[INFO] cloning repository https://github.com/skorobogatydmitry/rust-atomics-n-locks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skorobogatydmitry/rust-atomics-n-locks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskorobogatydmitry%2Frust-atomics-n-locks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskorobogatydmitry%2Frust-atomics-n-locks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e354044805b66d5bfce0d8962b778556b4179cbe
[INFO] checking skorobogatydmitry/rust-atomics-n-locks against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskorobogatydmitry%2Frust-atomics-n-locks" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skorobogatydmitry/rust-atomics-n-locks
[INFO] finished tweaking git repo https://github.com/skorobogatydmitry/rust-atomics-n-locks
[INFO] tweaked toml for git repo https://github.com/skorobogatydmitry/rust-atomics-n-locks written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skorobogatydmitry/rust-atomics-n-locks on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skorobogatydmitry/rust-atomics-n-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de55a0187570882638a2aa528b4b4cdd0948e9ccdf9f019dde5261674e99d521
[INFO] running `Command { std: "docker" "start" "-a" "de55a0187570882638a2aa528b4b4cdd0948e9ccdf9f019dde5261674e99d521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de55a0187570882638a2aa528b4b4cdd0948e9ccdf9f019dde5261674e99d521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de55a0187570882638a2aa528b4b4cdd0948e9ccdf9f019dde5261674e99d521", kill_on_drop: false }`
[INFO] [stdout] de55a0187570882638a2aa528b4b4cdd0948e9ccdf9f019dde5261674e99d521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41ebe17f2cf58b6444b043fb22570ff6053ec80086b8c305e06f7b514bca7337
[INFO] running `Command { std: "docker" "start" "-a" "41ebe17f2cf58b6444b043fb22570ff6053ec80086b8c305e06f7b514bca7337", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking atomic-wait v1.1.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]     Checking atomics-n-locks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `SafeInRuntimeChannelV2` is never constructed
[INFO] [stdout]    --> src/ch5_building_our_own_channels/mod.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct SafeInRuntimeChannelV2<Y> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Mutex` is never constructed
[INFO] [stdout]    --> src/ch8_operating_system_primitives/mod.rs:284:12
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub struct Mutex {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomics-n-locks` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `SafeInRuntimeChannelV2` is never constructed
[INFO] [stdout]    --> src/ch5_building_our_own_channels/mod.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct SafeInRuntimeChannelV2<Y> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Mutex` is never constructed
[INFO] [stdout]    --> src/ch8_operating_system_primitives/mod.rs:284:12
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub struct Mutex {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomics-n-locks` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "41ebe17f2cf58b6444b043fb22570ff6053ec80086b8c305e06f7b514bca7337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ebe17f2cf58b6444b043fb22570ff6053ec80086b8c305e06f7b514bca7337", kill_on_drop: false }`
[INFO] [stdout] 41ebe17f2cf58b6444b043fb22570ff6053ec80086b8c305e06f7b514bca7337
