[INFO] fetching crate prctl 1.0.0...
[INFO] checking prctl-1.0.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate prctl 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate prctl 1.0.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prctl 1.0.0
[INFO] finished tweaking crates.io crate prctl 1.0.0
[INFO] tweaked toml for crates.io crate prctl 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a53175d5c2e42a210fc58eb0c2c49e5b2aaf23fd6a589f5420a7a67845337689
[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" "a53175d5c2e42a210fc58eb0c2c49e5b2aaf23fd6a589f5420a7a67845337689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a53175d5c2e42a210fc58eb0c2c49e5b2aaf23fd6a589f5420a7a67845337689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53175d5c2e42a210fc58eb0c2c49e5b2aaf23fd6a589f5420a7a67845337689", kill_on_drop: false }`
[INFO] [stdout] a53175d5c2e42a210fc58eb0c2c49e5b2aaf23fd6a589f5420a7a67845337689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e707a2113a739d3ad12717a61bd9e224d40430f71b3cd347f1c13859066b200d
[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" "e707a2113a739d3ad12717a61bd9e224d40430f71b3cd347f1c13859066b200d", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking prctl v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:261:15
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let res = try!(prctl_get_result(option));
[INFO] [stdout]     |               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:15
[INFO] [stdout]     |
[INFO] [stdout] 298 |     let res = try!(prctl_get_result(option));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:478:15
[INFO] [stdout]     |
[INFO] [stdout] 478 |     let res = try!(prctl_get_result(PrctlOption::PR_GET_SECUREBITS));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:493:15
[INFO] [stdout]     |
[INFO] [stdout] 493 |     let res = try!(prctl_get_result(PrctlOption::PR_GET_TIMERSLACK));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:261:15
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let res = try!(prctl_get_result(option));
[INFO] [stdout]     |               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:15
[INFO] [stdout]     |
[INFO] [stdout] 298 |     let res = try!(prctl_get_result(option));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:478:15
[INFO] [stdout]     |
[INFO] [stdout] 478 |     let res = try!(prctl_get_result(PrctlOption::PR_GET_SECUREBITS));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:493:15
[INFO] [stdout]     |
[INFO] [stdout] 493 |     let res = try!(prctl_get_result(PrctlOption::PR_GET_TIMERSLACK));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `Command { std: "docker" "inspect" "e707a2113a739d3ad12717a61bd9e224d40430f71b3cd347f1c13859066b200d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e707a2113a739d3ad12717a61bd9e224d40430f71b3cd347f1c13859066b200d", kill_on_drop: false }`
[INFO] [stdout] e707a2113a739d3ad12717a61bd9e224d40430f71b3cd347f1c13859066b200d