[INFO] cloning repository https://github.com/dhilst/rustnotes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhilst/rustnotes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhilst%2Frustnotes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhilst%2Frustnotes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bac1d07276b75cb30f78120af75d10fcaf77a72
[INFO] checking dhilst/rustnotes against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhilst%2Frustnotes" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dhilst/rustnotes
[INFO] finished tweaking git repo https://github.com/dhilst/rustnotes
[INFO] tweaked toml for git repo https://github.com/dhilst/rustnotes written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dhilst/rustnotes on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dhilst/rustnotes 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 349c8bf59322c17686098146bc3df1006c8fa31ee7a813e64aa66cf9f75d9582
[INFO] running `Command { std: "docker" "start" "-a" "349c8bf59322c17686098146bc3df1006c8fa31ee7a813e64aa66cf9f75d9582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "349c8bf59322c17686098146bc3df1006c8fa31ee7a813e64aa66cf9f75d9582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349c8bf59322c17686098146bc3df1006c8fa31ee7a813e64aa66cf9f75d9582", kill_on_drop: false }`
[INFO] [stdout] 349c8bf59322c17686098146bc3df1006c8fa31ee7a813e64aa66cf9f75d9582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed8dbabe0e41e6ce8efcdea4f01be16fb221f4deb715d458ff045d91605fb693
[INFO] running `Command { std: "docker" "start" "-a" "ed8dbabe0e41e6ce8efcdea4f01be16fb221f4deb715d458ff045d91605fb693", kill_on_drop: false }`
[INFO] [stderr]     Checking book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime may not live long enough
[INFO] [stdout]   --> src/lifetimes.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn foo2<'a, 'b: 'a>(a: &'a i32, b: &'b i32) {
[INFO] [stdout]    |         --  -- lifetime `'b` defined here
[INFO] [stdout]    |         |
[INFO] [stdout]    |         lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 18 |         foo2::<'b, 'a>(b, a); // 2) lifetime may not live long enough consider adding the following bound: `'a: 'b`
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ requires that `'a` must outlive `'b`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding the following bound: `'a: 'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime may not live long enough
[INFO] [stdout]   --> src/lifetimes.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn tar<'a, 'b>(_x: &'a i32, _y: &'b i32) 
[INFO] [stdout]    |        --  -- lifetime `'b` defined here
[INFO] [stdout]    |        |
[INFO] [stdout]    |        lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 43 |     let _a: &'a i32 = _y; // uncomment the where to fix
[INFO] [stdout]    |             ^^^^^^^ type annotation requires that `'b` must outlive `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding the following bound: `'b: 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime may not live long enough
[INFO] [stdout]   --> src/lifetimes.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn foo2<'a, 'b: 'a>(a: &'a i32, b: &'b i32) {
[INFO] [stdout]    |         --  -- lifetime `'b` defined here
[INFO] [stdout]    |         |
[INFO] [stdout]    |         lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 18 |         foo2::<'b, 'a>(b, a); // 2) lifetime may not live long enough consider adding the following bound: `'a: 'b`
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ requires that `'a` must outlive `'b`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding the following bound: `'a: 'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime may not live long enough
[INFO] [stdout]   --> src/lifetimes.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn tar<'a, 'b>(_x: &'a i32, _y: &'b i32) 
[INFO] [stdout]    |        --  -- lifetime `'b` defined here
[INFO] [stdout]    |        |
[INFO] [stdout]    |        lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 43 |     let _a: &'a i32 = _y; // uncomment the where to fix
[INFO] [stdout]    |             ^^^^^^^ type annotation requires that `'b` must outlive `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding the following bound: `'b: 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `book` (bin "book") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `book` (bin "book" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ed8dbabe0e41e6ce8efcdea4f01be16fb221f4deb715d458ff045d91605fb693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8dbabe0e41e6ce8efcdea4f01be16fb221f4deb715d458ff045d91605fb693", kill_on_drop: false }`
[INFO] [stdout] ed8dbabe0e41e6ce8efcdea4f01be16fb221f4deb715d458ff045d91605fb693