[INFO] fetching crate rstb 0.2.2...
[INFO] checking rstb-0.2.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate rstb 0.2.2 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate rstb 0.2.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rstb 0.2.2
[INFO] finished tweaking crates.io crate rstb 0.2.2
[INFO] tweaked toml for crates.io crate rstb 0.2.2 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cd6fa7ba85b12650551cc0112ee2b1eebd8cd430d9b449de07df781cf696cae
[INFO] running `Command { std: "docker" "start" "-a" "7cd6fa7ba85b12650551cc0112ee2b1eebd8cd430d9b449de07df781cf696cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cd6fa7ba85b12650551cc0112ee2b1eebd8cd430d9b449de07df781cf696cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd6fa7ba85b12650551cc0112ee2b1eebd8cd430d9b449de07df781cf696cae", kill_on_drop: false }`
[INFO] [stdout] 7cd6fa7ba85b12650551cc0112ee2b1eebd8cd430d9b449de07df781cf696cae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8cac9ee9a0892f49c8aa15312eaf1432779819cb2e34d30da6b710c3d231b8e
[INFO] running `Command { std: "docker" "start" "-a" "c8cac9ee9a0892f49c8aa15312eaf1432779819cb2e34d30da6b710c3d231b8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking parse_int v0.5.0
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling binread_derive v2.0.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking binwrite v0.2.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling cached_proc_macro v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking binread v2.1.1
[INFO] [stderr]     Checking yaz0 v0.3.0
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking cached v0.23.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking rstb v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.41s
[INFO] running `Command { std: "docker" "inspect" "c8cac9ee9a0892f49c8aa15312eaf1432779819cb2e34d30da6b710c3d231b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8cac9ee9a0892f49c8aa15312eaf1432779819cb2e34d30da6b710c3d231b8e", kill_on_drop: false }`
[INFO] [stdout] c8cac9ee9a0892f49c8aa15312eaf1432779819cb2e34d30da6b710c3d231b8e