[INFO] fetching crate mcai-backend 0.0.1...
[INFO] testing mcai-backend-0.0.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mcai-backend 0.0.1 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate mcai-backend 0.0.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcai-backend 0.0.1
[INFO] finished tweaking crates.io crate mcai-backend 0.0.1
[INFO] tweaked toml for crates.io crate mcai-backend 0.0.1 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate mcai-backend 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1007d2e5eb647759916521efbc25aef3df843b5e9b1b0b9d8fad1a5b1e62cb7
[INFO] running `Command { std: "docker" "start" "-a" "d1007d2e5eb647759916521efbc25aef3df843b5e9b1b0b9d8fad1a5b1e62cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1007d2e5eb647759916521efbc25aef3df843b5e9b1b0b9d8fad1a5b1e62cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1007d2e5eb647759916521efbc25aef3df843b5e9b1b0b9d8fad1a5b1e62cb7", kill_on_drop: false }`
[INFO] [stdout] d1007d2e5eb647759916521efbc25aef3df843b5e9b1b0b9d8fad1a5b1e62cb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb2f1df5e13ae7417d1a99939c50d5e8abaa9a4159091940dfc041e2404b0a40
[INFO] running `Command { std: "docker" "start" "-a" "eb2f1df5e13ae7417d1a99939c50d5e8abaa9a4159091940dfc041e2404b0a40", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling term-table v1.3.1
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling h2 v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling hyper v0.14.7
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling reqwest v0.11.3
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]    Compiling built v0.4.4
[INFO] [stderr]    Compiling mcai-backend v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.44s
[INFO] running `Command { std: "docker" "inspect" "eb2f1df5e13ae7417d1a99939c50d5e8abaa9a4159091940dfc041e2404b0a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2f1df5e13ae7417d1a99939c50d5e8abaa9a4159091940dfc041e2404b0a40", kill_on_drop: false }`
[INFO] [stdout] eb2f1df5e13ae7417d1a99939c50d5e8abaa9a4159091940dfc041e2404b0a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d2f779b5af7bf8899b6bd7af69b348fb99a289e5a65649f682c8588cb8b7b00
[INFO] running `Command { std: "docker" "start" "-a" "6d2f779b5af7bf8899b6bd7af69b348fb99a289e5a65649f682c8588cb8b7b00", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcai-backend v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "6d2f779b5af7bf8899b6bd7af69b348fb99a289e5a65649f682c8588cb8b7b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2f779b5af7bf8899b6bd7af69b348fb99a289e5a65649f682c8588cb8b7b00", kill_on_drop: false }`
[INFO] [stdout] 6d2f779b5af7bf8899b6bd7af69b348fb99a289e5a65649f682c8588cb8b7b00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8615b38ef701d2ef5a35bdc2cd45832247d5304cbd330bacac927b78967c9e7
[INFO] running `Command { std: "docker" "start" "-a" "e8615b38ef701d2ef5a35bdc2cd45832247d5304cbd330bacac927b78967c9e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcai_backend-b2fa1f409d3cee90)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcai_backend-c5af07d34cb81667)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcai-backend
[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" "e8615b38ef701d2ef5a35bdc2cd45832247d5304cbd330bacac927b78967c9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8615b38ef701d2ef5a35bdc2cd45832247d5304cbd330bacac927b78967c9e7", kill_on_drop: false }`
[INFO] [stdout] e8615b38ef701d2ef5a35bdc2cd45832247d5304cbd330bacac927b78967c9e7