[INFO] cloning repository https://github.com/crepererum/peter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crepererum/peter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrepererum%2Fpeter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrepererum%2Fpeter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 645d49ff37ac0e3f35a12a0546f08e264f7a51df
[INFO] checking crepererum/peter against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrepererum%2Fpeter" "/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/crepererum/peter on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crepererum/peter
[INFO] finished tweaking git repo https://github.com/crepererum/peter
[INFO] tweaked toml for git repo https://github.com/crepererum/peter written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/crepererum/peter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca1579b6665b0f93438a73a7e8b0bdbf5186644194ef990ca844a0a624c65fc9
[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" "ca1579b6665b0f93438a73a7e8b0bdbf5186644194ef990ca844a0a624c65fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca1579b6665b0f93438a73a7e8b0bdbf5186644194ef990ca844a0a624c65fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1579b6665b0f93438a73a7e8b0bdbf5186644194ef990ca844a0a624c65fc9", kill_on_drop: false }`
[INFO] [stdout] ca1579b6665b0f93438a73a7e8b0bdbf5186644194ef990ca844a0a624c65fc9
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b54ac5fed03701304b7564f653fb04296a9fbbc690221edc54ee5c06b2b3836
[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" "2b54ac5fed03701304b7564f653fb04296a9fbbc690221edc54ee5c06b2b3836", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling subtle v0.6.3
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking smallvec v0.6.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling rand v0.5.0-pre.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking backtrace-sys v0.1.23
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling snow v0.2.1
[INFO] [stderr]     Checking regex v1.0.1
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling digest v0.7.4
[INFO] [stderr]    Compiling curve25519-dalek v0.17.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking x25519-dalek v0.2.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking quicli v0.3.0
[INFO] [stderr]     Checking peter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ioutils.rs:113:50
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn open_reader(fname: &String) -> Result<Box<Read>, Error> {
[INFO] [stdout]     |                                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ioutils.rs:123:50
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn open_writer(fname: &String) -> Result<Box<Write>, Error> {
[INFO] [stdout]     |                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ioutils.rs:113:50
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn open_reader(fname: &String) -> Result<Box<Read>, Error> {
[INFO] [stdout]     |                                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ioutils.rs:123:50
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn open_writer(fname: &String) -> Result<Box<Write>, Error> {
[INFO] [stdout]     |                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/core.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / lazy_static! {
[INFO] [stdout] 10 | |     static ref PARAMS: NoiseParams = "Noise_X_25519_ChaChaPoly_BLAKE2s".parse().unwrap();
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/core.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / lazy_static! {
[INFO] [stdout] 10 | |     static ref PARAMS: NoiseParams = "Noise_X_25519_ChaChaPoly_BLAKE2s".parse().unwrap();
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.13s
[INFO] running `Command { std: "docker" "inspect" "2b54ac5fed03701304b7564f653fb04296a9fbbc690221edc54ee5c06b2b3836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b54ac5fed03701304b7564f653fb04296a9fbbc690221edc54ee5c06b2b3836", kill_on_drop: false }`
[INFO] [stdout] 2b54ac5fed03701304b7564f653fb04296a9fbbc690221edc54ee5c06b2b3836