[INFO] fetching crate rust-releases 0.15.4...
[INFO] checking rust-releases-0.15.4 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate rust-releases 0.15.4 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rust-releases 0.15.4 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-releases 0.15.4
[INFO] finished tweaking crates.io crate rust-releases 0.15.4
[INFO] tweaked toml for crates.io crate rust-releases 0.15.4 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-releases-rust-dist-with-cli v0.15.1
[INFO] [stderr]   Downloaded rust-releases-rust-changelog v0.15.1
[INFO] [stderr]   Downloaded rust-releases-rust-dist v0.15.1
[INFO] [stderr]   Downloaded rust-releases-channel-manifests v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c4487e84fb103ce6077ea8ccaf346ddc9be41a8fc3f04001461a9f1f4533e57
[INFO] running `Command { std: "docker" "start" "-a" "1c4487e84fb103ce6077ea8ccaf346ddc9be41a8fc3f04001461a9f1f4533e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c4487e84fb103ce6077ea8ccaf346ddc9be41a8fc3f04001461a9f1f4533e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4487e84fb103ce6077ea8ccaf346ddc9be41a8fc3f04001461a9f1f4533e57", kill_on_drop: false }`
[INFO] [stdout] 1c4487e84fb103ce6077ea8ccaf346ddc9be41a8fc3f04001461a9f1f4533e57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 530ec0781ef7d941754e47bcdeb02e0f101af5288fbf19897b7f390fc8bd42c6
[INFO] running `Command { std: "docker" "start" "-a" "530ec0781ef7d941754e47bcdeb02e0f101af5288fbf19897b7f390fc8bd42c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking wildmatch v1.1.0
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling rusoto_core v0.46.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking attohttpc v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling yare-macro v1.0.1
[INFO] [stderr]     Checking yare v1.0.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking rust-releases-core v0.15.1
[INFO] [stderr]     Checking rust-releases-io v0.15.1
[INFO] [stderr]     Checking rust-releases-rust-changelog v0.15.1
[INFO] [stderr]     Checking rust-releases-rust-dist-with-cli v0.15.1
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking hyper v0.14.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking rusoto_credential v0.46.0
[INFO] [stderr]     Checking rust-releases-channel-manifests v0.15.1
[INFO] [stderr]     Checking rusoto_signature v0.46.0
[INFO] [stderr]     Checking rusoto_s3 v0.46.0
[INFO] [stderr]     Checking rust-releases-rust-dist v0.15.1
[INFO] [stderr]     Checking rust-releases v0.15.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.51s
[INFO] running `Command { std: "docker" "inspect" "530ec0781ef7d941754e47bcdeb02e0f101af5288fbf19897b7f390fc8bd42c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530ec0781ef7d941754e47bcdeb02e0f101af5288fbf19897b7f390fc8bd42c6", kill_on_drop: false }`
[INFO] [stdout] 530ec0781ef7d941754e47bcdeb02e0f101af5288fbf19897b7f390fc8bd42c6