[INFO] fetching crate gothook 0.1.1...
[INFO] checking gothook-0.1.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate gothook 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gothook 0.1.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gothook 0.1.1
[INFO] finished tweaking crates.io crate gothook 0.1.1
[INFO] tweaked toml for crates.io crate gothook 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", 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] 32f5d5c5a5eb6f960b985f935de9f6680aaab28261b32e85900169bca2cc54f8
[INFO] running `Command { std: "docker" "start" "-a" "32f5d5c5a5eb6f960b985f935de9f6680aaab28261b32e85900169bca2cc54f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32f5d5c5a5eb6f960b985f935de9f6680aaab28261b32e85900169bca2cc54f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f5d5c5a5eb6f960b985f935de9f6680aaab28261b32e85900169bca2cc54f8", kill_on_drop: false }`
[INFO] [stdout] 32f5d5c5a5eb6f960b985f935de9f6680aaab28261b32e85900169bca2cc54f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f1058a22325090c019f8f94d0c7bb18bbd501fe1f21e87159f2eb4a16207abf
[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" "4f1058a22325090c019f8f94d0c7bb18bbd501fe1f21e87159f2eb4a16207abf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking goblin v0.3.4
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking gothook v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DT_LOOS`
[INFO] [stdout]  --> src/lib.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 |     elf::{dynamic::{Dynamic, DT_RELA, DT_LOOS}, sym::Symtab, Elf, ProgramHeader, RelocSection},
[INFO] [stdout]   |                                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DT_LOOS`
[INFO] [stdout]  --> src/lib.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 |     elf::{dynamic::{Dynamic, DT_RELA, DT_LOOS}, sym::Symtab, Elf, ProgramHeader, RelocSection},
[INFO] [stdout]   |                                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file_in_memory`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     file_in_memory: Box<&'a [u8]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file_in_memory`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     file_in_memory: Box<&'a [u8]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.83s
[INFO] running `Command { std: "docker" "inspect" "4f1058a22325090c019f8f94d0c7bb18bbd501fe1f21e87159f2eb4a16207abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1058a22325090c019f8f94d0c7bb18bbd501fe1f21e87159f2eb4a16207abf", kill_on_drop: false }`
[INFO] [stdout] 4f1058a22325090c019f8f94d0c7bb18bbd501fe1f21e87159f2eb4a16207abf