly
[INFO] [stdout]  --> src/obx.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log;
[INFO] [stdout]   |     ^^^ the item `log` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.81s
[INFO] running `Command { std: "docker" "inspect" "5e38c665083caba45025cd4532a877b67ce0f7866e10b2ea2a1d5d202dea27f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e38c665083caba45025cd4532a877b67ce0f7866e10b2ea2a1d5d202dea27f7", kill_on_drop: false }`
[INFO] [stdout] 5e38c665083caba45025cd4532a877b67ce0f7866e10b2ea2a1d5d202dea27f7