[INFO] fetching crate map_err 0.1.0...
[INFO] testing map_err-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate map_err 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate map_err 0.1.0
[INFO] finished tweaking crates.io crate map_err 0.1.0
[INFO] tweaked toml for crates.io crate map_err 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate map_err 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f880eaccb8dfb3a2a986f512124796ace87b2d535dd0f9d0db1347a176b8c55
[INFO] running `Command { std: "docker" "start" "-a" "0f880eaccb8dfb3a2a986f512124796ace87b2d535dd0f9d0db1347a176b8c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f880eaccb8dfb3a2a986f512124796ace87b2d535dd0f9d0db1347a176b8c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f880eaccb8dfb3a2a986f512124796ace87b2d535dd0f9d0db1347a176b8c55", kill_on_drop: false }`
[INFO] [stdout] 0f880eaccb8dfb3a2a986f512124796ace87b2d535dd0f9d0db1347a176b8c55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5fd04cf23c628efa50f0dbaa9e25e922cf7e111952a0e1cc2e1a74a4557ca41
[INFO] running `Command { std: "docker" "start" "-a" "b5fd04cf23c628efa50f0dbaa9e25e922cf7e111952a0e1cc2e1a74a4557ca41", kill_on_drop: false }`
[INFO] [stderr]    Compiling map_err v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "b5fd04cf23c628efa50f0dbaa9e25e922cf7e111952a0e1cc2e1a74a4557ca41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5fd04cf23c628efa50f0dbaa9e25e922cf7e111952a0e1cc2e1a74a4557ca41", kill_on_drop: false }`
[INFO] [stdout] b5fd04cf23c628efa50f0dbaa9e25e922cf7e111952a0e1cc2e1a74a4557ca41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91297efff5475c5967fa6183821a90db52e21f0c18ca99b08e8a626596174200
[INFO] running `Command { std: "docker" "start" "-a" "91297efff5475c5967fa6183821a90db52e21f0c18ca99b08e8a626596174200", kill_on_drop: false }`
[INFO] [stderr]    Compiling map_err v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "91297efff5475c5967fa6183821a90db52e21f0c18ca99b08e8a626596174200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91297efff5475c5967fa6183821a90db52e21f0c18ca99b08e8a626596174200", kill_on_drop: false }`
[INFO] [stdout] 91297efff5475c5967fa6183821a90db52e21f0c18ca99b08e8a626596174200
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e225b25697a6190137ca2a7adf084150a40ed968b8cf34ffdb6d5e4a2fab04c9
[INFO] running `Command { std: "docker" "start" "-a" "e225b25697a6190137ca2a7adf084150a40ed968b8cf34ffdb6d5e4a2fab04c9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/map_err-4733c1d1986c8e72)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests map_err
[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] [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" "e225b25697a6190137ca2a7adf084150a40ed968b8cf34ffdb6d5e4a2fab04c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e225b25697a6190137ca2a7adf084150a40ed968b8cf34ffdb6d5e4a2fab04c9", kill_on_drop: false }`
[INFO] [stdout] e225b25697a6190137ca2a7adf084150a40ed968b8cf34ffdb6d5e4a2fab04c9