[INFO] cloning repository https://github.com/mexus/memory-watcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mexus/memory-watcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fmemory-watcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fmemory-watcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfc1c84b1cc25a296ce1d17e58ff274b51a1596f
[INFO] checking mexus/memory-watcher against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fmemory-watcher" "/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/mexus/memory-watcher on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mexus/memory-watcher
[INFO] finished tweaking git repo https://github.com/mexus/memory-watcher
[INFO] tweaked toml for git repo https://github.com/mexus/memory-watcher written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mexus/memory-watcher 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-id v4.0.0
[INFO] [stderr]   Downloaded io-lifetimes v0.7.3
[INFO] [stderr]   Downloaded clap_lex v0.2.4
[INFO] [stderr]   Downloaded thiserror v1.0.35
[INFO] [stderr]   Downloaded clap_derive v3.2.18
[INFO] [stderr]   Downloaded os_str_bytes v6.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.65
[INFO] [stderr]   Downloaded textwrap v0.15.1
[INFO] [stderr]   Downloaded clap v3.2.22
[INFO] [stderr]   Downloaded chrono v0.4.22
[INFO] [stderr]   Downloaded rustix v0.35.9
[INFO] [stderr]   Downloaded bumpalo v3.11.0
[INFO] [stderr]   Downloaded procfs v0.14.1
[INFO] [stderr]   Downloaded snafu v0.7.1
[INFO] [stderr]   Downloaded arc-swap v1.5.1
[INFO] [stderr]   Downloaded iana-time-zone v0.1.48
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[INFO] [stderr]   Downloaded thiserror-impl v1.0.35
[INFO] [stderr]   Downloaded log4rs v1.1.1
[INFO] [stderr]   Downloaded snafu-derive v0.7.1
[INFO] [stderr]   Downloaded display-error-chain v0.1.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aabe8ab8d3f3813ea153544f6accf49156ea3c6cdc5d2adba139be90f8f0ac0
[INFO] running `Command { std: "docker" "start" "-a" "8aabe8ab8d3f3813ea153544f6accf49156ea3c6cdc5d2adba139be90f8f0ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aabe8ab8d3f3813ea153544f6accf49156ea3c6cdc5d2adba139be90f8f0ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aabe8ab8d3f3813ea153544f6accf49156ea3c6cdc5d2adba139be90f8f0ac0", kill_on_drop: false }`
[INFO] [stdout] 8aabe8ab8d3f3813ea153544f6accf49156ea3c6cdc5d2adba139be90f8f0ac0
[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=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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7adf5ad9d861a2add1c1bd8c7cf3001b3a09e73cf1527a516183877650e80128
[INFO] running `Command { std: "docker" "start" "-a" "7adf5ad9d861a2add1c1bd8c7cf3001b3a09e73cf1527a516183877650e80128", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling io-lifetimes v0.7.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling rustix v0.35.9
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]    Compiling procfs v0.14.1
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking linux-raw-sys v0.0.46
[INFO] [stderr]     Checking iana-time-zone v0.1.48
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking arc-swap v1.5.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking display-error-chain v0.1.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking thread-id v4.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling snafu-derive v0.7.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking snafu v0.7.1
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking log4rs v1.1.1
[INFO] [stderr]     Checking memory-watcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/process_utils.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use libc::{self, c_int, pid_t};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/process_utils.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use libc::{self, c_int, pid_t};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.95s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "7adf5ad9d861a2add1c1bd8c7cf3001b3a09e73cf1527a516183877650e80128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adf5ad9d861a2add1c1bd8c7cf3001b3a09e73cf1527a516183877650e80128", kill_on_drop: false }`
[INFO] [stdout] 7adf5ad9d861a2add1c1bd8c7cf3001b3a09e73cf1527a516183877650e80128