[INFO] fetching crate branch-and-bound 0.5.0...
[INFO] testing branch-and-bound-0.5.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate branch-and-bound 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate branch-and-bound 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate branch-and-bound 0.5.0
[INFO] tweaked toml for crates.io crate branch-and-bound 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate branch-and-bound 0.5.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate branch-and-bound 0.5.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54088da444cbc485e10bbca4c04b20d3bd7a2e23290cceef1ce8ae141e13bbb3
[INFO] running `Command { std: "docker" "start" "-a" "54088da444cbc485e10bbca4c04b20d3bd7a2e23290cceef1ce8ae141e13bbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54088da444cbc485e10bbca4c04b20d3bd7a2e23290cceef1ce8ae141e13bbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54088da444cbc485e10bbca4c04b20d3bd7a2e23290cceef1ce8ae141e13bbb3", kill_on_drop: false }`
[INFO] [stdout] 54088da444cbc485e10bbca4c04b20d3bd7a2e23290cceef1ce8ae141e13bbb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d02b6939db985d6b05b77a57c74ac3339cff37c8ff8b3c2e67f0283e1466d48f
[INFO] running `Command { std: "docker" "start" "-a" "d02b6939db985d6b05b77a57c74ac3339cff37c8ff8b3c2e67f0283e1466d48f", kill_on_drop: false }`
[INFO] [stderr]    Compiling compare v0.1.0
[INFO] [stderr]    Compiling binary-heap-plus v0.5.0
[INFO] [stderr]    Compiling branch-and-bound v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "d02b6939db985d6b05b77a57c74ac3339cff37c8ff8b3c2e67f0283e1466d48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02b6939db985d6b05b77a57c74ac3339cff37c8ff8b3c2e67f0283e1466d48f", kill_on_drop: false }`
[INFO] [stdout] d02b6939db985d6b05b77a57c74ac3339cff37c8ff8b3c2e67f0283e1466d48f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3d1195cb42df9dbb6f532a14a790f99c0bab599e79161eb080d075361dd0bb3
[INFO] running `Command { std: "docker" "start" "-a" "a3d1195cb42df9dbb6f532a14a790f99c0bab599e79161eb080d075361dd0bb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling branch-and-bound v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "a3d1195cb42df9dbb6f532a14a790f99c0bab599e79161eb080d075361dd0bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d1195cb42df9dbb6f532a14a790f99c0bab599e79161eb080d075361dd0bb3", kill_on_drop: false }`
[INFO] [stdout] a3d1195cb42df9dbb6f532a14a790f99c0bab599e79161eb080d075361dd0bb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5fcc1f7b140c0ad59e45582908ef3f6bf3931e0f7a308e293b4bc3846aed9b5
[INFO] running `Command { std: "docker" "start" "-a" "b5fcc1f7b140c0ad59e45582908ef3f6bf3931e0f7a308e293b4bc3846aed9b5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/branch_and_bound-9c0a051b7681dcdf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests branch_and_bound
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5fcc1f7b140c0ad59e45582908ef3f6bf3931e0f7a308e293b4bc3846aed9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5fcc1f7b140c0ad59e45582908ef3f6bf3931e0f7a308e293b4bc3846aed9b5", kill_on_drop: false }`
[INFO] [stdout] b5fcc1f7b140c0ad59e45582908ef3f6bf3931e0f7a308e293b4bc3846aed9b5