[INFO] cloning repository https://github.com/tyrchen/rust-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyrchen/rust-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyrchen%2Frust-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyrchen%2Frust-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3014340a0f6da8d60e6a2f5912a5ae1af466c830
[INFO] testing tyrchen/rust-training against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyrchen%2Frust-training" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyrchen/rust-training on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tyrchen/rust-training
[INFO] finished tweaking git repo https://github.com/tyrchen/rust-training
[INFO] tweaked toml for git repo https://github.com/tyrchen/rust-training written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/tyrchen/rust-training already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47f259d59b5963be6d4f9c802371aae60b9d46a8d1a58a70deb74ed92ebc97d0
[INFO] running `Command { std: "docker" "start" "-a" "47f259d59b5963be6d4f9c802371aae60b9d46a8d1a58a70deb74ed92ebc97d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47f259d59b5963be6d4f9c802371aae60b9d46a8d1a58a70deb74ed92ebc97d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f259d59b5963be6d4f9c802371aae60b9d46a8d1a58a70deb74ed92ebc97d0", kill_on_drop: false }`
[INFO] [stdout] 47f259d59b5963be6d4f9c802371aae60b9d46a8d1a58a70deb74ed92ebc97d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 704bcd1d82c57d53b0380b3304f4ebabcf869f9a6950c213841f9543052e7139
[INFO] running `Command { std: "docker" "start" "-a" "704bcd1d82c57d53b0380b3304f4ebabcf869f9a6950c213841f9543052e7139", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling cpufeatures v0.1.4
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir/live_coding/hello_world)
[INFO] [stderr]    Compiling gp v0.1.0 (/opt/rustwide/workdir/code/gp)
[INFO] [stderr]    Compiling simple_asm v0.1.0 (/opt/rustwide/workdir/code/simple_asm)
[INFO] [stderr]    Compiling strtok v0.1.0 (/opt/rustwide/workdir/code/strtok)
[INFO] [stderr]    Compiling lifetime v0.1.0 (/opt/rustwide/workdir/code/lifetime)
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stdout] warning: unused variable: `authenticated`
[INFO] [stdout]  --> live_coding/hello_world/src/value_tour.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let authenticated = true;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authenticated`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total` is assigned to, but never used
[INFO] [stdout]   --> live_coding/hello_world/src/value_tour.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut total = 0usize;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_total` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total` is never read
[INFO] [stdout]   --> live_coding/hello_world/src/value_tour.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     total += 1;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_map`
[INFO] [stdout]   --> live_coding/hello_world/src/value_tour.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let my_map = &mut map;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]   --> live_coding/hello_world/src/value_tour.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn print_map(map: &HashMap<String, String>) {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]   --> live_coding/hello_world/src/value_tour.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn insert_map(map: &mut HashMap<String, String>) {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `data`
[INFO] [stdout]   --> live_coding/hello_world/src/value_tour.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut data = vec![1, 2, 3];
[INFO] [stdout]    |         -------- move occurs because `data` has type `Vec<i32>`, which does not implement the `Copy` trait
[INFO] [stdout] 30 | 
[INFO] [stdout] 31 |     thread::spawn(move || {
[INFO] [stdout]    |                   ------- value moved into closure here
[INFO] [stdout] 32 |         data.push(5);
[INFO] [stdout]    |         ---- variable moved due to use in closure
[INFO] [stdout] ...
[INFO] [stdout] 35 |     data.push(4);
[INFO] [stdout]    |     ^^^^ value borrowed here after move
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_world`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> code/lifetime/src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(name: &'a str, age: u8) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "704bcd1d82c57d53b0380b3304f4ebabcf869f9a6950c213841f9543052e7139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "704bcd1d82c57d53b0380b3304f4ebabcf869f9a6950c213841f9543052e7139", kill_on_drop: false }`
[INFO] [stdout] 704bcd1d82c57d53b0380b3304f4ebabcf869f9a6950c213841f9543052e7139