[INFO] fetching crate stringerror 0.1.2...
[INFO] testing stringerror-0.1.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate stringerror 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate stringerror 0.1.2
[INFO] finished tweaking crates.io crate stringerror 0.1.2
[INFO] tweaked toml for crates.io crate stringerror 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stringerror 0.1.2 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83e7ca9b2acef8698fcef9d7860cd6a82b9116c49a84e2378a81a8d7bdf7e560
[INFO] running `Command { std: "docker" "start" "-a" "83e7ca9b2acef8698fcef9d7860cd6a82b9116c49a84e2378a81a8d7bdf7e560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83e7ca9b2acef8698fcef9d7860cd6a82b9116c49a84e2378a81a8d7bdf7e560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e7ca9b2acef8698fcef9d7860cd6a82b9116c49a84e2378a81a8d7bdf7e560", kill_on_drop: false }`
[INFO] [stdout] 83e7ca9b2acef8698fcef9d7860cd6a82b9116c49a84e2378a81a8d7bdf7e560
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b991c044e7c7341e4e6dbbd12e6903299129903886f607f115a57dea92da6fd
[INFO] running `Command { std: "docker" "start" "-a" "9b991c044e7c7341e4e6dbbd12e6903299129903886f607f115a57dea92da6fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringerror v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "9b991c044e7c7341e4e6dbbd12e6903299129903886f607f115a57dea92da6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b991c044e7c7341e4e6dbbd12e6903299129903886f607f115a57dea92da6fd", kill_on_drop: false }`
[INFO] [stdout] 9b991c044e7c7341e4e6dbbd12e6903299129903886f607f115a57dea92da6fd
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce77a6fc15e09ded11a7ea457642331814a669327749c4bed48d322a38fbf7d5
[INFO] running `Command { std: "docker" "start" "-a" "ce77a6fc15e09ded11a7ea457642331814a669327749c4bed48d322a38fbf7d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringerror v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "ce77a6fc15e09ded11a7ea457642331814a669327749c4bed48d322a38fbf7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce77a6fc15e09ded11a7ea457642331814a669327749c4bed48d322a38fbf7d5", kill_on_drop: false }`
[INFO] [stdout] ce77a6fc15e09ded11a7ea457642331814a669327749c4bed48d322a38fbf7d5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb43d7dc4e833768e3ad26017effa613321a81d157450c2cc3bbefca44d4bf29
[INFO] running `Command { std: "docker" "start" "-a" "fb43d7dc4e833768e3ad26017effa613321a81d157450c2cc3bbefca44d4bf29", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stringerror-9724c64e4428cf0a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::error_from_str ... ok
[INFO] [stderr]    Doc-tests stringerror
[INFO] [stdout] test tests::add_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "fb43d7dc4e833768e3ad26017effa613321a81d157450c2cc3bbefca44d4bf29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb43d7dc4e833768e3ad26017effa613321a81d157450c2cc3bbefca44d4bf29", kill_on_drop: false }`
[INFO] [stdout] fb43d7dc4e833768e3ad26017effa613321a81d157450c2cc3bbefca44d4bf29