[INFO] cloning repository https://github.com/willglynn/pdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willglynn/pdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillglynn%2Fpdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillglynn%2Fpdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 547e825dc08fd4fbb883917d3466b0fb4b3560e9
[INFO] checking willglynn/pdb against master#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillglynn%2Fpdb" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/willglynn/pdb on toolchain 2e5723137b2b88368d018b262a0a823a1423131b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/willglynn/pdb
[INFO] finished tweaking git repo https://github.com/willglynn/pdb
[INFO] tweaked toml for git repo https://github.com/willglynn/pdb written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/willglynn/pdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "fetch" "--locked" "--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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ead93908abe413182ac555dd2ad72f240ed30e1da353ffb9b726ed15a81b8f3e
[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" "ead93908abe413182ac555dd2ad72f240ed30e1da353ffb9b726ed15a81b8f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ead93908abe413182ac555dd2ad72f240ed30e1da353ffb9b726ed15a81b8f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead93908abe413182ac555dd2ad72f240ed30e1da353ffb9b726ed15a81b8f3e", kill_on_drop: false }`
[INFO] [stdout] ead93908abe413182ac555dd2ad72f240ed30e1da353ffb9b726ed15a81b8f3e
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "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] 63c0b84c87e362fe174c0d815e8cd8fe2b6382bcd4d2fa0b2c6d583379eebe0a
[INFO] running `Command { std: "docker" "start" "-a" "63c0b84c87e362fe174c0d815e8cd8fe2b6382bcd4d2fa0b2c6d583379eebe0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling openssl v0.10.18
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking encoding_rs v0.8.17
[INFO] [stderr]     Checking libflate v0.1.20
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking pdb v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling openssl-sys v0.9.41
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stdout] warning: bounds on `Self: Drop` are useless, consider instead using `std::mem::needs_drop` to detect if a type has a destructor
[INFO] [stdout]   --> src/source.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub trait SourceView<'s>: Drop + fmt::Debug {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking hyper v0.12.24
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.10
[INFO] [stdout] warning: bounds on `Self: Drop` are useless, consider instead using `std::mem::needs_drop` to detect if a type has a destructor
[INFO] [stdout]   --> src/source.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub trait SourceView<'s>: Drop + fmt::Debug {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.13s
[INFO] running `Command { std: "docker" "inspect" "63c0b84c87e362fe174c0d815e8cd8fe2b6382bcd4d2fa0b2c6d583379eebe0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c0b84c87e362fe174c0d815e8cd8fe2b6382bcd4d2fa0b2c6d583379eebe0a", kill_on_drop: false }`
[INFO] [stdout] 63c0b84c87e362fe174c0d815e8cd8fe2b6382bcd4d2fa0b2c6d583379eebe0a