[INFO] fetching crate vartyint 0.3.0...
[INFO] testing vartyint-0.3.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate vartyint 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate vartyint 0.3.0
[INFO] finished tweaking crates.io crate vartyint 0.3.0
[INFO] tweaked toml for crates.io crate vartyint 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vartyint 0.3.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6ec3fa61c3324a8910d7d08a0eb8927470bec495bc120b9622886c2722377ee
[INFO] running `Command { std: "docker" "start" "-a" "a6ec3fa61c3324a8910d7d08a0eb8927470bec495bc120b9622886c2722377ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6ec3fa61c3324a8910d7d08a0eb8927470bec495bc120b9622886c2722377ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ec3fa61c3324a8910d7d08a0eb8927470bec495bc120b9622886c2722377ee", kill_on_drop: false }`
[INFO] [stdout] a6ec3fa61c3324a8910d7d08a0eb8927470bec495bc120b9622886c2722377ee
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbf7a8fa0b9439406f11c049eacbf1341da1bb480b9b95b470ff08a97b466a29
[INFO] running `Command { std: "docker" "start" "-a" "bbf7a8fa0b9439406f11c049eacbf1341da1bb480b9b95b470ff08a97b466a29", kill_on_drop: false }`
[INFO] [stderr]    Compiling vartyint v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ReadVarInt` is never used
[INFO] [stdout]    --> src/lib.rs:244:7
[INFO] [stdout]     |
[INFO] [stdout] 244 | trait ReadVarInt {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bbf7a8fa0b9439406f11c049eacbf1341da1bb480b9b95b470ff08a97b466a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf7a8fa0b9439406f11c049eacbf1341da1bb480b9b95b470ff08a97b466a29", kill_on_drop: false }`
[INFO] [stdout] bbf7a8fa0b9439406f11c049eacbf1341da1bb480b9b95b470ff08a97b466a29
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da24838c5bd8315a2fc235c3242b841b59920957f6b35b9b6f5a0469b8ec80e8
[INFO] running `Command { std: "docker" "start" "-a" "da24838c5bd8315a2fc235c3242b841b59920957f6b35b9b6f5a0469b8ec80e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling vartyint v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ReadVarInt` is never used
[INFO] [stdout]    --> src/lib.rs:244:7
[INFO] [stdout]     |
[INFO] [stdout] 244 | trait ReadVarInt {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadVarInt` is never used
[INFO] [stdout]    --> src/lib.rs:244:7
[INFO] [stdout]     |
[INFO] [stdout] 244 | trait ReadVarInt {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "da24838c5bd8315a2fc235c3242b841b59920957f6b35b9b6f5a0469b8ec80e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da24838c5bd8315a2fc235c3242b841b59920957f6b35b9b6f5a0469b8ec80e8", kill_on_drop: false }`
[INFO] [stdout] da24838c5bd8315a2fc235c3242b841b59920957f6b35b9b6f5a0469b8ec80e8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e68da5cf053959e41b2a7802db7d815e6df022dd241164f7606c6b2b609ac9dc
[INFO] running `Command { std: "docker" "start" "-a" "e68da5cf053959e41b2a7802db7d815e6df022dd241164f7606c6b2b609ac9dc", kill_on_drop: false }`
[INFO] [stderr] warning: trait `ReadVarInt` is never used
[INFO] [stderr]    --> src/lib.rs:244:7
[INFO] [stderr]     |
[INFO] [stderr] 244 | trait ReadVarInt {
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vartyint` (lib) generated 1 warning
[INFO] [stderr] warning: `vartyint` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vartyint-c22799666b1f92c1)
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stdout] test tests::delta_enc::read1 ... ok
[INFO] [stdout] test tests::bad1 ... ok
[INFO] [stdout] test tests::bad2 ... ok
[INFO] [stdout] test tests::delta_enc::read3 ... ok
[INFO] [stdout] test tests::delta_enc::read_empty ... ok
[INFO] [stdout] test tests::delta_enc::write2 ... ok
[INFO] [stdout] test tests::delta_enc::write6 ... ok
[INFO] [stdout] test tests::delta_enc::write5 ... ok
[INFO] [stdout] test tests::delta_enc::write_single ... ok
[INFO] [stdout] test tests::delta_enc::read2 ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::read10 ... ok
[INFO] [stdout] test tests::read11 ... ok
[INFO] [stdout] test tests::delta_enc::write3 ... ok
[INFO] [stdout] test tests::delta_enc::write4 ... ok
[INFO] [stdout] test tests::delta_enc::write_empty ... ok
[INFO] [stdout] test tests::read14 ... ok
[INFO] [stdout] test tests::read17 ... ok
[INFO] [stdout] test tests::read3 ... ok
[INFO] [stdout] test tests::read15 ... ok
[INFO] [stdout] test tests::read12 ... ok
[INFO] [stdout] test tests::read16 ... ok
[INFO] [stdout] test tests::read13 ... ok
[INFO] [stdout] test tests::read2 ... ok
[INFO] [stdout] test tests::read4 ... ok
[INFO] [stdout] test tests::read5 ... ok
[INFO] [stdout] test tests::read6 ... ok
[INFO] [stdout] test tests::read9 ... ok
[INFO] [stdout] test tests::siberia_boatable ... ok
[INFO] [stdout] test tests::vecs1 ... ok
[INFO] [stdout] test tests::write10 ... ok
[INFO] [stdout] test tests::read7 ... ok
[INFO] [stdout] test tests::write12 ... ok
[INFO] [stdout] test tests::traits1 ... ok
[INFO] [stdout] test tests::varint_idempotent1 ... ok
[INFO] [stdout] test tests::write15 ... ok
[INFO] [stdout] test tests::write11 ... ok
[INFO] [stdout] test tests::write13 ... ok
[INFO] [stdout] test tests::write14 ... ok
[INFO] [stdout] test tests::write16 ... ok
[INFO] [stderr]    Doc-tests vartyint
[INFO] [stdout] test tests::write17 ... ok
[INFO] [stdout] test tests::write2 ... ok
[INFO] [stdout] test tests::write18 ... ok
[INFO] [stdout] test tests::write19 ... ok
[INFO] [stdout] test tests::write23 ... ok
[INFO] [stdout] test tests::write24 ... ok
[INFO] [stdout] test tests::write20 ... ok
[INFO] [stdout] test tests::write22 ... ok
[INFO] [stdout] test tests::write21 ... ok
[INFO] [stdout] test tests::write25 ... ok
[INFO] [stdout] test tests::write4 ... ok
[INFO] [stdout] test tests::write3 ... ok
[INFO] [stdout] test tests::write5 ... ok
[INFO] [stdout] test tests::write7 ... ok
[INFO] [stdout] test tests::write6 ... ok
[INFO] [stdout] test tests::write9 ... ok
[INFO] [stdout] test tests::write8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e68da5cf053959e41b2a7802db7d815e6df022dd241164f7606c6b2b609ac9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68da5cf053959e41b2a7802db7d815e6df022dd241164f7606c6b2b609ac9dc", kill_on_drop: false }`
[INFO] [stdout] e68da5cf053959e41b2a7802db7d815e6df022dd241164f7606c6b2b609ac9dc