[INFO] cloning repository https://github.com/andrewclarkson/yaml.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewclarkson/yaml.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewclarkson%2Fyaml.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewclarkson%2Fyaml.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cebc724c305af47b3abff75202f0055163bfb4e
[INFO] building andrewclarkson/yaml.rs against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewclarkson%2Fyaml.rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewclarkson/yaml.rs on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewclarkson/yaml.rs
[INFO] finished tweaking git repo https://github.com/andrewclarkson/yaml.rs
[INFO] tweaked toml for git repo https://github.com/andrewclarkson/yaml.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewclarkson/yaml.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db417b6abbc43f07026254b6c3002f0b9121a3be4ce5d291e407f5676c70a2b6
[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" "db417b6abbc43f07026254b6c3002f0b9121a3be4ce5d291e407f5676c70a2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db417b6abbc43f07026254b6c3002f0b9121a3be4ce5d291e407f5676c70a2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db417b6abbc43f07026254b6c3002f0b9121a3be4ce5d291e407f5676c70a2b6", kill_on_drop: false }`
[INFO] [stdout] db417b6abbc43f07026254b6c3002f0b9121a3be4ce5d291e407f5676c70a2b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c945edee950f2cfc8b86f18d4580437c4c005cb279fa3f02a47a99fb74910f2b
[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" "c945edee950f2cfc8b86f18d4580437c4c005cb279fa3f02a47a99fb74910f2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `std::io::IoResult`, `std::io::MemReader`
[INFO] [stdout]   --> src/lib.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{IoResult, MemReader};
[INFO] [stdout]    |               ^^^^^^^^  ^^^^^^^^^ no `MemReader` in `io`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               no `IoResult` in `io`
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{Result, MemReader};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{IoResult, BufReader};
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::MemReader`
[INFO] [stdout]    --> src/lib.rs:421:9
[INFO] [stdout]     |
[INFO] [stdout] 421 |     use std::io::MemReader;
[INFO] [stdout]     |         ^^^^^^^^^---------
[INFO] [stdout]     |         |        |
[INFO] [stdout]     |         |        help: a similar name exists in the module: `BufReader`
[INFO] [stdout]     |         no `MemReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Reader` in this scope
[INFO] [stdout]   --> src/lib.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Tokenizer<'a> {
[INFO] [stdout]    |                        - help: you might be missing a type parameter: `, Reader`
[INFO] [stdout] 20 |     reader: Box<Reader + 'a>,
[INFO] [stdout]    |                 ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Reader` in this scope
[INFO] [stdout]   --> src/lib.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new<T: Reader + 'a>(reader: Box<T>) -> Tokenizer<'a> {
[INFO] [stdout]    |                   ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |     reader: Box<Reader + 'a>,
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn Reader + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 |         if(self.stack.len() == 0) {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:199:25
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     '0' ... '9' => {
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:227:24
[INFO] [stdout]     |
[INFO] [stdout] 227 |                     'A'...'Z'|'a'...'z'|'0'...'9'|'-'|'_' => {
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:227:34
[INFO] [stdout]     |
[INFO] [stdout] 227 |                     'A'...'Z'|'a'...'z'|'0'...'9'|'-'|'_' => {
[INFO] [stdout]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:227:44
[INFO] [stdout]     |
[INFO] [stdout] 227 |                     'A'...'Z'|'a'...'z'|'0'...'9'|'-'|'_' => {
[INFO] [stdout]     |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:253:24
[INFO] [stdout]     |
[INFO] [stdout] 253 |                     'A'...'Z'|'a'...'z'|'0'...'9' => {
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:253:34
[INFO] [stdout]     |
[INFO] [stdout] 253 |                     'A'...'Z'|'a'...'z'|'0'...'9' => {
[INFO] [stdout]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:253:44
[INFO] [stdout]     |
[INFO] [stdout] 253 |                     'A'...'Z'|'a'...'z'|'0'...'9' => {
[INFO] [stdout]     |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Token`, `Tokenizer`
[INFO] [stdout]    --> src/lib.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |     use super::{Tokenizer, Token};
[INFO] [stdout]     |                 ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Token::*`
[INFO] [stdout]    --> src/lib.rs:423:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |     use super::Token::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated attribute `crate_id`: no longer used.
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![crate_id="yaml"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yaml`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c945edee950f2cfc8b86f18d4580437c4c005cb279fa3f02a47a99fb74910f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c945edee950f2cfc8b86f18d4580437c4c005cb279fa3f02a47a99fb74910f2b", kill_on_drop: false }`
[INFO] [stdout] c945edee950f2cfc8b86f18d4580437c4c005cb279fa3f02a47a99fb74910f2b
