[INFO] fetching crate nest-guard 0.1.0...
[INFO] testing nest-guard-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate nest-guard 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nest-guard 0.1.0
[INFO] finished tweaking crates.io crate nest-guard 0.1.0
[INFO] tweaked toml for crates.io crate nest-guard 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nest-guard 0.1.0 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 nest-guard 0.1.0 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] 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] 95819d4fdf8e969aac66f21beceb4f7f26a062ea63f2deb217baab31a729bd6c
[INFO] running `Command { std: "docker" "start" "-a" "95819d4fdf8e969aac66f21beceb4f7f26a062ea63f2deb217baab31a729bd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95819d4fdf8e969aac66f21beceb4f7f26a062ea63f2deb217baab31a729bd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95819d4fdf8e969aac66f21beceb4f7f26a062ea63f2deb217baab31a729bd6c", kill_on_drop: false }`
[INFO] [stdout] 95819d4fdf8e969aac66f21beceb4f7f26a062ea63f2deb217baab31a729bd6c
[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] 6a2285fbeebe54d47481a60ee5108076febc16280cc700a96984619c57690c5b
[INFO] running `Command { std: "docker" "start" "-a" "6a2285fbeebe54d47481a60ee5108076febc16280cc700a96984619c57690c5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling nest-guard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "6a2285fbeebe54d47481a60ee5108076febc16280cc700a96984619c57690c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2285fbeebe54d47481a60ee5108076febc16280cc700a96984619c57690c5b", kill_on_drop: false }`
[INFO] [stdout] 6a2285fbeebe54d47481a60ee5108076febc16280cc700a96984619c57690c5b
[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] 972dba86074c601c9f08d29c0c36936e8e822c45a9665784ef74db9d68b5b803
[INFO] running `Command { std: "docker" "start" "-a" "972dba86074c601c9f08d29c0c36936e8e822c45a9665784ef74db9d68b5b803", kill_on_drop: false }`
[INFO] [stderr]    Compiling nest-guard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "972dba86074c601c9f08d29c0c36936e8e822c45a9665784ef74db9d68b5b803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972dba86074c601c9f08d29c0c36936e8e822c45a9665784ef74db9d68b5b803", kill_on_drop: false }`
[INFO] [stdout] 972dba86074c601c9f08d29c0c36936e8e822c45a9665784ef74db9d68b5b803
[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] e702f827d283af08319514473f614c23d1c0ea1b8bd200c59b3b9ac51183321e
[INFO] running `Command { std: "docker" "start" "-a" "e702f827d283af08319514473f614c23d1c0ea1b8bd200c59b3b9ac51183321e", 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/nest_guard-beaab7f111f7eb9a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nest_guard
[INFO] [stdout] running 7 tests
[INFO] [stdout] test cell::test::test_many_refcell ... ok
[INFO] [stdout] test sync::test::test_many_arc ... ok
[INFO] [stdout] test sync::test::test_many_mutex ... ok
[INFO] [stdout] test test::test_rc_refcell ... ok
[INFO] [stdout] test rc::test::test_many_rc ... ok
[INFO] [stdout] test sync::test::test_many_rwlock ... ok
[INFO] [stdout] test test::test_reassign_refcell_stack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "e702f827d283af08319514473f614c23d1c0ea1b8bd200c59b3b9ac51183321e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e702f827d283af08319514473f614c23d1c0ea1b8bd200c59b3b9ac51183321e", kill_on_drop: false }`
[INFO] [stdout] e702f827d283af08319514473f614c23d1c0ea1b8bd200c59b3b9ac51183321e