[INFO] fetching crate putbackpeekmore 0.1.1...
[INFO] testing putbackpeekmore-0.1.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate putbackpeekmore 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate putbackpeekmore 0.1.1
[INFO] finished tweaking crates.io crate putbackpeekmore 0.1.1
[INFO] tweaked toml for crates.io crate putbackpeekmore 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate putbackpeekmore 0.1.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate putbackpeekmore 0.1.1 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe551171232b14d86ffd7be04b7194b6295674b7b51746a7372867048926d409
[INFO] running `Command { std: "docker" "start" "-a" "fe551171232b14d86ffd7be04b7194b6295674b7b51746a7372867048926d409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe551171232b14d86ffd7be04b7194b6295674b7b51746a7372867048926d409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe551171232b14d86ffd7be04b7194b6295674b7b51746a7372867048926d409", kill_on_drop: false }`
[INFO] [stdout] fe551171232b14d86ffd7be04b7194b6295674b7b51746a7372867048926d409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c7ca3dcdb99a5cfd905d5fa19df84f0624027272f75820ff7f34aaa81f6066e
[INFO] running `Command { std: "docker" "start" "-a" "6c7ca3dcdb99a5cfd905d5fa19df84f0624027272f75820ff7f34aaa81f6066e", kill_on_drop: false }`
[INFO] [stderr]    Compiling putbackpeekmore v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "6c7ca3dcdb99a5cfd905d5fa19df84f0624027272f75820ff7f34aaa81f6066e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7ca3dcdb99a5cfd905d5fa19df84f0624027272f75820ff7f34aaa81f6066e", kill_on_drop: false }`
[INFO] [stdout] 6c7ca3dcdb99a5cfd905d5fa19df84f0624027272f75820ff7f34aaa81f6066e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 751d796d95ed2cecfac077dd632d52c7c91b9a4217cb1f694dbaef668071f2c9
[INFO] running `Command { std: "docker" "start" "-a" "751d796d95ed2cecfac077dd632d52c7c91b9a4217cb1f694dbaef668071f2c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling putbackpeekmore v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "751d796d95ed2cecfac077dd632d52c7c91b9a4217cb1f694dbaef668071f2c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751d796d95ed2cecfac077dd632d52c7c91b9a4217cb1f694dbaef668071f2c9", kill_on_drop: false }`
[INFO] [stdout] 751d796d95ed2cecfac077dd632d52c7c91b9a4217cb1f694dbaef668071f2c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5db29096a9406829836889ccff7949ee3942fbb8cf9a6a5dd016f5bdc9a1472a
[INFO] running `Command { std: "docker" "start" "-a" "5db29096a9406829836889ccff7949ee3942fbb8cf9a6a5dd016f5bdc9a1472a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/putbackpeekmore-4cbe3b703146fc4e)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::peek_value_small ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] test tests::test_peek_value ... ok
[INFO] [stdout] test tests::test_put_back ... ok
[INFO] [stdout] test tests::test_peek_multiple_calls ... ok
[INFO] [stderr]    Doc-tests putbackpeekmore
[INFO] [stdout] test tests::test_next ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "5db29096a9406829836889ccff7949ee3942fbb8cf9a6a5dd016f5bdc9a1472a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db29096a9406829836889ccff7949ee3942fbb8cf9a6a5dd016f5bdc9a1472a", kill_on_drop: false }`
[INFO] [stdout] 5db29096a9406829836889ccff7949ee3942fbb8cf9a6a5dd016f5bdc9a1472a