[INFO] fetching crate better_option_result 0.4.1...
[INFO] testing better_option_result-0.4.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate better_option_result 0.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate better_option_result 0.4.1
[INFO] finished tweaking crates.io crate better_option_result 0.4.1
[INFO] tweaked toml for crates.io crate better_option_result 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate better_option_result 0.4.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate better_option_result 0.4.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d01d50ecf3315a2e55888d30c696fe1b24398d80ebae08064bb8a1ff11cadbf
[INFO] running `Command { std: "docker" "start" "-a" "8d01d50ecf3315a2e55888d30c696fe1b24398d80ebae08064bb8a1ff11cadbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d01d50ecf3315a2e55888d30c696fe1b24398d80ebae08064bb8a1ff11cadbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d01d50ecf3315a2e55888d30c696fe1b24398d80ebae08064bb8a1ff11cadbf", kill_on_drop: false }`
[INFO] [stdout] 8d01d50ecf3315a2e55888d30c696fe1b24398d80ebae08064bb8a1ff11cadbf
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfe45c8d6dc9dc97fbc47d032ed1417b07a8d43c98b7a32d373a618587d9c46f
[INFO] running `Command { std: "docker" "start" "-a" "bfe45c8d6dc9dc97fbc47d032ed1417b07a8d43c98b7a32d373a618587d9c46f", kill_on_drop: false }`
[INFO] [stderr]    Compiling better_option_result v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "bfe45c8d6dc9dc97fbc47d032ed1417b07a8d43c98b7a32d373a618587d9c46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe45c8d6dc9dc97fbc47d032ed1417b07a8d43c98b7a32d373a618587d9c46f", kill_on_drop: false }`
[INFO] [stdout] bfe45c8d6dc9dc97fbc47d032ed1417b07a8d43c98b7a32d373a618587d9c46f
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21b5370d24765f669ddd1e73d748be000421337fbc668117c49fb3dd7d0444a6
[INFO] running `Command { std: "docker" "start" "-a" "21b5370d24765f669ddd1e73d748be000421337fbc668117c49fb3dd7d0444a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling better_option_result v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "21b5370d24765f669ddd1e73d748be000421337fbc668117c49fb3dd7d0444a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b5370d24765f669ddd1e73d748be000421337fbc668117c49fb3dd7d0444a6", kill_on_drop: false }`
[INFO] [stdout] 21b5370d24765f669ddd1e73d748be000421337fbc668117c49fb3dd7d0444a6
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd905713e35334cad718c91102ef6ea478fb44f82fb8158ded4eb5df3ae16691
[INFO] running `Command { std: "docker" "start" "-a" "cd905713e35334cad718c91102ef6ea478fb44f82fb8158ded4eb5df3ae16691", 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/better_option_result-54eedf51f75b8a91)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests better_option_result
[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] [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" "cd905713e35334cad718c91102ef6ea478fb44f82fb8158ded4eb5df3ae16691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd905713e35334cad718c91102ef6ea478fb44f82fb8158ded4eb5df3ae16691", kill_on_drop: false }`
[INFO] [stdout] cd905713e35334cad718c91102ef6ea478fb44f82fb8158ded4eb5df3ae16691