[INFO] fetching crate silly-wat-linker 0.3.0...
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] crate silly-wat-linker 0.3.0 is already in cache
[INFO] checking silly-wat-linker-0.3.0 against master#ea6ab1bd845790fb31ba790d2c7aec898f89fe62 for pr-99880
[INFO] extracting crate silly-wat-linker 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate silly-wat-linker 0.3.0 on toolchain ea6ab1bd845790fb31ba790d2c7aec898f89fe62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silly-wat-linker 0.3.0
[INFO] finished tweaking crates.io crate silly-wat-linker 0.3.0
[INFO] tweaked toml for crates.io crate silly-wat-linker 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate silly-wat-linker 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc5c7aeeebbe407089214ea1b7f31b0df66c4bc4323355af7ff26b3792d8c98f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc5c7aeeebbe407089214ea1b7f31b0df66c4bc4323355af7ff26b3792d8c98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc5c7aeeebbe407089214ea1b7f31b0df66c4bc4323355af7ff26b3792d8c98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5c7aeeebbe407089214ea1b7f31b0df66c4bc4323355af7ff26b3792d8c98f", kill_on_drop: false }`
[INFO] [stdout] fc5c7aeeebbe407089214ea1b7f31b0df66c4bc4323355af7ff26b3792d8c98f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96bc0c656a82dac964d06ad9506612d05b2fdaca49eb85d5c0173ab49b0c0965
[INFO] running `Command { std: "docker" "start" "-a" "96bc0c656a82dac964d06ad9506612d05b2fdaca49eb85d5c0173ab49b0c0965", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking clap v3.2.14
[INFO] [stderr]     Checking silly-wat-linker v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `level` is never read
[INFO] [stdout]   --> src/pretty.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     level -= 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: value assigned to `level` is never read
[INFO] [stdout]   --> src/pretty.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     level -= 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: associated function `walk_mut` is never used
[INFO] [stdout]   --> src/ast.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn walk_mut(&mut self, visitor: &mut impl Visitor) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_eof` is never used
[INFO] [stdout]    --> src/parser.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn is_eof(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `walk_mut` is never used
[INFO] [stdout]   --> src/ast.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn walk_mut(&mut self, visitor: &mut impl Visitor) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_eof` is never used
[INFO] [stdout]    --> src/parser.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn is_eof(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.38s
[INFO] running `Command { std: "docker" "inspect" "96bc0c656a82dac964d06ad9506612d05b2fdaca49eb85d5c0173ab49b0c0965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96bc0c656a82dac964d06ad9506612d05b2fdaca49eb85d5c0173ab49b0c0965", kill_on_drop: false }`
[INFO] [stdout] 96bc0c656a82dac964d06ad9506612d05b2fdaca49eb85d5c0173ab49b0c0965