[INFO] fetching crate rstb 0.1.2...
[INFO] checking rstb-0.1.2 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate rstb 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rstb 0.1.2 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rstb 0.1.2
[INFO] finished tweaking crates.io crate rstb 0.1.2
[INFO] tweaked toml for crates.io crate rstb 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binread_derive v1.1.1
[INFO] [stderr]   Downloaded cached_proc_macro v0.1.2
[INFO] [stderr]   Downloaded paste-impl v0.1.18
[INFO] [stderr]   Downloaded paste v0.1.18
[INFO] [stderr]   Downloaded binread v1.1.1
[INFO] [stderr]   Downloaded cached v0.13.1
[INFO] [stderr]   Downloaded parse_int v0.4.0
[INFO] [stderr]   Downloaded binwrite v0.2.1
[INFO] [stderr]   Downloaded binwrite_derive v0.2.1
[INFO] [stderr]   Downloaded yaz0 v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4106418a0a753557b3260fcfaef4d38e686284ca1be48672349feb085d3298ee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4106418a0a753557b3260fcfaef4d38e686284ca1be48672349feb085d3298ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4106418a0a753557b3260fcfaef4d38e686284ca1be48672349feb085d3298ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4106418a0a753557b3260fcfaef4d38e686284ca1be48672349feb085d3298ee", kill_on_drop: false }`
[INFO] [stdout] 4106418a0a753557b3260fcfaef4d38e686284ca1be48672349feb085d3298ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a412372323874b95e2b815540f353e2b525ad7c032cb594486e12f11e037de0a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a412372323874b95e2b815540f353e2b525ad7c032cb594486e12f11e037de0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling fastrand v1.3.5
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.10
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling async-task v4.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking futures-lite v1.8.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking nb-connect v1.0.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking yaz0 v0.1.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.6
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking async-global-executor v1.3.0
[INFO] [stderr]     Checking parse_int v0.4.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling binread_derive v1.1.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling async-std v1.6.5
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking binwrite v0.2.1
[INFO] [stderr]     Checking binread v1.1.1
[INFO] [stderr]    Compiling cached_proc_macro v0.1.2
[INFO] [stderr]     Checking cached v0.13.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking rstb v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "a412372323874b95e2b815540f353e2b525ad7c032cb594486e12f11e037de0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a412372323874b95e2b815540f353e2b525ad7c032cb594486e12f11e037de0a", kill_on_drop: false }`
[INFO] [stdout] a412372323874b95e2b815540f353e2b525ad7c032cb594486e12f11e037de0a