[INFO] fetching crate issue 0.1.4...
[INFO] checking issue-0.1.4 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate issue 0.1.4 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate issue 0.1.4 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate issue 0.1.4
[INFO] finished tweaking crates.io crate issue 0.1.4
[INFO] tweaked toml for crates.io crate issue 0.1.4 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded issue-macros v0.1.4
[INFO] [stderr]   Downloaded cargo-issue-lib v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4ba95e12fc9172d7203de515a8984604c1c50604d0bb1d426e191f10cfe80e1
[INFO] running `Command { std: "docker" "start" "-a" "a4ba95e12fc9172d7203de515a8984604c1c50604d0bb1d426e191f10cfe80e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4ba95e12fc9172d7203de515a8984604c1c50604d0bb1d426e191f10cfe80e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ba95e12fc9172d7203de515a8984604c1c50604d0bb1d426e191f10cfe80e1", kill_on_drop: false }`
[INFO] [stdout] a4ba95e12fc9172d7203de515a8984604c1c50604d0bb1d426e191f10cfe80e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b00102d44b3b992de95ccd2d4b4803f3edac6818147d45adcd21cf83541713d4
[INFO] running `Command { std: "docker" "start" "-a" "b00102d44b3b992de95ccd2d4b4803f3edac6818147d45adcd21cf83541713d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[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]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]     Checking h2 v0.3.4
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking cargo-issue-lib v0.1.4
[INFO] [stderr]    Compiling issue-macros v0.1.4
[INFO] [stderr]     Checking issue v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.27s
[INFO] running `Command { std: "docker" "inspect" "b00102d44b3b992de95ccd2d4b4803f3edac6818147d45adcd21cf83541713d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00102d44b3b992de95ccd2d4b4803f3edac6818147d45adcd21cf83541713d4", kill_on_drop: false }`
[INFO] [stdout] b00102d44b3b992de95ccd2d4b4803f3edac6818147d45adcd21cf83541713d4