[INFO] fetching crate darkroom 0.3.2...
[INFO] checking darkroom-0.3.2 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate darkroom 0.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate darkroom 0.3.2 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate darkroom 0.3.2
[INFO] finished tweaking crates.io crate darkroom 0.3.2
[INFO] tweaked toml for crates.io crate darkroom 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate darkroom 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbd9be8b57df8105f8069fe52364d23d06764def3ea956e62c79786c08ec6ff7
[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" "cbd9be8b57df8105f8069fe52364d23d06764def3ea956e62c79786c08ec6ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbd9be8b57df8105f8069fe52364d23d06764def3ea956e62c79786c08ec6ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd9be8b57df8105f8069fe52364d23d06764def3ea956e62c79786c08ec6ff7", kill_on_drop: false }`
[INFO] [stdout] cbd9be8b57df8105f8069fe52364d23d06764def3ea956e62c79786c08ec6ff7
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 53dbc0ec4c001de5f703ecb218815097a2fdeb5bafc7f8d30d1bb5ff66de2d04
[INFO] running `Command { std: "docker" "start" "-a" "53dbc0ec4c001de5f703ecb218815097a2fdeb5bafc7f8d30d1bb5ff66de2d04", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking colored-diff v0.2.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling rstest v0.5.3
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking which v3.1.0
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking colored_json v2.1.0
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking jql v2.5.0
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking filmreel v0.3.1
[INFO] [stderr]     Checking darkroom v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `Command { std: "docker" "inspect" "53dbc0ec4c001de5f703ecb218815097a2fdeb5bafc7f8d30d1bb5ff66de2d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53dbc0ec4c001de5f703ecb218815097a2fdeb5bafc7f8d30d1bb5ff66de2d04", kill_on_drop: false }`
[INFO] [stdout] 53dbc0ec4c001de5f703ecb218815097a2fdeb5bafc7f8d30d1bb5ff66de2d04