[INFO] cloning repository https://github.com/david-a-wheeler/metamath-knife
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/david-a-wheeler/metamath-knife" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-a-wheeler%2Fmetamath-knife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-a-wheeler%2Fmetamath-knife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc4fc68dfafd900905b26fdb331b607a93bbaca7
[INFO] checking david-a-wheeler/metamath-knife against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124305
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-a-wheeler%2Fmetamath-knife" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/david-a-wheeler/metamath-knife on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/david-a-wheeler/metamath-knife
[INFO] finished tweaking git repo https://github.com/david-a-wheeler/metamath-knife
[INFO] tweaked toml for git repo https://github.com/david-a-wheeler/metamath-knife written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/david-a-wheeler/metamath-knife 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] [stderr]   Downloaded dot-writer v0.1.3
[INFO] [stderr]   Downloaded annotate-snippets v0.9.1
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c11d01de2b7c23463e17a9d525de77e5177f9fe1fc982f008cbd5fce3ab9e17a
[INFO] running `Command { std: "docker" "start" "-a" "c11d01de2b7c23463e17a9d525de77e5177f9fe1fc982f008cbd5fce3ab9e17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c11d01de2b7c23463e17a9d525de77e5177f9fe1fc982f008cbd5fce3ab9e17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11d01de2b7c23463e17a9d525de77e5177f9fe1fc982f008cbd5fce3ab9e17a", kill_on_drop: false }`
[INFO] [stdout] c11d01de2b7c23463e17a9d525de77e5177f9fe1fc982f008cbd5fce3ab9e17a
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c660ad45af4324b005a0f44d7624981692c901d788a3d37064281d311ef6d652
[INFO] running `Command { std: "docker" "start" "-a" "c660ad45af4324b005a0f44d7624981692c901d788a3d37064281d311ef6d652", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]     Checking annotate-snippets v0.9.1
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.21
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking time v0.3.21
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking metamath-rs v0.3.8 (/opt/rustwide/workdir/metamath-rs)
[INFO] [stderr]     Checking simple_logger v1.16.0
[INFO] [stderr]     Checking metamath-knife v0.3.8 (/opt/rustwide/workdir/metamath-knife)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "c660ad45af4324b005a0f44d7624981692c901d788a3d37064281d311ef6d652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c660ad45af4324b005a0f44d7624981692c901d788a3d37064281d311ef6d652", kill_on_drop: false }`
[INFO] [stdout] c660ad45af4324b005a0f44d7624981692c901d788a3d37064281d311ef6d652
[INFO] checking david-a-wheeler/metamath-knife against try#44523379467bbd2050af931a040d10c2b764b443 for pr-124305
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-a-wheeler%2Fmetamath-knife" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/david-a-wheeler/metamath-knife on toolchain 44523379467bbd2050af931a040d10c2b764b443
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/david-a-wheeler/metamath-knife
[INFO] finished tweaking git repo https://github.com/david-a-wheeler/metamath-knife
[INFO] tweaked toml for git repo https://github.com/david-a-wheeler/metamath-knife written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/david-a-wheeler/metamath-knife 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" "+44523379467bbd2050af931a040d10c2b764b443" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64e3b012ff3186db0f212b7ecba546603f0e545385f53ecf2a97573b1c8f188f
[INFO] running `Command { std: "docker" "start" "-a" "64e3b012ff3186db0f212b7ecba546603f0e545385f53ecf2a97573b1c8f188f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64e3b012ff3186db0f212b7ecba546603f0e545385f53ecf2a97573b1c8f188f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e3b012ff3186db0f212b7ecba546603f0e545385f53ecf2a97573b1c8f188f", kill_on_drop: false }`
[INFO] [stdout] 64e3b012ff3186db0f212b7ecba546603f0e545385f53ecf2a97573b1c8f188f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfc50ef1fae0071a4e42df03e5f15b0d6d3688f8324eb76b06635b3a5a275c5e
[INFO] running `Command { std: "docker" "start" "-a" "bfc50ef1fae0071a4e42df03e5f15b0d6d3688f8324eb76b06635b3a5a275c5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking annotate-snippets v0.9.1
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.21
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking time v0.3.21
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking metamath-rs v0.3.8 (/opt/rustwide/workdir/metamath-rs)
[INFO] [stderr]     Checking simple_logger v1.16.0
[INFO] [stdout] error[E0453]: warn(future_incompatible) incompatible with previous forbid
[INFO] [stdout]   --> metamath-rs/src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     future_incompatible,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = note: `forbid` lint level is the default for where_clauses_object_safety
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: warn(future_incompatible) incompatible with previous forbid
[INFO] [stdout]   --> metamath-rs/src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     future_incompatible,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = note: `forbid` lint level is the default for where_clauses_object_safety
[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 E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metamath-rs` (lib) 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 E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metamath-rs` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bfc50ef1fae0071a4e42df03e5f15b0d6d3688f8324eb76b06635b3a5a275c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc50ef1fae0071a4e42df03e5f15b0d6d3688f8324eb76b06635b3a5a275c5e", kill_on_drop: false }`
[INFO] [stdout] bfc50ef1fae0071a4e42df03e5f15b0d6d3688f8324eb76b06635b3a5a275c5e