[INFO] fetching crate nu_plugin_post 0.20.0...
[INFO] checking nu_plugin_post-0.20.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate nu_plugin_post 0.20.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate nu_plugin_post 0.20.0 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 nu_plugin_post 0.20.0
[INFO] finished tweaking crates.io crate nu_plugin_post 0.20.0
[INFO] tweaked toml for crates.io crate nu_plugin_post 0.20.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_post 0.20.0 already has a lockfile, it will not be regenerated
[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 futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded sluice v0.4.2
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]   Downloaded isahc v0.7.6
[INFO] [stderr]   Downloaded surf v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b257412b0ceff16bcb4e77a6e5d8587f289edc5e01fb79e355554291d0fe7c74
[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" "b257412b0ceff16bcb4e77a6e5d8587f289edc5e01fb79e355554291d0fe7c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b257412b0ceff16bcb4e77a6e5d8587f289edc5e01fb79e355554291d0fe7c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b257412b0ceff16bcb4e77a6e5d8587f289edc5e01fb79e355554291d0fe7c74", kill_on_drop: false }`
[INFO] [stdout] b257412b0ceff16bcb4e77a6e5d8587f289edc5e01fb79e355554291d0fe7c74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 0171d6f3350a4fba244b7857d51ae60a15158a356390fa552b6801a14b9a820f
[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" "0171d6f3350a4fba244b7857d51ae60a15158a356390fa552b6801a14b9a820f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking linked-hash-map v0.5.3
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
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[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
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[INFO] [stderr]     Checking byte-unit v4.0.9
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[INFO] [stderr]     Checking crossbeam-utils v0.6.6
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
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[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
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[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking nu-source v0.20.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
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[INFO] [stderr]     Checking bigdecimal v0.2.0
[INFO] [stderr]     Checking natural v0.5.0
[INFO] [stderr]     Checking nu-errors v0.20.0
[INFO] [stderr]     Checking nu-protocol v0.20.0
[INFO] [stderr]     Checking nu-value-ext v0.20.0
[INFO] [stderr]     Checking nu-plugin v0.20.0
[INFO] [stderr]     Checking nu_plugin_post v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "0171d6f3350a4fba244b7857d51ae60a15158a356390fa552b6801a14b9a820f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0171d6f3350a4fba244b7857d51ae60a15158a356390fa552b6801a14b9a820f", kill_on_drop: false }`
[INFO] [stdout] 0171d6f3350a4fba244b7857d51ae60a15158a356390fa552b6801a14b9a820f