[INFO] fetching crate llvmenv 0.3.2...
[INFO] checking llvmenv-0.3.2 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate llvmenv 0.3.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate llvmenv 0.3.2
[INFO] finished tweaking crates.io crate llvmenv 0.3.2
[INFO] tweaked toml for crates.io crate llvmenv 0.3.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate llvmenv 0.3.2 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate llvmenv 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fca6be72afb8f49a4f62846e3834db4935168b01983a8abfcaa232486f21afa
[INFO] running `Command { std: "docker" "start" "-a" "5fca6be72afb8f49a4f62846e3834db4935168b01983a8abfcaa232486f21afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fca6be72afb8f49a4f62846e3834db4935168b01983a8abfcaa232486f21afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fca6be72afb8f49a4f62846e3834db4935168b01983a8abfcaa232486f21afa", kill_on_drop: false }`
[INFO] [stdout] 5fca6be72afb8f49a4f62846e3834db4935168b01983a8abfcaa232486f21afa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2c3d5fc45aaf99aecd961b0b66d94ec831b2946b61a43adfde16e02f0ff5dbb
[INFO] running `Command { std: "docker" "start" "-a" "d2c3d5fc45aaf99aecd961b0b66d94ec831b2946b61a43adfde16e02f0ff5dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
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[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
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[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.17
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[INFO] [stderr]     Checking tinyvec_macros v0.1.0
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[INFO] [stderr]     Checking tower-service v0.3.1
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[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking which v4.2.2
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[INFO] [stderr]     Checking semver-parser v0.10.2
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[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking llvmenv v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `stdout` is never read
[INFO] [stdout]   --> src/error.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         stdout: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stderr` is never read
[INFO] [stdout]   --> src/error.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         stderr: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stdout` is never read
[INFO] [stdout]   --> src/error.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         stdout: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stderr` is never read
[INFO] [stdout]   --> src/error.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         stderr: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stdout` is never read
[INFO] [stdout]   --> src/error.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         stdout: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stderr` is never read
[INFO] [stdout]   --> src/error.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         stderr: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stdout` is never read
[INFO] [stdout]   --> src/error.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         stdout: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stderr` is never read
[INFO] [stdout]   --> src/error.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         stderr: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d2c3d5fc45aaf99aecd961b0b66d94ec831b2946b61a43adfde16e02f0ff5dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2c3d5fc45aaf99aecd961b0b66d94ec831b2946b61a43adfde16e02f0ff5dbb", kill_on_drop: false }`
[INFO] [stdout] d2c3d5fc45aaf99aecd961b0b66d94ec831b2946b61a43adfde16e02f0ff5dbb