[INFO] cloning repository https://github.com/vhuynhle/atomics-locks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vhuynhle/atomics-locks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvhuynhle%2Fatomics-locks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvhuynhle%2Fatomics-locks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a7a05bd0b1099112712e4e056856c3354f90fbc
[INFO] checking vhuynhle/atomics-locks against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvhuynhle%2Fatomics-locks" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vhuynhle/atomics-locks on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vhuynhle/atomics-locks
[INFO] finished tweaking git repo https://github.com/vhuynhle/atomics-locks
[INFO] tweaked toml for git repo https://github.com/vhuynhle/atomics-locks written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vhuynhle/atomics-locks 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d09c8a5869638986f7b8ca25f21fff5b6eccee5df64eb89af2f5717ac5861665
[INFO] running `Command { std: "docker" "start" "-a" "d09c8a5869638986f7b8ca25f21fff5b6eccee5df64eb89af2f5717ac5861665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d09c8a5869638986f7b8ca25f21fff5b6eccee5df64eb89af2f5717ac5861665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09c8a5869638986f7b8ca25f21fff5b6eccee5df64eb89af2f5717ac5861665", kill_on_drop: false }`
[INFO] [stdout] d09c8a5869638986f7b8ca25f21fff5b6eccee5df64eb89af2f5717ac5861665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffd43f119c303bbe1cb54d91750a93d5dc5e952f549b27bf38aa9252c157aa9c
[INFO] running `Command { std: "docker" "start" "-a" "ffd43f119c303bbe1cb54d91750a93d5dc5e952f549b27bf38aa9252c157aa9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking ch05 v0.1.0 (/opt/rustwide/workdir/ch05)
[INFO] [stderr]     Checking ch07 v0.1.0 (/opt/rustwide/workdir/ch07)
[INFO] [stderr]     Checking ch03 v0.1.0 (/opt/rustwide/workdir/ch03)
[INFO] [stderr]     Checking ch01 v0.1.0 (/opt/rustwide/workdir/ch01)
[INFO] [stderr]     Checking ch06 v0.1.0 (/opt/rustwide/workdir/ch06)
[INFO] [stdout] warning: the item `thread` is imported redundantly
[INFO] [stdout]   --> ch05/src/blocking_channel.rs:97:15
[INFO] [stdout]    |
[INFO] [stdout] 96 |     use super::*;
[INFO] [stdout]    |         -------- the item `thread` is already imported here
[INFO] [stdout] 97 |     use std::{thread, time::Duration};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking atomic-wait v1.1.0
[INFO] [stderr]     Checking ch08 v0.1.0 (/opt/rustwide/workdir/ch08)
[INFO] [stderr]     Checking ch09 v0.1.0 (/opt/rustwide/workdir/ch09)
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ch02 v0.1.0 (/opt/rustwide/workdir/ch02)
[INFO] [stderr]     Checking ch04 v0.1.0 (/opt/rustwide/workdir/ch04)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "ffd43f119c303bbe1cb54d91750a93d5dc5e952f549b27bf38aa9252c157aa9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd43f119c303bbe1cb54d91750a93d5dc5e952f549b27bf38aa9252c157aa9c", kill_on_drop: false }`
[INFO] [stdout] ffd43f119c303bbe1cb54d91750a93d5dc5e952f549b27bf38aa9252c157aa9c
[INFO] checking vhuynhle/atomics-locks against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvhuynhle%2Fatomics-locks" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vhuynhle/atomics-locks on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vhuynhle/atomics-locks
[INFO] finished tweaking git repo https://github.com/vhuynhle/atomics-locks
[INFO] tweaked toml for git repo https://github.com/vhuynhle/atomics-locks written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vhuynhle/atomics-locks 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99639981202ae94165b9db007efa5f88844cb4b252c08b7ae234d4e19a8e00ec
[INFO] running `Command { std: "docker" "start" "-a" "99639981202ae94165b9db007efa5f88844cb4b252c08b7ae234d4e19a8e00ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99639981202ae94165b9db007efa5f88844cb4b252c08b7ae234d4e19a8e00ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99639981202ae94165b9db007efa5f88844cb4b252c08b7ae234d4e19a8e00ec", kill_on_drop: false }`
[INFO] [stdout] 99639981202ae94165b9db007efa5f88844cb4b252c08b7ae234d4e19a8e00ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4340968341d0ab651d7831d6c8009c89ae69493b5c3c00ce91f47c6d0e618557
[INFO] running `Command { std: "docker" "start" "-a" "4340968341d0ab651d7831d6c8009c89ae69493b5c3c00ce91f47c6d0e618557", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking ch05 v0.1.0 (/opt/rustwide/workdir/ch05)
[INFO] [stderr]     Checking ch07 v0.1.0 (/opt/rustwide/workdir/ch07)
[INFO] [stderr]     Checking ch01 v0.1.0 (/opt/rustwide/workdir/ch01)
[INFO] [stderr]     Checking ch03 v0.1.0 (/opt/rustwide/workdir/ch03)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> ch07/src/bin/measure_no_false_sharing.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |     thread::spawn(|| loop {
[INFO] [stdout]    |                   ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `spawn`
[INFO] [stdout]   --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 19 ~     thread::spawn(|| -> /* Type */ { loop {
[INFO] [stdout] 20 |         A[0].0.store(0, Ordering::Relaxed);
[INFO] [stdout] 21 |         A[2].0.store(0, Ordering::Relaxed);
[INFO] [stdout] 22 ~     } });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ch06 v0.1.0 (/opt/rustwide/workdir/ch06)
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ch07` (bin "measure_no_false_sharing") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> ch07/src/bin/measure_bg_thread.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     thread::spawn(|| loop {
[INFO] [stdout]    |                   ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `spawn`
[INFO] [stdout]   --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 12 ~     thread::spawn(|| -> /* Type */ { loop {
[INFO] [stdout] 13 |         black_box(A.load(Ordering::Relaxed));
[INFO] [stdout] 14 ~     } });
[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 E0283`.
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed for `ScopedJoinHandle<'_, T>`
[INFO] [stdout]  --> ch01/src/bin/07-thread-parking.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let t = s.spawn(|| loop {
[INFO] [stdout]   |             ^     ----- type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout]   = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `Scope::<'scope, 'env>::spawn`
[INFO] [stdout]  --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/scoped.rs:189:5
[INFO] [stdout] help: consider giving `t` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let t: ScopedJoinHandle<'_, T> = s.spawn(|| loop {
[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 E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ch07` (bin "measure_bg_thread" test) due to 2 previous errors
[INFO] [stderr] error: could not compile `ch01` (bin "07-thread-parking" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4340968341d0ab651d7831d6c8009c89ae69493b5c3c00ce91f47c6d0e618557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4340968341d0ab651d7831d6c8009c89ae69493b5c3c00ce91f47c6d0e618557", kill_on_drop: false }`
[INFO] [stdout] 4340968341d0ab651d7831d6c8009c89ae69493b5c3c00ce91f47c6d0e618557