[INFO] cloning repository https://github.com/orf/rust-book-demo-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/orf/rust-book-demo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forf%2Frust-book-demo-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forf%2Frust-book-demo-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15462ccd1dd1b531a088d90563ebf5566f953062
[INFO] checking orf/rust-book-demo-server against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forf%2Frust-book-demo-server" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/orf/rust-book-demo-server on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/orf/rust-book-demo-server
[INFO] finished tweaking git repo https://github.com/orf/rust-book-demo-server
[INFO] tweaked toml for git repo https://github.com/orf/rust-book-demo-server written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/orf/rust-book-demo-server 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.1.0
[INFO] [stderr]   Downloaded num_cpus v1.9.0
[INFO] [stderr]   Downloaded rand_xorshift v0.1.0
[INFO] [stderr]   Downloaded smallvec v0.6.7
[INFO] [stderr]   Downloaded rand_pcg v0.1.1
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.3
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.0
[INFO] [stderr]   Downloaded parking_lot v0.7.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.4
[INFO] [stderr]   Downloaded rand v0.6.1
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36c72b58013515412ded10af491a9b787caaa2cd043fd1d18e1aa226923a651e
[INFO] running `Command { std: "docker" "start" "-a" "36c72b58013515412ded10af491a9b787caaa2cd043fd1d18e1aa226923a651e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36c72b58013515412ded10af491a9b787caaa2cd043fd1d18e1aa226923a651e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c72b58013515412ded10af491a9b787caaa2cd043fd1d18e1aa226923a651e", kill_on_drop: false }`
[INFO] [stdout] 36c72b58013515412ded10af491a9b787caaa2cd043fd1d18e1aa226923a651e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a6cc38bb7e59b7af7c7a6180cffd20ecb0b783ede3f6caa6d5ed4c91f25c592
[INFO] running `Command { std: "docker" "start" "-a" "6a6cc38bb7e59b7af7c7a6180cffd20ecb0b783ede3f6caa6d5ed4c91f25c592", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.4
[INFO] [stderr]     Checking rust-web-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `execute` found for enum `Result` in the current scope
[INFO] [stdout]   --> src/bin/main.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pool.execute(|| {
[INFO] [stdout]    |         -----^^^^^^^ method not found in `Result<ThreadPool, PoolCreationError>`
[INFO] [stdout]    |
[INFO] [stdout] note: the method `execute` exists on the type `ThreadPool`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     pub fn execute<F>(&self, f: F)
[INFO] [stdout] 85 | |         where F: FnOnce() + Send + 'static
[INFO] [stdout]    | |__________________________________________^
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `ThreadPool` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pool.expect("REASON").execute(|| {
[INFO] [stdout]    |             +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `execute` found for enum `Result` in the current scope
[INFO] [stdout]   --> src/bin/main.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pool.execute(|| {
[INFO] [stdout]    |         -----^^^^^^^ method not found in `Result<ThreadPool, PoolCreationError>`
[INFO] [stdout]    |
[INFO] [stdout] note: the method `execute` exists on the type `ThreadPool`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     pub fn execute<F>(&self, f: F)
[INFO] [stdout] 85 | |         where F: FnOnce() + Send + 'static
[INFO] [stdout]    | |__________________________________________^
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `ThreadPool` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pool.expect("REASON").execute(|| {
[INFO] [stdout]    |             +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-web-server` (bin "main" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-web-server` (bin "main") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6a6cc38bb7e59b7af7c7a6180cffd20ecb0b783ede3f6caa6d5ed4c91f25c592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6cc38bb7e59b7af7c7a6180cffd20ecb0b783ede3f6caa6d5ed4c91f25c592", kill_on_drop: false }`
[INFO] [stdout] 6a6cc38bb7e59b7af7c7a6180cffd20ecb0b783ede3f6caa6d5ed4c91f25c592