[INFO] fetching crate ktool 0.1.0...
[INFO] checking ktool-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate ktool 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ktool 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ktool 0.1.0
[INFO] finished tweaking crates.io crate ktool 0.1.0
[INFO] tweaked toml for crates.io crate ktool 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ktool 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] 6f1861bf53bb2a1c294cb55dd68451511bb00718588061f8e611556299f748d1
[INFO] running `Command { std: "docker" "start" "-a" "6f1861bf53bb2a1c294cb55dd68451511bb00718588061f8e611556299f748d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f1861bf53bb2a1c294cb55dd68451511bb00718588061f8e611556299f748d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f1861bf53bb2a1c294cb55dd68451511bb00718588061f8e611556299f748d1", kill_on_drop: false }`
[INFO] [stdout] 6f1861bf53bb2a1c294cb55dd68451511bb00718588061f8e611556299f748d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0571c14db55f495bbbedc39939f204e30fbff670436e1f8be8ab72fd8a48d48e
[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" "0571c14db55f495bbbedc39939f204e30fbff670436e1f8be8ab72fd8a48d48e", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling curl v0.4.26
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking json v0.12.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling curl-sys v0.4.27
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking des v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking shell_command v0.1.0
[INFO] [stderr]     Checking ktool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `GLIVE_EXEC` not defined
[INFO] [stdout]   --> src/request.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     run_shell_command(env!("GLIVE_EXEC")).unwrap()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ktool`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: environment variable `GLIVE_EXEC` not defined
[INFO] [stdout]   --> src/request.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     run_shell_command(env!("GLIVE_EXEC")).unwrap()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0571c14db55f495bbbedc39939f204e30fbff670436e1f8be8ab72fd8a48d48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0571c14db55f495bbbedc39939f204e30fbff670436e1f8be8ab72fd8a48d48e", kill_on_drop: false }`
[INFO] [stdout] 0571c14db55f495bbbedc39939f204e30fbff670436e1f8be8ab72fd8a48d48e